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Yamaha A-450

Stereo Integrated Amplifier (1979-81)

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Yamaha A-450


Power output: 30 watts per channel into 8Ω (stereo)

Frequency response: 4Hz to 70kHz

Total harmonic distortion: 0.05%

Damping factor: 50

Input sensitivity: 2.5mV (MM), 150mV (line)

Signal to noise ratio: 92dB (MM), 100dB (line)

Channel separation: 55dB (line)

Output: 150mV (line)

Speaker load impedance: 4Ω (minimum)

Semiconductors: 25 x transistors, 3 x IC, 17 x diodes, 2 x zener diodes

Dimensions: 435 x 112 x 338mm

Weight: 7.8kg

Year: 1979


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Reviewed Jul 03rd, 2019 by Semaphorian39th

Great amplifier simple but requires tuning when recapping..! boosting farad's slightly and employing low ESR high current.. electrolytic cap's..! helps get the great result's otherwise sound's flat



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