Audio Proz Service and Sales


Denon DRM-740

Audio Proz Inv #: 63223

Dolby HX Pro, 3 Head / 3 Motor, FIP Meters, All service, Very low-use deck, Condition #9

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Dual C 819 Stereo Cassette Deck

Audio Proz Inv #: 62102

w/ original box/packing, Headphone jack w/ L/R balance controls, fade in/out button, input/balance controls for line/din and mic inputs, Tape counter w/ memory, dB meters, Unit powers on, motors work, needs all new belts, otherwise untested, cosmetic shape is excellent, very clean, has seen low use, faceplate looks great, Condition #9

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Harmon Kardon HK200XM

Audio Proz Inv #: 62899

Single deck machine, Silver faceplate, LED peak display, This unit needs servicing (belts, cleaning, calibration) but is a saleable machine, very good cosmetic condition, Condition 8+

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Onkyo TA-RW311 Black

Audio Proz Inv #: 70143

Stereo double cassette deck, 1 side records, Both sides auto reverse  FIP meters and counter. Excellent performance  Easily serviceable machine. Very good wow and flutter, heads are excellent. These have the BEST mechanics. Minor stain on top. All service, cleaned & calibrated. 9-. ( Note: If unit bounced or jarred - Unit may have idiocyncracy to move forward -simply engage any function and unit resets auto cycling for forward and reverse).

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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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FYI, Around the database you will often see us describe the condition of units on a scale of 1-10. #10 would mean the product is new from one of our suppliers, such as Behringer, Audio Technica, etc. #9 means the product is in perfect condition but is used, #8 implies there are some minor cosmetic scratches but unit is mechanically perfect, and so on and so forth.


Marantz PMD222

Audio Proz Inv #: 70001

3 head mono recording, Works excellent, Needs belts and service before sale, With DA-36 power supply, Condition #9

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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 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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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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SAE C101

Audio Proz Inv #: 64429

Computer Controlled 3 head cassette recorder, 2 motor design, Sendust heads, replaced belt - but still requires more service for proper operation.

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If you are calling or e-mailing about a motor, especially one that is rare or not specifically listed on our site, please include as many of the following details as possible: the direction the motor spins (clockwise or counterclockwise) when looking down the shaft, the voltage, and the diameter of the axle shaft (measured carefully). Also, a photo of your old motor is very helpful.


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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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-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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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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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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Sony TC-WR801ES

Audio Proz Inv #: 48339

Double cassette deck, both sides record. Dolby-S noise reduction. Excellent cosmetic condition. In need of belts and alignment. As is for $20, or completely serviced and set up for $160.

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If you are having trouble finding parts, enter the name into our search bar at the top of the page. Please be aware there is a minimum $4-$6 to ship any part. International orders will be $14-$16 to ship for anything larger than an envelope. Shipping costs are non negotiable, so please, PLEASE do not ask for a part, or for us to search for, or quantify a part if you cannot pay for the shipping.


Yamaha KX-230

Audio Proz Inv #: 52210

Needs service. counterbelt, polish head. But if repaired #9 condition machine.

$ 28  Contact Us  

Pioneer CT-F6161

Audio Proz Inv #: 55124

For parts. Single well deck, silver face with V/U meters. Some controls frozen. Unit is totally intact but needs service. Excellent face cosmetics, low use, condition: 7+

$ 48  Contact Us