Audio Proz Service and Sales


Yamaha CA-800 Amplifier

Audio Proz Inv #: 54289

Yamaha CA-800 Amplifier, 1 channel has major failure. Natural sound stereo amplifier, 2 aux in, tuner in, 2 phono in, mic in, A,B,A+B Speaker selector, tape selector, tone defeat switches normal, Class A operation selector, high filter, low filter, silver face. Shorted output on left channel, good face, knobs or for repair.

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Yamaha M-80

Audio Proz Inv #: 61513

Meter and meter board with switches and I.C. bulb, minor scratches but otherwise good cosmetic condition, #8

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Yamaha M-80

Audio Proz Inv #: 61687

(3 pcs.) speaker terminals, priced as 42.00 each, (1 pc.) pair broken but good for red, black terminal tops, priced as 12.00 each, salvage, good condition, #8+

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Yamaha M-80 face plate

Audio Proz Inv #: 61668

face plate only, has small scrapes/scratches on the left hand edge, can be sanded out, includes push buttons (power, auto class A, peak hold, range 2, 4, 8 Ω load), good condition, #8+

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Yamaha Nichicon 40127 33000uF filter capacitor

Audio Proz Inv #: 51656

Power supply filtering cap, 33000uF 50wV, 2" diameter by 2+5/8" height. Includes mounting bracket. Excellent condition. Pair available.

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Local customers, please do not come to the shop without calling ahead first - (617) 926-8020 - for an appointment, so that we can more efficiently help you with your equipment or sound recording needs.

We keep our database up to date with almost 10,000 items in stock. If you see a part number and a price, we have that item in stock. 

Customers outside of the US, please note that international shipping can be costly (US Post $16 minimum - up to 8oz or 226g). We are glad to combine orders to reduce shipping costs. Take a look at our shipping policies for more information and estimates of prices and shipping time.


Yorkville AP2020

Audio Proz Inv #: 60796

Power amp, two input and output channels. M1131 Board (version 3.00). Unit has bad low level power supply board and one amp board has minor problem. #7 condition, worth parts.

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