Audio Proz Service and Sales


Technics SA-DX1050

Audio Proz Inv #: 62685

Has failed RSN 310R37 amp I.C. All other parts OK. call for parts, RSN 313H23 ($30)must be salvaged. Low use unit but needs repair. #7 condition.

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KLH model 11 Board transfers

Audio Proz Inv #: 61896

(4) RCA 35044 output transistors (SOLD but more can be found ($14/each), Control board power supply, many parts. 8 condition. (call for information)

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NAD C272

Audio Proz Inv #: 70701

Power amplifier, 150 watts/channel/8ohm. Unit has an open transformer. but is in good condition cosmetically. Soft clipping circuit on/off switch  2 speaker outputs Inputs: RCA Fixed or variable level. Can be run stereo or mono with bridge switch.

#7 condition due to open transformer.  Please call if interested

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Crown 300A

Audio Proz Inv #: 70933

Right channel missing parts. No obvious shorts on outputs. Previous service by another shop caused the damage. Definitely rebuild-able low use machine. #7 Condition. 

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Hafler P3000 Trans Nova

Audio Proz Inv #: 71248

Power amplifier, right channel good, left channel bad *not an obvious fault (difficult to trouble shoot this design-  requires replacement module), parts unit, good cosmetic condition for right channel module, low use condition, perfect cosmetic 9. 

SOLD  Contact Us  

Contact us about similar items or replacement parts.


We offer expert time-saving advice on repairing many types of home and studio equipment, as well as consulting for product and recording issues, at a fair and reasonable cost.  For complex matters, we sometimes must charge a small technical fee.  If we can help solve your repair problem or technical conundrum, give us a call.  (617)926-8020.


NAD C 370

Audio Proz Inv #: 71585

Integrated amp, amps will not turn on, appears to be low level power supply problem forces unit into protect, amplifier modules seem to be ok. good condition #8

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