Pioneer
THE ONLY THING IT HAS IN COMMON WITH OTHER 7-INCH TAPE DECKS IS THE SIZE OF ITS REELS.
THE RI-707
UNLIKE OTHER 7-INCH TAPE DECKS,
THIS ONE ISN'T FILLED WITH 15 YEAR-OLD IDEAS.
Now there's one 7-inch open reel tape deck with the kind of technology and features found in some of today's most sophisticated 10- inch tape decks. Pioneer's new RT-707.
In fact, the 707, when compared to other 7- inch tape decks, makes them look and sound 15 years old.
THE MOST ACCURATE DRIVE SYSTEM:
DIRECT-DRIVE.
The average 7- inch tape deck is equipped with an old fashioned, high speed drive system that works on belts or pulleys.
A system that generates excessive heat, wow and flutter and comes with its own nifty little "noisemaker": a fan. Not the RT-707. It's driven by a far more accurate and efficient AC Servo direct-drive motor. A motor that generates its own frequency to monitor and help correct variations in tape speed. Which results in incredibly little wow and flutter-0.05% (WRMS). In addition, the drive system of the RT-707 is unaffected by fluctuations in line voltage and won't deteriorate with age like belt-drive. And because it doesn't generate heat it doesn't need a fan. So what you'll hear is music with a clarity and crispness not possible on any 7-inch, or many 10-inch tape decks.
A FIRST FOR 7-INCH TAPE DECKS: PITCH CONTROL.
Thanks to this extraordinary direct-drive system, it's also made pitch control possible for the first time on any 7- inch tape deck.
Which means that you can regulate the speed of the tape, so your recordings will The extraordinary direct-drive system.
have perfect pitch even if they weren't originally recorded that way.
BEYOND THE RANGE OF MOST 7-INCH TAPE DECKS.
In the past, the most you'd expect from any 7- inch tape deck in terms of frequency response was respectability.
But Pioneer's engineers' have gone far beyond that. Our super sensitive tape heads, for instance, will pick up and deliver frequencies from 20 to 28,000 Hertz. The preamplifier, which is built around Pioneer designed integrated circuits, will handle up to 30 decibels more input than any other 7- inch tape deck without distorting. So you can capture all the depth and presence of each and every instrument without losing any part of the music.
--------Unlike others the RT 707 can be staked or rack mounted.
A WHOLE NEW WAY OF LOOKING AT TAPE DECKS.
Where most 7- inch tape decks are big and clumsy, new technology has helped us make the RT-707 smaller and more compact.
For example, between the take-up reels on the "dinosaurs" of the past, you'll find nothing but wasted space. On the RT707, however, you'll find this space occupied by a series of highly sensitive
controls plus two large VU meters. All of which helps reduce the dimensions considerably.
Of course, as you can see from the picture, the entire unit is rack mountable. But what you may not have noticed is that the RT707, unlike any other tape deck, is stackable. It's made to fit tight in with the rest of your components.
AUTO-REVERSE AND OTHER EXTRAS.
While many tape decks have auto-reverse, chances are you won't find it on other comparably priced 7- inch tape decks. You also won't find a repeat button that lets you listen to your tapes endlessly, or circuitry that allows you to hook the RT-707 up to a timer, so you can make recordings even when you can't be there to supervise them.
Obviously, these are only a few of the virtues of our new RT-707. But there are also things like a highly accessible tape head alignment that lets you adjust and dean the tape heads without removing the cover. Solenoid push-button controls that give you direct function switching, so you can go ,from one mode to another without damaging the rape. And a floating guide roller that helps decrease inter-modulation.
The point is, you'll see a lot of things on the RT-707, that you won't see on any other 7- inch tape deck.
But all this revolutionary thinking wouldn't mean much if the RT-707 were built to fit comfortably into your budge is. In fact, its price is comparable to any good" tape deck.
See your Pioneer dealer and get closer look at the most extraordinary 7- inch tape deck ever built.
We think you'll find the only things that the RT-707 has in common with other 7 inch tape decks is the size of the reels. And the size of the price.
WE BRING IT BACK ALIVE. High Fidelity Components
ESS
INTRODUCING THE LOUDSPEAKER OF THE FUTURE--THE FULL RANGE HEIL AIR-MOTION SOUND SYSTEM BY ESS.
Four years ago last March, ESS, a small California based corporation, electrified the high fidelity world by introducing the AMT-1, the first loudspeaker to incorporate the revolutionary Heil air-motion transformer as its midrange-tweeter..
Two thousand AMT-1's were sold in the first ten days; twenty thousand in the remaining nine months of 1973--more loudspeakers than any similarly priced loudspeaker in the history of the high fidelity industry.
Immediately, fierce controversy swirled around the new loudspeaker principle invented by and named after Dr. Oskar Heil, the musician and physicist who in 1934 invented the FET (field effect transistor). So advanced was that device that only now, long after the patent has expired, is it being used in state-of-the-art electronics. Even as a young man, Dr. Heil's profound insight into the laws of physics put him and his inventions far ahead of their time.
The Heil air-motion transformer, like all great break throughs, was not a mere improvement on conventional technology; it was the discovery of a better way. As such, it was as radical an improvement over conventional loudspeaker technology as the jet engine was over conventional propeller technology. And for the same reason. Like the propeller plane, conventional speakers have to move a solid object--a cone or dome--in order to move air. The Heil air-motion transformer, like the jet engine, moves air directly.
No increase in the number of propellers, no amount of research into the materials used in making propellers, no amount of altering the arrangement or placement of propellers, no amount of computer programming of propeller technology could alter the basic inferiority of propeller design.
Similarly, no amount of tinkering with the material, or number, or placement, or computer programming of conventional driver design alters the basic inferiority of conventional loudspeaker technology when compared to the Heil air-motion transformer.
The Heil, like the jet engine, moves air directly--but with one major difference: unlike all other speakers, instead of pushing air, the Heil air-motion transformer squeezes it. Dr. Heil has a simple experiment that dramatically illustrates the
superiority of the squeezing motion. Imagine trying to "shot put" or push a light object like a cherry pit with the palm of your hand (Figure 1). It won't travel very far or very fast. Now put the cherry pit between your thumb and forefinger and squeeze (Figure 2). The cherry pit squirts out at high velocity. The physics of the Heil air-motion transformer are as simple and brilliant as this illustration of the principle of leverage.
The Heil owes its great clarity and definition, superb dynamic range, crisp transients and remarkable dispersion--in sum, its audible superiority-to this increase in air motion velocity.
It is what ESS calls the "instant acceleration" E" of the Heil.
Just as power is critical to an amplifier, acceleration is critical to a loudspeaker. Thus, while all loudspeakers are "transducers", and therefore convert electrical energy into acoustic or sound energy, only the Heil is also a "transformer"-a loudspeaker that "transforms" or increases the velocity of the energy output 530 percent.
In its first year, the astounding breakthrough rep resented by the Heil air-motion transformer midrange-tweeter was obscured by arguments.
There are no arguments about the superiority of Transar/atd, the first full range Heil air-motion sound system to unite the Heil air-motion trans former with the new Heil low frequency driver. It is so clearly, audibly, a monumental achievement that Dr. Heil's genius is now firmly and forever enshrined in the annals of high fidelity history.
SHOWN BELOW: A close-up view of one of the five Lexan diaphragms specially designed for the new Heil low frequency driver.
The technical brilliance of Transar can be explicated at great length, but not in a few paragraphs.
We do, however, invite requests for ESS's theoretical monogram "Transar: A Study in Genius, A Study in Physics".
But Transar is not the kind of product that stands or falls on theory. Its profound superiority--indeed, its greatness--is something experienced with a sudden "shock of recognition." Experience Transar. See if you don't agree: Transar is the loudspeaker of the future.
bruin SC II f/C51
THE CUTTING EDGE OF TECHNOLOGY
(800) 447-4700 In Illinois, call (800) 322-4400
9613 Oates Drive Sacramento, CA 95827
FISHER CREATED A SPEAKER SYSTEM TO OUTPERFORM YOUR RECORDS.
THE ST660.
The bandwidth of a typical record is approximately 45 to 15,000 Hz. A commercially recorded tape rarely exceeds 50 to 12,000 Hz. The Fisher ST660 reproduces music from 39 to 22,000 Hz.
Why should a speaker outperform the material it will reproduce? A loud speaker provides greatest accuracy when not required to operate at the lowest or highest extremes of its bandwidth. The wide response of the ST660 means that even exceptional records, tapes or broadcasts will be reproduced exactly as recorded.
For the same reason, the ST660 delivers greater dynamic range than necessary to recreate the softest as well as the loudest musical passages of any recording. With only 1 watt of power, the ST660, will generate 94 dB at 1 meter (conversation is about 80 dB demonstrating its flawless reproduction at very low power levels. In a typical living room, a pair of ST660's can generate 113 dB, approximate level of a discotheque, so that the loudest music will also be reproduced without strain or distortion.
The end result is that you can use moderate power or super-power receivers to get a roomful of sound--clean sound, accurate sound.
This extremely smooth response curve proves it reproduces music as naturally as is technically possible without coloring sound, without mudding the definition of instruments.
Outstanding components for outstanding sound.
The ST660 includes a 12-inch low frequency loudspeaker, augmented by a 12-inch passive radiator for extended bass. There are, also, two midrange drivers for exceptional clarity, and a pair of dome tweeters for smooth, well-defined high frequency response.
Bass Loudspeaker and Passive Radiator.
The 10-inch bass speaker, having a 1 1/2-inch heat-resistant voice coil and 21/2-pound magnetic assembly, is rein forced by a passive radiator, a precisely tuned cone driven by the rear pressure wave of the speaker.
Two Midrange Drivers. Up front a 6 1/2-inch driver with a 2-inch dome, 2-inch voice coil and 26-ounce magnetic assembly delivers clarity and wide sound dispersion. A rear 6-inch cone midrange, driven by a 3/4-inch voice coil and 5.6 ounce magnetic assembly, reflects sound off walls and ceiling to recreate concert hall ambience.
Two Dome Tweeters. Treble accuracy is provided by two 1-inch dome tweeters. Each has a 1-inch voice coil and 5.6-ounce magnetic assembly for wide sound dispersion and high power handling capacity.
The Fisher tradition
Fisher is credited with starting the high fidelity industry in 1937.
The same dedication to excellence that existed then, in a modest New York City facility, still flourishes today in Fisher's ultra-modern 200,000 square foot plant in Milroy, Pennsylvania.
Perfection is the Fisher tradition. A tradition that has, over the years, resulted in an incredible number of audio innovations ... like the first coaxial speaker system and the first stereophonic receiver.
In keeping with this, the Studio Standard (ST) series are Fisher's premier loud speakers. The ST series consists of the ST660 and the more compact ST640.
To fully appreciate their performance, you will have to audition them for yourself at fine audio stores or the high fidelity section of department stores.
Weight 45 pounds.
Fisher Corporation, 21314 Lassen Street Chatsworth, Ca. 91311
FISHER The first name in high fidelity.
SONY
Even before you switch on the STR-7800SD receiver, it'll be receiving. Receiving oohs and aahs.
After it goes on, the accolades will really come in.
After all, it is the finest receiver ever designed by Sony. The 7800 puts you on the receiving end of the most tomorrow-looking technology available today.
You'll receive a feeling of power.
The 7800 brings power to the power-hungry, and can even make the mild-mannered lust for power. Rated at 125 watts per channel, it's powerful enough to drive any speakers-satisfy any need.
The 125 watts, minimum RMS at 8 ohms, is from 20 to 20kHz with no more than 0.07% Total Harmonic Distortion.
And that's Sony's conservative rating.
How this combination of power and low distortion was achieved, is an example of Sony's engineering muscle.
Let's start with the toroidal coil transformer. A more efficient structure, it fully exploits the high-performance power amp. As do two over-sized capacitors, each 22,000uF So the feeling of power through out the frequency range is unmistakable.
You'll receive tuning that'll leave you swooning FM circuitry found usually in separates appears in the 7800.
Pardon our initials, but MOS-FET's are used in the FM RF amplification. The result: good linearity, low noise and high sensitivity.
For you FM Dolby listeners, a complete FM Dolby noise reduction system, to minimize noise and over-load distortion.
And there's a new local oscillator circuit. Plus our uni-phase IF filters are so advanced, a computer de signed them.
A. Multipath switch and meter indicate optimum antenna orientation, thereby reducing distortion. An LED dial pointer doubles in length when an FM signal is received for easy tuning.
You'll receive a pre-amp that pre-eminent.
High marks for our low emitter concentration (LEC) transistor. De signed, made by, and exclusive to Sony. It guarantees low noise, and a wide dynamic range. It also keeps RIAA equalization to within +0.5dB.
You'll receive power.
And the means to control it.
The pre-amp section also gives you the control you need to keep all that power in line.
A presence switch is a special present: it lets you equalize the mid-range.
Importantly, the 7800 was built with a Professional Attenuator Main Volume Control. It eliminates gang error between channels.
Nor have we overlooked a special loudness network, or an audio muting switch.
Some input on the inputs: Phono 1, Phono 2, External Adaptor, Auxiliary, two tape decks-and tape-to-tape dubbing facilities.
Certain pieces of machinery simply ooze quality and power. Such is true of the 7800SD. It'll put you on the receiving end of the living end.
1977. Sony Corp. of America. 9 W. 57 St., N.Y., N.Y. 10019.
SONY is a trademark of Sony Corp.
Nikko 's Mix and Match Components
The separate components series from Nikko Audio features two well-designed tuners and three integrated amps. New this year is the NA 550 integrated amplifier with 45 watts* per channel, with less than 0.05% THD.
Also new in the Nikko line is the NA 850 with 60 watts per channel, and less than 0.05% THD. Both the NA 550 and NA 850 integrated amps have myriad features like responsive VU meters with vari able control, 5-position tape control switch (for dubbing), speaker protection circuitry, and Nikko's exclusive circuit breakers. The NA 850 also features a subsonic filter and tone defeat.
The TRM 750 integrated amp, like all Nikko products, is a superb performer, from i-s quality features to its built-in reliability.
The TRM 750 delivers 55 watts per channel, and no more than 0.15% TIHD.
Nikko's NT 850 AM/FM tuner is uncannily quiet and station grabbing. Normal and narrow IF circuitry provides high selectivity and low distortion while a front mounted multipath switch aids in reducing noise.
Last, but not least, is the FAM 450 AM/FM tuner. It's an established performer with excellent specifications and a typically modest Nikko price.
Now that you've read about our exciting separate components, we Invite you to write to us for complete product information and the name: of a Nikko Audio dealer near you.
Once you hove seen and heard Nikko Audio products, we think you'll make this your year of Nikko.
*Minimum RMS per channel, both channels driven into 6 ohms from 20Hz to 20kHz.
Nikko Audio For those who take their stereo seriously Nikko Electric Corp. of America
16270 Raymer St., Van Nuys, Calif. 91406
Nikko Audio, 1977 In Canada: Superior Electronics, Montreal, Quebec
AIWA's newest response is a flatter response
With the new AD-6800, AIWA attains a flatter than ever frequency response with any tape on the market. For the first time, a cassette deck can use its own circuitry to measure the precise bias figure of every brand of cassette tape. Our new 3-head Flat Response Tuning System (FRTS) and built in 400 Hz and 8kHz mixed oscillator lets you monitor a tape by watching the 400 Hz and 8kHz output levels. For optimum bias set ting, you simply adjust the Bias Fine Adjustment knob to get equal output as you record. Consider too, the many other advanced features in the AD-6800: double needle metering combines the VU level and peak level into a single meter, a Peak Hold button locks the peak metering system pre venting distortion-causing peak pulses, and an extraordinarily low wow and flutter of 0.05%.
The AD-6550 has a Bias Fine Adjustment knob to give optimum performance with any brand of LH tape on the market, a Remaining Tape Time Meter that shows exactly how many minutes remain on the tape when you record, and an outstandingly low wow and flutter of 0.05%.
And there's a lot more to the AIWA family.
The AD-6500, the first cassette deck to feature an automatic front loading system.
The AD-6300, a manual front loader with all the important features of top quality cassette decks.
TheAD-1250, an ultra modern 20° slant backed deck designed for maximum ability and ease of use.
The versatile AF-3030 combines all the features of the AIWA line of cassette decks with an FM-AM receiver.
So before you run out and buy a cassette deck, consider the engineering innovation that went into the AIWA family.
And weight AIWA 's response carefully.
AIWA.
Distributed in the U.S. by: MERITON ELECTRONICS INC., 35 Oxford Drive, Moonachie, N.J. 07074
Distributed in Canada by: SHRIRO ( CANADA) LTD.
Side panels optional with AD-6500 and AD-6300.
WIN IT ALL!
The Accuphase Super System. An audio perfectionist's fantasy.
Here's how you can enter:
Visit a participating Accuphase dealer. Pick up an official entry blank, fill it in, mail it in, and hope. That's it-not a thing to buy.
For the nearest Accuphase dealer call toll-free, 24-hours a day: 800-243-6000
(In Connecticut 1-800-882-6500).
Accuphase makes the extravagantly engineered, extravagantly praised components that Stereo Review calls "analogous to ... Rolls Royce." By no coincidence at all, they're at the heart of this super stereo set-up.
And the other top-quality elements of our Super System are worthy teammates.
When you visit your dealer, listen to Accuphase. And listen to your dealer, too. He is a knowledgeable audio specialist; he features and recommends Accuphase. The two facts go together.
So hear Accuphase. Enter our winner-take-all Accuphase sweepstakes. And you may win all the deluxe audio equipment on this page.
How does that sound? When you're really serious about your music.
Accuphase.
Official Rules
1. To enter, complete the official entry form available from a participating Accuphase dealer.
2. All entries must be postmarked by January 31, 1978, and received by February 28, 1978.
3. Winner will be selected in a random drawing. Result of the drawing will be final. Winner will be notified by mail. Odds of winning will be determined by number of entries received. Only one prize sound system will be awarded. State, federal, and other taxes imposed on the prize-winner will be the sole responsibility of the prize-winner.
The Accuphase Super System Accuphase P-300 Power Amplifier Accuphase C-200 Preamplifier-Control Center Accuphase T-100 FM Stereo-AM Tuner TEAC A-7300 Open-Reel Tape Deck TEAC 860 Cassette Deck
Loudspeakers: 2 Infinity Quantum 2 and 2 Visonic D-80 Micro Seiki DDX-1000 Turntable Tone Arms:
Micro Seiki MA-505, Infinity "Black Widow," and Audio Technica AT-1009 * Phono Cartridges: Sonus Blue Label, Audio Technica AT-20 SLA, and Ortophon MC-20 Moving Coil (with MCA-76 Preamplifier) Soundcraftsmen RM-2212 Equalizer
Audio Pulse Model One Digital Delay dbx 3BX Range Expander Micro Seiki MX-1 Headphones 2 TEAC ME-120 Microphones 2 TEAC Remote Control Units TEAC Cable Kit TEAC Dust Cover TEAC Recorder Maintenance Kit TEAC Demagnetizer Discwasher System and Discwasher Zerostat Ion Generator Ampex Grand Master 101/2" Open-Reel Recording Tapes and 20/20 + Cassettes-1 carton each Direct-To-Disc Albums: The catalogs of Sheffield, 11 Umbrella, and Crystal Clear And best of all, an Accuphase T-shirt and halter!
4. Employees of TEAC Corporation of America (distributor of Accuphase), affiliated companies, and sales agents, and the families of any such employees are not eligible. Void where prohibited or restricted by law.
5. Any request for the name of the winner should be mailed after February 28, 1978, to: Accuphase Super System TEAC Corporation of America 7733 Telegraph Road Montebello, California 90640
Marantz
I AM MUSIC.
Not everyone can afford the Marantz Model 940. In fact, you'll find that you have to spend a little more for any Marantz audio product. But when you do you'll possess the vital ingredient that makes Marantz the finest audio equipment in the world That vital ingredient is true musical sound. A sound that comes from better engineering and better quality. You experience it completely with the Marantz Design Series Model 940... the ultimate in performance and beauty.
Like every Marantz Design Series Speaker, the Model 940 is a handcrafted piece of fine wooden furniture. Its lean, sleek lines will enhance any room as dramatically as it enhances your stereo system with its breathtaking performance.
For music lovers who will accept nothing less than the very finest... and are willing to spend a little more to get it ... the Model 940 is the most significant speaker system ever developed.
We sound better.
The Marantz 940 Design Series Speaker is finished in the finest quality walnut veneer. 1977 Marantz Co., Inc., a subsidiary of Superscope, 20525 Nordhoff St., Chatsworth, CA 91311. Prices and models subject to change without notice. Consult the Yellow Pages for your nearest Marantz dealer.
AR
TODAY MORE THAN EVER AR SPEAKS THE TRUTH LOUD & CLEAN Amazing.
The hottest new name in the speaker business seems to be AR.
Because we've been busy making a few changes. But we haven't forgot what made us famous.
Quality.
Accuracy.
Performance, loud and clean.
Yes, we've broadened the AR line. Now it includes 7 models designed to sell from about $65 to about $450.
Yes, we've improved AR power-handling capacity with an important innovation. The liquid-cooled speaker. All our high-range drivers for '77-'78 will use magnetic fluid (it costs nearly $3000 per gallon) to position and cool voice coils.
Yes, we've refined logos, cabinet styling and several other neat little touches.
We've even improved distribution. Henceforth you'll find AR only in quality high fidelity stores.
What hasn't changed is AR quality and quality control.
And that's the reason every AR speaker system is covered by the most impressive warranty on construction and performance of any major speaker.
For information and "specs" pick up our new catalog from your high fidelity dealer or write to us at the address below.
AR--- TELEDYNE Acoustic RESEARCH
10 AMERICAN DRIVE, NORWOOD, MASSACHUSETTS 02062
IN CANADA: A C. SIMMONDS 6. SONS LTD.
Harman Kardon's ultrawideband 430 and 730 receivers.
Frequency response:
4-140,000Hz.
Amplifier design: true Twin Power.
Two features you won't find in any other receiver except our own limited-production Citation.
Two features you won't find even in separate components--at anything less than twice the price.
They're there for just one simple reason.
The sound.
In sonic terms, ultrawideband components deliver two important benefits. Phase linearity and outstanding transient response.
Outstanding transient response is the ability of a component to respond instantly to the onset of a sound. It keeps the reproduced music as open and clear as the original.
Phase linearity describes a component's ability to pass multiple frequencies without changing their time relationships. It gives you a sound that stays open and accurate, clear on down to the bottom Harman Kardon feels so strongly about these benefits that, in a market full of narrowband components, with frequency response from 20 to 20,000 Hz, we make only ultrawideband components.
The twin power supplies give you a further benefit. When the music makes extreme dynamic demands on one channel, the other channel simply cannot be affected-so even the loudest passages remain clear and open. That's why you'll find this feature in the world's finest high fidelity components.
Among which. of course, the Harman Kardon 430 and 730 receivers lave been enthusiastically accepted.
Harman Kardon, 55 Ames Court, Plainview, New York 11803.
harman/kardon wide, open sound
Most people think only expensive separates can give you wideband response and twin power supplies.
Except for these two receivers, they're right.
BIC
This year with the addition of new Formula 3 and 6 models, we've closed the gaps in our line. The seven BIC VENTURI Formulas are shown here in ascending order.
Formulas 1 through 4 offer a choice be tween two-way and three-way systems of different performance capabilities. While models 5 to 7 add the system monitor technology to speakers of increasing size and sophistication.
Thus, whatever level of refinement a music system has reached, there's a BIC VENTURI Formula that can upgrade its performance. And together they offer a range of choice (and price) that is unique in the industry.
For literature, and complete technical de tails, write us at the address below.
BIC VENTURI.
Tomorrow's technology in 7 Formulas today.
Speaker design is a funny business.
It is relatively easy to be esoteric. Much harder (and rarer) to be truly advanced.
Nonetheless, in 1973, BIC set out to make some fundamental improvements in speaker system design.
We developed, and patented, the BIC VENTURI coupled path to multiply bass energy and the BICONEX horn to match that new response.
The result was a quantum leap forward in loudspeaker efficiency that dispatched changes throughout the industry.
Last year, we introduced a new concept in speakers. The System Monitor Speaker, with electronic circuitry that takes measurements, displays information, even initiates action.
That gave loudspeakers the unique ability to make the rest of a component system perform better. In our view, a landmark development.
In just four years, BIC advancements had twice marked the path for future speaker evolvement. And, quite by design, all this was managed within a line of speakers most enthusiasts can realistically afford.
BIC VENTURI SPEAKER SYSTEMS TOMORROW'S TECHNOLOGY TODAY
Westbury, N.Y. 11590. B-I-C VENTURI and BICONEX are trademarks of British Industries Co Division of Avnet, Inc.
Setton
WE WANT YOU TO BE AS DEMANDING OF OUR SOUND AS WE ARE.
The most important feature in Setton equipment is the sound you hear. Every idea we've perfected over the years has that objective in mind. We think you'll be interested in reading about some of them.
Accurate adjustment of sound Superimposed on the circle of each knob is an elongated elliptical shape that helps your fingers accurately adjust the controls. That fine adjustment is aided by detents on volume and tone controls so you can set them precisely. The bass, treble and mid-range controls provide 1331 different settings. The mid-range control is valuable in correcting the dip in response in at least one well-known speaker.
Music--be it Bach, bop or rock--will sound truer. And the human voice, from an aria to an oratorio, will sound smoother.
Our pushbuttons are a pleasure to push. They're mounted in nylon bushings so they slide silkily and silently. They quickly switch bass and treble turn-over points, FM muting, loudness, tape monitoring and transfer.
The lights do a sparkling job of providing meaningful information.
You know instantly what mode of operation your system is in. And the lights on the security panel give you a visual warning of over-heating, distortion or over load, while a clicking relay also alerts you. Failing all else, the unit will shut down by itself before any damage is done.
Security Panel
New ideas to solve old problems We think about details, but we also think big, new ideas. For example, on our new TS-11 Automatic Front Loading Turntable the dust cover slides forward instead of lifting up.
The TS-11 requires only about six TS-11 Automatic Front Loading Turntable inches of height, so you can place it wherever you wish. With the controls on the front, you needn't reach into the unit to start, stop, change speeds or cue. And their vertical action cuts down on vibration. Wow and flutter are remarkably low and the rumble level is-60dB.
We haven't told you about our new RCS-X-1000 Remote Control Center. Or about the dual-gate MOS-FET transistors in our receivers and tuners for greater selectivity. And our Power Boosters and Car Speakers that make great sound a moving sensation.
As you might expect, the highest fidelity doesn't come with the lowest prices. Setton equipment is ex pensive, but for its price it offers uncommon value. We believe there are relatively few people able to fully appreciate this highest fidelity equipment.
If you would like to learn more about the line that starts with perfection, simply write to Barbara Beachy, Setton International Ltd., 60 Remington Boulevard, Ronkonkoma, New York 11779.
SETTON Perfection. The best place to start.
Threshold Corporation has quickly commanded a reputation for product performance that establishes new boundaries in state-of-the-art. Threshold technology is not "numbers", unrelated to aural experience, but direct solutions for those basic electronic anomalies to which the ear is most sensitive, Experience how pure an electronic component can be.
Audition one of these Threshold edge-of-the-art designs.
400A CLASS A POWER AMPLIFIER: Class A operation at output levels previously considered impractical to attempt.
Threshold's patented dynamic bias circuit gives the 400A power to extract maximum performance from any loudspeaker with a transparency only class A provides.
NS 10 PREAMPLIFIER: Extravagance in precision performance.
Ultra high bias currents provide a "super class A" operating mode while the extreme bandwidth of the active circuits (50 mHz) and the ingenious simplicity of the gain path assure total resolution of a signal's most complex elements.
CAS 1 CASCODE POWER AMPLIFIER: (not illustrated) The first power amplifier ever to utilize cascode operation throughout.
The Threshold cascode circuit, on which a patent is pending, effectively eliminates nonlinearities induced by voltage fluctuations within the active devices. Even with its modest power rating, the CAS 1 closely approximates the clarity of class A operation.
Threshold Corporation 1832 Tribute Rd. Suite E, Sacramento 95815
THRESHOLD PRODUCTS ARE DISTRIBUTED IN CANADA WRITE:
THRESHOLD, 5440 Maingate Rd., Mississauga, Ontario L4W 1R8.
Kenwood
ONE GOOD THING
LEADS TO ANOTHER.
When it comes to a super-powered receiver, people know a good thing when they hear it.
That's why our KR-9600 is one of the most popular receivers in its category.
For less than $750* you get 160 watts per channel, minimum RMS at 8 ohms, from 20-20,000 Hz with no more than 0.08% total harmonic distortion. With all the features and performance you'd expect from our top of the line receiver.
But let's face it. A lot of people don't need all that power. That's why we developed the KR-4070 It's got 40 watts per channel, minimum RMS at 8 ohms, from 20-20,000 Hz, with no more than 0.1% total harmonic distortion. (That's correct, 0.1% TH D.) Plus all the features most people need.
But what's incredible, is that you can buy it for less than $300'.` Depending on how much power you need, either receiver will give you more performance for less money than you thought possible.
Because at Kenwood, we think you can't get too much of a good thing.
"Nationally advertised value. Actual prices are established by Kenwood dealers.
Handles optional.
KENWOOD
For the Kenwood Dealer nearest you, see your Yellow Pages, or write Kenwood, 15777 S. Broadway, Gardena, CA 90248
Radio Shack
The deep bass of acoustic suspension, the high efficiency of a tuned port Removable grille for easy treble adjustment.
Sensational new Realistic Optimus-10
An audio breakthrough from Radio Shack. The Optimus 6-10 combines the best of two types of designs to create a very efficient passive radiator speaker system.
Here's how it works:
When the 8" woofer cone expands and compresses the air in the enclosure, the 10" acoustically sealed drone moves in and out like an air piston, reinforcing the bass frequencies. So while the woofer produces sounds from 60 to 2500 Hz, the drone extends those frequencies all the way down to a clean and solid 42 Hz.
You'd need a 9" wide, 4 ½” long tuned-port for such powerful bass. The woofer has a one pound magnet with four-layer voice coil. And the 3 1/4" dome tweeter assembly has a 1" high-temperature voice coil of lightweight aluminum for superior high-frequency dispersion and transient response. The result: wonderful sound from a system so efficient it can be powered by as little as 5 watts-or handle up to 75 watts continuous program. Overall response is 42-20,000 Hz within 3 dB. A control adjusts the treble response ±3 dB to suit your room.
Genuine walnut veneer finish. Come in and audition the Optimus-10. Made in the USA by Radio Shack, and just 139.95 each.
SOLD ONLY WHERE YOU SEE THE "Radio Shack" SIGN.
A TANDY COMPANY, FORT WORTH, TEXAS 76102
OVER 6000 LOCATIONS IN NINE COUNTRIES.
Price may vary at individual stores and dealers.
FREE! New '78 Catalog 164 pages, 100 in full color.
Come in for your copy and see what's really new in electronics.
2000 exclusive items!
High Fidelity, September '77 --- So said the High Fidelity editors in a review of the Satin M-18X cartridge. "The reputed clarity of moving coil cartridges is here take l fa: granted rather than flaunted, resulting in sound that is extremely smooth-Satin, if you will." Here's why. Satin MC cartridges with superior high flux magnet and high aluminum ribbon coil provide sufficient output to power any fine stereo pre-amp without the need for pre-pre-amp or booster transformer.
And Satin cartridges are the only MCs available with user replaceable stylus. You will never need to send your cartridge to the factory again.
Visit your franchised Satin dealer today to hear any of the fine cartridges in the Satin line. You'll learn to believe in instant sound superiority. Instantly. Ask your dealer for a free copy of the Satin "Guide to Moving. Coil Cartridges " Or write directly to us.
Osawa & Co. ( USA) Inc., 521 Fifth Ave. New York, N.Y 10017
Extra Power with Improved Efficiency
Hitachi's Class G Hitachi's Class G is one of the most incredible cost/performance amplifiers ever created.
It is about three times as efficient as the conventional Class B amplifier. And it looks as sophisticated as it sounds.
Simply expressed, Class G is two amps in one. During the musical "downs" and "averages" the primary amp works on the low-voltage amplifier. But let one of those musical peaks come along and the standby high-voltage amplifier cuts in for clear, powerful sound without clipping distortion.
Technically the standby amp consists of additional power transistors which are activated only when the signal peak demands it. But practically it means we can offer more usable power at a lower price.
Or in other words you're not only getting a little extra, you're getting about twice the amplification for the price of one amplifier.
HITACHI----When a company cares, it shows.
Audio Component Division, Hitachi Sales Corp. of America, 401 West Artesia Boulevard, Compton, CA 90220, (213) 537-8383, Extension 228
The Ego Trip.
A search for the ultimate listening experience.
Music reproduced in such lifelike fashion that it is felt as well as heard.
But to accurately recreate the live sound of music requires speakers of extraordinary dynamic range and power handling capacity.
That's why every Ego speaker is designed to handle enormous amounts of power and do it effortlessly.
Though moderate in size, Ego speakers can easily reproduce the ear shattering levels of a rock group in full cry and do it with unmatched clarity and precision.
Every Ego speaker uses special high reliability drivers and crossover networks backed up by protective circuitry to prevent mechanical damage and burnt out voice coils.
Yet in spite of their high power handling capabilities, Ego speakers are efficient enough to be used with moderately priced and powered amplifiers and receivers.
If your speakers aren't delivering the kind of punch and power you know is in the music, take a trip with Ego. It's a real voyage of discover.
Ego speakers from $155 to $335.
Inter-Ego Systems, Inc. P.O. Box 221 Plainview, N.Y. 11803
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Also see:
AUDIO NEWS: Audivideo, Russian RFI , and Quadcasting, LARRY KLEIN, RALPH HODGES, CHARLES REPKA
Technical Talk, Julian D. Hirsch
I Remember Mono--An Audiobiography
Source: Stereo Review (USA magazine)