It's time for everybody else to start playing catch-up. Again.
From the very beginning, Yamaha receivers have set new laboratory standards. Our achievements in low distortion engineering, superb signal-to-noise, as well as high sensitivity and selectivity throughout the line have yet to be duplicated by any other manufacturer.
Now we've raised our standards even higher, beyond the laboratory and into the home. The result is the CR-2020: the pinnacle of a new line of advanced performance Yamaha receivers, rated to meet the more critical demands of real life.
Real Life Rated! While traditional laboratory measurements provide a good relative indication of receiver performance, they simply don't tell you how a receiver will sound in your living room in actual operation.
For example, in the lab, each receiver component is tested separately. At home, you hear them together as a single unit.
In the lab, distortion is measured at full-rated amplifier output. At home, you rarely, if ever, use the amplifier's full-rated power.
In the lab, power and distortion measurements are made with the volume control at maximum. At home, maximum volume would be painfully loud to listen to.
In the lab, noise and distortion are measured separately. At home, you hear them together.
Clearly a new standard is needed for evaluating overall receiver performance under real life conditions. Yamaha's new standard is called Noise-Distortion Clearance Range (NDCR). No other manufacturer specifies anything like it, because no other manufacturer can measure up to it.
We connect our test equipment to the phono input and speaker output terminals, so we can measure the performance of the entire receiver. We set the volume control at-20dB, a level you're more likely to listen to than full volume. We measure noise and distortion together, the way you hear them.
On each of our new receivers, Yamaha's Noise-Distortion Clearance Range assures no more than a mere 0.1% combined noise and distortion from 20Hz to 20kHz at any power output from 1/10th watt to full rated power.
Component-by-Component Excellence.
By all conventional laboratory standards, as well as Yamaha's more stringent standards, the CR-2020 offers a new level of receiver performance.
At full-rated output, the 100 watt-per-channel power amplifier reduces total harmonic and intermodulation distortion to a new absolute low-a mere .05% from 20Hz to 20kHz into 8 ohms.
The CR-2020's exceptionally fine preamplifier is largely responsible for an incredible -95dB signal-to-noise ratio, from moving magnet phono input to speaker output.
The CR-2020's tuner makes FM reception up to 18kHz possible for the first time with unique negative feedback and pilot signal cancellation circuits (patents pending).
What's more, Yamaha's patented use of special ceramic and LC filters (developed for our revolutionary CT-7000 tuner) provide the highest selectivity and lowest distortion available.
Built-In Moving Coil Head Amp. Today, more and more people are discovering the superior performance of the moving coil phono cartridge. While other receivers require an expensive preamplifier or step-up transformer, which can compromise sound quality, the CR-2020 already provides for it-the same solid-state device first developed for our superlative C-2 preamplifier.
Input/Rec Output/Pre Out Selectors. Here's extra convenience for tape recording enthusiasts. Record any source while listening to another. For example, copy a tape or disc at the same time you're enjoying an FM program. When
Fast Rise, Slow Decay Power Meters. The CR-2020's large, accurately calibrated power meters, with fast rise, slow decay characteristics, make accurate readings possible from 1/10th watt to 200 watt peaks without switching ranges.
Multi-Function Signal Quality Meter. When tuning, the right channel power meter automatically converts to a signal quality/strength meter. Needle oscillation indicates the degree of multipath present, while the meter calibrations indicate the strength of the signal. After tuning, the needle automatically reverts to power reading.
Optimum Tuning System. Yamaha takes the problem of inaccurate tuning out of human hands. After you manually locate the desired station, OTS automatically fine tunes it to the single point that gives maximum stereo separation and minimum distortion. A defeat switch is provided for special applications.
Built-In Equalizer. Think of the CR-2020's tone control circuitry as a small multi band equalizer. Feedback bass and treble controls have selectable turnover frequencies. A midrange presence control adds more flexibility. Two-position low and high filters have 12dB/octave slopes. For the purist, a defeat switch removes the effect of the tone control circuitry entirely.
The Best Is Yet To Come. Now that you know about Real Life Rated, you'll want o hear a real life performance. At your Yamaha Audio Specialty Dealer, you'll find common dedication to faithful music reproduction and genuine customer service.
If your Yamaha Audio Specialty Dealer is not listed in the local Yellow Pages, just drop us a line. Along with his name, you'll get complete details about this unprecedented receiver.
(Source: Audio magazine, Nov. 1977)
Also see: Yamaha A-1 Amplification System (Nov. 1978)
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