Audio Proz Service and Sales


Nakamichi BX-100

Audio Proz Inv #: 71600

Basic machine. 2 head one deck. Silver face. Head 80% or better. Unit calibrates excellent - wow, flutter, and frequency response. Cosmetics perfect. SX position 70 microseconds for Maxell tape use. AP cassette mechanics updates. Condition 8+

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Denon DRM-710

Audio Proz Inv #: 71699

3 head / monitor thru. Fine bias. Dolby B and C. Headphone level. Black face. Calibrated to Philips NAB Standard C. Display meters by design read 1 dB low. Excellent rec/play quality. Virtually unused. Machine is dual capstan design and can sense if tape is correct tension. Will shut off if not correct. Deck by design takes 10 seconds to warm up. Condition 9

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JVC DD-V7 Stereo Cassette Deck

Audio Proz Inv #: 71648

Dolby B, C, NR. Auto reverse. Music scan search. This is one of the most well designed transports and mechanics. It's very easy to service, ultra reliable. Has low wow and flutter, but unit occasionally exhibits a strange problem to search for a song index point, and stop / rewind appears to be sensitive with old tape cassette mech friction. Condition 8+

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Ultrx RD-C21

Audio Proz Inv #: 71732

Basic machine. DBX, Dolby B C. Mic line in. Actually this machine performs excellently. Calibrations for speed, wow, flutter spec amazing! And rec/play is as good as a very expensive deck. Low use condition with good belts. Condition 9

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Technics M205

Audio Proz Inv #: 71733

Basic design. Dolby. Mic. Silver face. Meters. Excellent performance. Wow, flutter, rec, play all good. All service done. Condition 8

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We clean, service, repair and calibrate cassette and DAT cassette machines.
We have many parts available for all brands. Email Us or call (617)926-8020 for details.


TEAC W-460 C Double Deck

Audio Proz Inv #: 71722

One direction only.  Super Quality deck for wow flutter, calibration etc.  Dolby B&C. Continuous play timer. Headphone.  All basic service done, calibrated for Maxel UD tape, Black face with nice look, virtually no use. Cover slight wear. Nakamichi Quality machine!, 9 Condition

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Kyocera D-601

Audio Proz Inv #: 72115

2 head cassette deck, platinum finish, electronic controls, 2 motor direct drive capstan, Dolby B+C, 3 position normal/CO2/metal, 3 Fine bias adjustment, output level control - is non functional, microphone input, memory stop and relay, headphone output 1/4, Full service cleaned and calibrated, set up for Maxel UD tape, very nice unit, top quality deck,  Wood side panels Condition #8

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Nakamichi BX-300 3 head cassette recorder with Pitch control

Audio Proz Inv #: 72534

Excellent quality machine, All maintenance & service, by Audio Pro,  Perfect alignment of heads, excellent wow& flutter .05%, has recent new belt, Power supply heat sink upgrade,  Bias control is not accurate, so it has been set C.W.(off) and has been calibrated N.A.B. perfect for Maxell type II tape SX 70us, also ZX calibrated perfect for type IV metal tape. Level control at #9 calibrated to N.A.B standard levels. Virtually no use time, #9  condition (-151708.jpg)

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Nakamichi BX-1

Audio Proz Inv #: 72763

Silver face version, Unit in Virtually unused condition maybe 200 hours. Calibrate to NAB standard SX / 70us is for Maxell  UD XL Type II tape,   New idler and special rubber rejuvenate on idler. Complete all mechanics serviced, Nakamichi update to grounding and drive mechanism.  #9+ condition.

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