Audio Proz Service and Sales


Denon DR-M11

Audio Proz Inv #: 54177

Top quality design. Headphone/ level. Basic funtion cassette deck with digital display. Music search. Dolby type (B) and (C). Noise reduction, timer on black. Five bias control. Excellent calibration. Low use. Minor scratch on top cover. Tiny abrasion on right edge.

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JVC DD-5

Audio Proz Inv #: 26924

Stereo Cassette Deck, Line in/out, front panel mic input, dolby b, vacuum flourescent display, direct drive transport, rec punch in, rec mute, top quality audiophile deck, very low wear on head, cleaned and adjusted, timer start capable, excellent smooth transport

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Sony TC-KA1ESA

Audio Proz Inv #: 54637

Stereo cassette deck. Dolby type B, C, and S noise reduction. 3 head monitoring. Bias adjust, single button calibration. Like new, speed calibrated, #9

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Audio Technica AT-RMX64

Audio Proz Inv #: 53484

6 Channel Mixer/ Recorder. Knobs, controls, cosmetic parts, switches, heads, VO meters, function keydeck broken, cassette lead broken, all other parts. Good. #7 condition.

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Akai GX-8

Audio Proz Inv #: 60164

Needs repair, or available for parts.

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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.


Advent Cassette 201

Audio Proz Inv #: 27213

Unit in top condition, some minor scuffs. Call, we have various units in stock Be advised that any change of drive mechanical parts, idler. pinch roller etc, will result in a change of speed spec and possibly tracking of tape across the heads. The parts from this era were quite variable in spec (springs , rubber quality etc. all varied historically, especially the pressure rollers look and work performance, due to different springs and rubber.) So confirm that you understand this and you may need an audio technician to correctly install and tweak the parts to ensure correct performance. Good pinch rollers now get $22,  idlers $22 each, play key $6. Rubber parts are getting difficult to find in truly clean and un-warped surface condition.

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JVC DD-VR77

Audio Proz Inv #: 27087

Full feautured auto reverse cassette deck all metal built chassis. Highest quality head/electronics. Digital counter (does time remaining of tap Auto punch in rec. 1/2 speed forward and reverse editing. Fade in/out of recording, blank skip. Dolby B,C. Excellent condition all cleaned serviced, excellent rec play performance. Better than most Nakamichi.

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Yamaha TC-920B Stereo cassette deck

Audio Proz Inv #: 28111

Excellent condition. Front panel mic or line recording, balance trim bias fine trim, subsonic, filter , focus, dolby,mpx filtering, fast and slow metering, adjustable input,and output levels, time, record, flourescent metering, punch in recording. Meters read 2db low, ok to record peaks in +2db Replaced main belt cleaned switches, pots, and faders, replaced and tightned fuses. Excellent performance, very servicable deck!!

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Nakamichi DR8

Audio Proz Inv #: 41690

Dolby B/C (with special circuit, easily modded to record like HX Pro!), super quality deck, 1 head single direction mech. Record punch in. Front panel bias, auto repeat, auto timer record/play, metal tape. Virtually unused, #9 condition. Excellent!

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JVC TD-W709

Audio Proz Inv #: 56948

Dual well cassette deck. Silver/grey face unit with digital display and independent basic functions on face. Features: dual auto-reverse, dual record, dual Dolby NR B/C, HX Pro, A -> B high/low speed dubbing, 1/4" phone and mic jacks on face; Controls: pitch control, balance, input level, mic level. Great low use machine, fully serviced and calibrated. Light wear on top edge of face and cover. Condition: 8

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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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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.


JVC TD-R441

Audio Proz Inv #: 64493

2 Aux ins, Auto-reverse, Digital meter, Gunmetal grey, All service, tested good, Head wear at 70%, Obvious wear, minor scuffs on top case & face, Condition 8-

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Nakamichi MR-1 Pro Cassette Deck.

Audio Proz Inv #: 28207

SN#08337 Front face in excellent condition. Front panel tape motion control, rec time, headphone output with level control, +4dbm 1/4" l+r mic inputs, digital counter, mem stop, front rear line in selector, output fader, l+r input faders, dolby NR, subsonic filter, monitor, EQ, tape type, LED metering, !!pitch control!! Rear panel: ext NR encode/decode str RCA I/O, str xlr +4dbm I/o, str1/4" -10dbm I/O, mpx filter, remote in. 3 space rackmount, 3 head design, completley cleaned serviced and calibrated. unit in mint condition!!

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Tascam DA 20 mkII

Audio Proz Inv #: 28185

Perfict unused condition machine. excellent basic consumer DAT. RCA connections. digital coax out. did update of capacitors for servo drive of motor/head system, excellent smooth operating transport.

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SAE C101 cassette

Audio Proz Inv #: 40516

Three head tape deck. with front panel bias and record levels, digital counter, LED metering. Calibration speed/alignment of heads is excellent. Excellent wow and flutter spec. ( I specialize in restoring items like this (much more in storage) and these are perfectly calibrated with new belts installed. The condition is literally “as new”. The proper adjustments have been made to the spring tension in the idler drive, head retract mechanism (they all need this work at this age point). Be aware, these machines will often fail to lock in play if you try to cycle from FF to Play in one step. Although it is SAE, these were manufactured by Inkel Corp in Japan, which is where a lot of later SAE stuff came from too. They have excellent audio performance; similar to a Teac 122 or Nakamichi.)

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Advent model 201A

Audio Proz Inv #: 40599

Good cosmetics. Latest version sandust head. Completely clean calibrated adjusted by audio pro. Call for advice about this cassette deck. This is a decent, interesting vintage cassette deck. It is perfectly adequate and has a unique sound, but there are many more modern decks available.

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Teac V-909RX

Audio Proz Inv #: 27394

Auto Reverse Stereo Cassette Deck w/ wooden case. Unit is in near perfect mechanical and cosmetic condition! Front panel features: Play/Rec timer, digital counter w/ display options, DBX NR, Dolby B+C NR, auto reverse, fade in+out controls w/ fade speed adjustment, rec levels L+R, memo mark, tape type selection, blank scan, alarm, L+R mic inputs, output level control, optional remote input. Back panel features: stereo RCA I/O. Excellent wow and flutter, rec punch in available in both directions.

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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.


Kenwood KX-79CW Double Cassette Deck

Audio Proz Inv #: 60506

Both decks auto rev, one records, better quality machine, better mechanics and belts are perfect. Nice basic functions. Actually excellent auto reversing deck, calibrated for Maxell XL II tape, speed test & calibrated perfect, excellent wow and flutter, full cleaning, oil motors excellent condition and QC.  very good quality transports, #9 condition.

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Luxman K-240

Audio Proz Inv #: 41123

Excellent fidelity, low use hours (needs service maintenance before sale)

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Nakamichi BX-300

Audio Proz Inv #: 61776

Discrete 3 head cassette deck. Direct drive/double capstan microprocessor control. Pitch control, Dolby B ,C, MPX filter, Headphone out with level control. Very low use unit. Best quality machine. Fully serviced, cleaned, calibration is excellent. 9+ condition.

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Yamaha KX-W162 Dual cassette player

Audio Proz Inv #: 56619

Excellent performance with Dolby B&C noise reduction and a nice, basic design. (no auto reverse transports) New belts. Very low use, minor stains. Condition: 8-

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Onkyo TA-2200

Audio Proz Inv #: 59075

Headphone, accubias. Variable bias HX Pro. Excellent calibration and speed spec, Maxell tape spec, remote is missing. 8+ condition.

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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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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-FX30

Audio Proz Inv #: 41933

Silver Face, Bar Meters. I, II (use for Maxell), III, IV Tape type Select, Tape Counter, Multicolor/segment Peak Program Meter, Dolby B-C Noise Reduction System, Sendust and Ferrite head, 1/4 inch stereo mic input on front panel, all controls and switches cleaned, belts replaced. Excellent calibration, recent belts and calibration. 8+/10 condition.

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Yamaha K-720

Audio Proz Inv #: 43323

HX-PRO Dynamic Bias Servo. DBX and Dolby noise reduction types B&C. 2 mic inputs. Reverse mode. 110/120/220/240 volt selection. Excellent #9 condition mechanics, #8 condition cosmetics with some minor but obvious scratches. Professionally cleaned, serviced, calibrated. (missing stock item)

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