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Yamaha CR-620

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Yamaha CR-620

AM/FM Stereo Receiver (1978-79)

The Yamaha CR-620 is a high performance AM/FM stereo receiver, with excellent selectivity, sensitivity, low distortion, and high output power.

It has accurately matched performance specifications, functions, and controls, giving overall performance which fully measures up to Yamaha’s high standards for separate tuners, pre- and power amps.

The CR-620 offers an extremely wide range of output powers for which both noise and distortion are below the rated value, for the widest possible dynamic range in actual use. This was the basic design concept for the audio section.

The sophisticated Direct Assessment of Differential Gain technique enables Yamaha to combine high station-getting ability, razor-sharp tuning, and ultra-low distortion in the tuner section. Both signal strength and center-zero FM tuning meters are provided on the CR-620, with the signal strength meter doubling as a signal quality meter on FM.

Both Bass and Treble controls have completely ‘flat’ central positions, so that the equivalent of a Defeat position is achieved. High and Low Filters are also provided.

Whatever your normal maximum listening level, this Yamaha ‘special’ enables full compensation for the ears’ reduced sensitivity to bass and treble frequencies at lower listening levels.
Specifications

Tuning range: FM, MW

Power output: 35 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.05%

Damping factor: 40

Input sensitivity: 2mV (MM), 120mV (line)

Signal to noise ratio: 92dB (MM), 97dB (line)

Output: 120mV (line)

Speaker load impedance: 4Ω (minimum)

Semiconductors: 3 x IC, 1 x FET, 68 x transistors, 29 x diodes, 5 x zener diodes, 4 x LED

Dimensions: 508 x 167 x 395mm

Weight: 12.5kg

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