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Yamaha A-1000

Stereo Integrated Amplifier (1983-84)

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Yamaha A-1000


Power output: 120 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.005%

Damping factor: 90

Input sensitivity: 0.16mV (MC), 2.5mV (MM), 150mV (line)

Signal to noise ratio: 80dB (MC), 94dB (MM), 106dB (line)

Channel separation: 70dB (MM), 65dB (line)

Output: 150mV (line)

Dimensions: 435 x 146 x 424.5mm

Weight: 13kg

Year: 1983


instruction/owners manual   English - Ivy Caudieus

service manual   English - mozwell

brochure   English - ktm2015

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Reviewed Jul 14th, 2016 by richard_deming

This amp is a beast...It sounds great and can drive any speaker you throw at it. the only draw back is there are no pre-outs.

Reviewed Nov 04th, 2014 by BSLY44

good sound plenty of power



re: A-1000 Subwoofer Question

Good Day,
I've had my Yamaha amp since 1984 and was wondering if it is possible to utilize a subwoofer with it. I currently have a set of Klipsch Heresy speakers connected to the amp.


re: A-1000 Subwoofer Question

I added a powered sub using speaker output to the high level input on the sub amplifier. Hope this helps. BY THE WAY what sub are you planning on using?

re: A-1000

Thanks for posting the Yamaha a-1000 service manual. I have owned this amp since 1984 and love it. The direct button is getting dirty/intermittent. I should be able to find the culprit and replace it by referencing the schematic. Have a good day,

re: A-1000

I think is better open the button and clean it, i did it with all the buttons for the same model, it take me 3 days but now the amplifier sound grateful.

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