Audio Proz Service and Sales


Nakamichi Statis TA-3A

Audio Proz Inv #: 58225

Nice basic design, Nice EQ, phono CD, 4 tape inputs, REC Select. Main in/out for EQ 10 FM Preset. New update, better relay with remote, low use, all serviced. #9+

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Nakamichi SR-3A

Audio Proz Inv #: 58568

Audiophile great amplifier. 5 tape/VCR moniter settings. 4 input selector settings. Independant speaker power switches. Tone and subsonic on/off. 10 FM presets. Moving coil input. High quality phono section. Excelent tuner. Face is mint. Low use. Excellent condition. Completely cleaned/aligned.

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Nakamichi SR-2A

Audio Proz Inv #: 70479

Receiver is being sold as INTEGRATED AMP. Tuner is weak, display is weak. AMP ALL OK (40 Watts per channel). Good condition. Excellent PHONO, CD, AUX, TAPE. Nice cosmetic (Japanese made version). 7 Condition.

$ 118  Contact Us  

Nakamichi SR-2A

Audio Proz Inv #: 64490

Black face better Japanese version, 40 watts /per channel. Tape monitor, Aux, CD, Phono-(excellent),  Update relay, FM display is weak by design, All service done, ruggedize board soldering. Low use machine.  Condition #8+                                       

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Nakamichi Receiver 2

Audio Proz Inv #: 72904

Nice, modern looking black receiver with digital display. AM/FM tuner, CD, Phono, Video, and Tape. Tape rec/ play. Tuner has saveable preset memory. Relays recently cleaned, boards were inspected & Resoldered. Independent speaker relay (A+B). Preamp in/out. Excellent FM, some basic mods, relay updated. Better version Taiwan made unit. All service done. Very clean faceplate and covers. No broken or damaged parts, some minor signs of wear and age. Fully functioning unit. #9 condition

$ 388  Contact Us  


We are a very different kind of shop. To help ensure a smoother experience please read our letter about our current shop policies.

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.


Nakamichi RE3 AM FM Stereo Receiver

Audio Proz Inv #: 63191

 Black Slim look 50 watts channel,well design amp, phono, 3 AUX ins Nice basic machine, display is faint but readable. Audio Pro cleaned and serviced. #7 condition.

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NAD T-754 AV Surround Receiver External 7.1

Audio Proz Inv #: 72676

Top quality design/ built version of NAD. Tone control, tone defeat, surround modes, level controls. , S VHS Input, component video in. Check internet for list of features as this unit has many. Relays tested, in excellent, clean condition. Basic testing done on machine, tested OK. Did not test all OUTS but looks good. Includes original remote.#9+ Condition

$ 300  Contact Us  

NAD Stereo Receiveer 7020

Audio Proz Inv #: 59423

Phono, Aux, AM/FM, Bass, Treble controls, Headphone jack, Interior and exterior are both clean and in nice condition, some very minor wear. FM align cleaned, tested 3/28/16. #9 condiditon

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NAD Model 712

Audio Proz Inv #: 42542

With AM/FM tuner, aux input, CD, LD, video, tape 1/2. No phono input (contact us for add-on options for phono pre). Top quality sound and build quality, excellent FM tuner. Two sets of speaker outputs (switchable), basic styling. Complete cleaning, check. Unit in perfect condition.

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NAD L 40 CD Receiver

Audio Proz Inv #: 70535

Combo unit. CD player, FM tuner and amplifier all in one chasiss. Very easy to use styling. Display is faint by design. Unit shows low use. Has had basic maintenence and special re-soldering of crucial areas of circuit boards.  #9 condition

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NAD C740

Audio Proz Inv #: 64449

AM/FM Receiver Charcoal Grey Face Panel. Inputs: Tape 1, Tape 2, Tuner, Aux, Video, CD, Disc (Line Input). No Phono Input. Bass, Treble + Defeat Switch. Balance Control. Speaker Switch: A+B. Note: "Power On" controlled by function buttons. Refurbished Relay. No Remote. #9 Condition!

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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.

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.


NAD 7250pe

Audio Proz Inv #: 52289

Japanese version AM/FM digital receiver with 10 station memory presets. Video, CD, tuner, phono, aux inputs; A/B/A=B speaker outputs; external processing loop. Excellent version receiver! Mint condition cosmetics, fully cleaned/serviced/tested by AP.

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NAD 7220PE Stereo Receiver

Audio Proz Inv #: 72907

Classic NAD design, Digital AM/FM display, Phono, CD, Video (aux) & 1 tape loop. Soft clipping switch on back panel. Audio Pro serviced, cleaned all switches and controls, check test phono and line in's, amp bias all Ok. FM tuning must be on odd numbers 104.1, .3.5.7 etc. (Speaker B is set to operate as MAIN speakers, and  engaging "extra speaker" button will mute output to allow headphone listening. Speakers A are set to always be on.) #8 condition,  some ware on face and minor scratches on top cover.

$ 288  Contact Us  

NAD 7220-PE

Audio Proz Inv #: 40956

NAD 7220-PE Stereo Receiver. Digital AM/FM. Soft Clip Amp Circuit. 1 tape, 1 video audio, 1 CD. Loudness, 2 speaker, 40+ watt per channel, with all NAD updated, mint condition #9

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NAD 7155

Audio Proz Inv #: 72391

70 Watt per channel, excellent best series design from NAD, has moving coil preamp board installed, Japanese version with better grade parts and Nichicon capacitors and boards, connectors etc. double up power switch, clean all controls 2 times, some updates of capacitors and touch up ruggedize board soldering at amp board and regulators circuits, upgrade speaker relay. Memory battery okay. FM calibration is excellent,.. unit in very low use condition, was stored for years due to minor problem. Condition #9

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NAD 7150 AM/FM stereo receiver

Audio Proz Inv #: 61028

(green digital display), 2 speaker selection, bass treble controls, record out selector, MM/MC input, 2 tape, phono, tuner aux, loudness, pre-out main-input, dark gray panel, 16.5"w x 3.75"h x 13"d, low use, better caps (Nichicon), installed 8 amp, upgrade relay, complete service, FM calibrate #8+

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NAD 7140 Stereo Receiver

Audio Proz Inv #: 72821

Gray face with digital display. Relay replaced & Modified with ground wire. Soft clipping controlled by selector switch. Mono/ stereo bridging function. 4/8 ohm impedance selector switch. Very clean, low use unit. Cosmetically excellent with no broken parts. All controls & connections very clean. Unit only shows minor signs of use. Unit functions excellently. Relay was modified with ground. #9 condition.

$ 348  Contact Us  


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.


NAD 7130

Audio Proz Inv #: 72145

Basic receiver, CD, phono, aux, tape inputs, soft clip circuit, FM calibration, 5 preset FM, 50 watt per channel, Taiwanese made, ruggedized board soldering, upper right hand front panel chipped, unit has low use time, removed connector glue, some basic NAD and A.P. updates, some capacitor changes, condition #8+

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NAD 412

Audio Proz Inv #: 49914

Excellent condition stereo tuner with new bulbs and excellent FM alignment.

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NAD 3300

Audio Proz Inv #: 27305

Unit is in excellent cosmetic condition. 2 speaker channels, bass EQ selection with sweepable 50Hz, 120Hz, and 250Hz ranges. Sweepable treble control with 3kHz, 6kHz, and 12kHz ranges. Tape copy selection with 1 to 2 and 2 to 1 options. Monitor 1 and 2 selection. Back panel connections, phono in with cartridge type selection. Tunier in, vidio in , DC in, Tape 1 and 2 in/out, main in, pre out. Unit needs many parts to repair amplifier section

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Mitsubishi DA-R15

Audio Proz Inv #: 61738

Vintage receiver, Silver face, Wood case look, Analog controls, Digital tuner, Phono, 2 tape, aux, 2 independent speaker channels, Very low use, All serviced, 50 watt amp. Condition #9

$ 328  Contact Us  

Mitsubishi DA-F20

Audio Proz Inv #: 26194

Digital/analog design, superior quality timer did excellent FM alignment, excellent cosmetics.

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McIntosh MAC 4300V

Audio Proz Inv #: 64435

Superb sounding AM/FM tuner receiver. Large display with red L.E.Ds. 5 band EQ (30/150/500/1500/10k). 3 speaker outputs. Variable loudness control. Inputs: CD, FM, AM, Aux, TV, Laser, Phono. Original HR 4300 remote included. Fully serviced. Very good condition #9 condition. 

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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.


McIntosh Mac 4100

Audio Proz Inv #: 55387

Aux 1/ Aux 2/ AM/ FM/ Phono 1/ Phono 2 inputs/ Tape 1/2 monitor, Tape 1/2 copy buttons/ Mono/ FM mute/ Speaker 1,2,3, buttons/ 5 band equalizer knobs/ Balance/ Loud/ Volume controls. 1/4 inch tape 2 in/out, 1/4 headphone 1/2. Super FM alignment. Silverface unit with black display case in #9 condition; extremely well built, low use time, fully serviced and calibrated. *Has copy of owner's manual.

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McIntosh Mac 1500 Receiver

Audio Proz Inv #: 54867

High quality tube receiver. Aux, FM Mono, FM Auto, Phono 1, Phono 2, Tape. Stereo/Mono switch, Tape Monitor in/out, LF/HF Filter Switches, Muting In/Out, Loud In/Out switches. Bass and Treble, Balance L/R, and Volume knobs. Silver Face in wood case. Just fully serviced. FM calibration. Helper caps added. Service history included. Includes owners manual.

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