Audio Proz Service and Sales


Nakamichi Cassette Deck 2

Audio Proz Inv #: 72890

Dolby B+C. Gear Drive mechanic, The best design. Excellent .015 spec wow and flutter. Uses synthetic rubber belt. Calibrate to type II Maxell UDXL. All basic service done. #9 condition

$ 328  Contact Us  

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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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-125

Audio Proz Inv #: 72321

Black face full feature deck, unit in excellent condition. Defeated output control (set for correct value - needs to be done on these units) Modified power supply, all cleaned & calibrated to maxell UD XL tape SX position 70us. All functions ok, #9 condition

$ 288  Contact Us  

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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We are presently operating on an APPOINTMENT ONLY basis. Please call us first at (617) 926-8020 to schedule an appointment before you come into the shop for repairs, rentals, product recommendations, consultations, or anything other than minor purchases.


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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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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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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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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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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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.


Sony TC-K555

Audio Proz Inv #: 71505

Dolby B, C, and MPX filter. Adjustable bias. Linear tape counter. 3 head DC servo motor for superior wow and flutter. Headphone level. Use CRO2 setting for Maxell chrome tapes. Virtually unused condition. Near perfect calibration. Condition 9

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Nakamichi BX-1

Audio Proz Inv #: 71441

2 head. Black face. Calibrated for Maxell XL Tape. Basic maintenance. Near perfect. Condition 9+.

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Nakamichi BX-100

Audio Proz Inv #: 71436

Basic machine. Black face. (Has water spot stains all about front - not cleanable). Excellent calibration. Unit all serviced electronically #9, but face/cover has moisture spots. Condition #7

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Nakamichi CR-1A

Audio Proz Inv #: 71365

Virtually unused. 2 head. Machine calibrates perfect. Cover a little worn. Complete service. Condition 9.

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Nakamichi BX-1

Audio Proz Inv #: 71127

2 head cassette deck. Silver. Dolby B. 1/4" jack. Very high quality unit. Timer: rec & play. Electronic tape controls. Memory stop. Peak level LED meters (red). Tape selector: EX (type 1), SX (type 2), ZX (type 3). EQ 70/120 μsec. Calibrate SX - 70 μsec. EQ bias for maxell chrome tape. Condition 9+

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Yamaha KX-W232

Audio Proz Inv #: 70857

Dolby, 2 Decks 1 records, Record punch in, Remote control capability, excellent wow + flutter, Excellent fidelity, Excellent speed calibration. #9+

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Please note: all of our cassette machines are in near perfect condition. We only resell machines that are in excellent condition and completely serviced and calibrated. If any unit has cosmetic wear or defects, they will be noted in the listing.


Marantz PMD 201

Audio Proz Inv #: 70722

Mono portable cassette recorder, with built in mic, telephone interconnect, and original 4.5 power supply. Unit works properly, tested and cleaned, (belts replaced in 2013) # 9 condition

$ 408  Contact Us  

Nakamichi CR-1A

Audio Proz Inv #: 70682

Very high quality cassette deck. 2 head, Dolby B/C, MPX filter (on/off switch), electronic controls. Gear drive version, idler. Memory stop/auto-repeat. Timer switch, play/off/rec. Black face w/ green status and meters. Low use, good condition. Heads mech virtually no use time. Perfect calibration. #9 condition.

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Scott 639DC

Audio Proz Inv #: 70591

high quality machine. Sendust heads. high quality Dolby circuits. Low wow and flutter. 1/4" phone mic inputs. Dolby B + C. Rec Mute function. Norm/Cr)2/Metal tape selector. Unit makes high quality recordings. Excellent bandwidth. Low noise! Condition 9+. 

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Technics RS-TR311

Audio Proz Inv #: 70532

Double deck, both transports auto reverse, one record, one playback only. Top Quality performance, low wow flutter, Audio Pro service and careful calibration !!!!, Good belts. #9 condition.


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Nakamichi BX-125

Audio Proz Inv #: 70462

Black, Basic design, Excellent record/play calibration ***** , Output control is jumpered out, Complete clean and calibration, 90% good head, Minor dent at top edge, Condition 9-

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Nakamichi Cassette Deck 2

Audio Proz Inv #: 70418

SN: 12779. -/+ Bias Tune Control, L/R Record Balance Control & Record Level Master Control. Type I, II, and IV Tape selector. Dolby NR, MPX Filter. This unit has gear drive idler mechanism. Cleaned and calibrated to standard NAB Level. Calibrated type II for Maxell XL II. Low use unit in excellent condition. Clean faceplate with small scratch on power button. Top cover has minor scratching and signs of use. Fully functional, cleaned, calibrated, serviced. 9+ condition. 

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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.


Nakamichi CR-5A

Audio Proz Inv #: 70408

3 head design, Superior Cassette Recorder, Head is 80% good or better. Gear drive mechanism /super calibrated. Nakamichi Super Grounding (Recommended) New belts (1 year ago)  Battery replaced, replaced 5 volt regulator, replaced 2 PS caps, Cassette well bulbs wired to -12 V supply to reduce power to 12 volt line. Excellent cosmetics. #8+ condition

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JVC KD-V6 3 Head Cassette Recorder

Audio Proz Inv #: 70194

One of the best spec machines, wow / flutter speed better than Nakamichi !  FIP Meters , headphone jack.  Audio Pro professional cleaned and calibrated for Maxell type II tape.  Unit has virtually no use, #9 condition.

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