We have many parts available for BGW amplifiers 750, Heatsink: $20, 2N 3773 $6 each, SJ7394 $6 each, only these listed parts are available. Circuit boards # 9007-0750 with original parts and transistors appear to test good, board has no damage visible $58 each.
Rack Handles. 7+/10 condition. Obvious but minor scratches.
Parts for repair. 380004400 rev 8. AMP board only, intact low use and tested with switch. Output transistors listed 2SD746A, 2SB608A $28 each. 2 pieces or more to purchase 22 each.
Two channel power amp. One channel working, for parts or hobbyist. 2 rack space unit, nice chassis that can be used to build a new amp using existing 100 watt transformer and filter caps.
RCA SK 9348 output transistor, 9 available, priced as each, N.O.S. #10
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.
Amplifier module only, Updated with better power supply capacitors (better reliability), Speaker level input/Speaker output, Line level input, Auto/On/Off sensing, Level control, Low-pass frequency 55Hz-170Hz (variable), Phase switch (0/180 degrees), Tested/burned in Good, Condition #8+
Intact machine good for parts. Two channel power amp.
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.
Unit needs repair. Value for face plate and rack. Circuit board intact clean. Missing 739 IC. All transistor in circuit - circuit chassis should missing knobs scratched Cosmetic and mechanics are in excellent condition.
Module C-1. 2" high. Tube socket 11 pins out. For compressor. May need capacitors replaced. Looks intact inside cannot be certain of operation. #8 condition
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Part #464019 10490e. With color coded leads attached. Good #7 condition with large dent on one side, tested OK.
Low speed, virtually silent dual cooling fan. Nice slim rack package. Condition: 9
watt meters, 1 pair, 0.2w-320 watts, 4 ohms, odb = 160 watts, overall size: 2 7/8" x 3 1/2" x 1/2", window view: 1 5/8" x 3 5/8", meter/needle scale in good shape, bezel/smoked plexiglass cover is badly scratched, condition #8, price is for one meter
5 inch by 4 inch, meters have obvious light scratches, windows could be exchanged. #7+ $32 each.
Bad solder joints and corrosion inside of machine. Right channel has failure - possible predriver. Low level caps need to be replaced. Fuse holders unsecured. Most mosfets good. Cosmetically OK, minor scratches/corrosion. Unit sold as is for parts. Call (617)926-8020.
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.
Stereo Amplifier. Good cosmetics, mechanical condition. One channel bad, strange problem but board in tact. 1 Channel perfect. #7 Condition.
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.
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Vintage Harman Kardon Receiver, germanium transistor design throughout. Unit needs new capacitors and amplifier repair.
Complete board with cut wire lead. Condition: 9
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Many of these amps available, Intact but all have problems, some bad amp circuits, caps, transistors on plug in driver board. Most have OK output transistors. #6 condition.
Parts unit sold as is. Unit has been partially repaired but has a bad transformer (L01-1611-05). Definitely repairable but this part must be replaced. Circuit boards were repaired at one time.
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2-prong AC cord (white) 5/16" pin spacing (read listing carefully KLH made 4 variations of AC cords)#8 condition. (2) available
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5/16" spacing between pins on input to unit. Black color cable. Excellent condition. (Read listing carefully KLH made 4 variations of AC cords) Please show us a picture of your AC connector to guarantee proper fit replacement. M.P.W.
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