Audio Proz Service and Sales


Marantz MR 1150

Audio Proz Inv #: 60608

Silver face silver analog dial Receiver, Tape monitor, tape copy, low filter, FM muting, bass/mid/treble/balance. AM/FM/Phono/2 Tape /1 Aux inputs. Headphones jack. Right+Left power level meters. 40 Watt per channel. Cleaned & serviced, functionally works very well, clean interior, modification of level control for better noise floor and volume use, cosmetic condition is fair to good, some minor scuff on face and knobs, wear on faceplate, wood cover,  meters look good. Minor debris in meter. #8+ condition

$ 338  Contact Us  

Marantz MX 545 w/Satellite Speakers

Audio Proz Inv #: 70673

70 watts per channel. Multi function. 2 cassette, 3 CD mechanism, 1 RCA aux input. Remote included. 3 Way satellite speakers 6 ohm with standard 2 wire connector. Low use. Condition #9.

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Marantz RS-3555

Audio Proz Inv #: 63188

50 Watts per channel, actually top quality machine. Audiophile grade amp and circuit. But tone control and balance control do not work due to previous service attempt which cracked solder footing on bottom. But unit functions with perfect fidelity. totally ok on all accounts, remote included. #7 cosmetically, machine #9. (with box & packing)

$ 148  Contact Us  

Marantz SR 4000

Audio Proz Inv #: 63654

Stereo Receiver, Silver faceplate, Gyro tuning knob. A and B Speaker outs. 2 Tape dub. Nice FM Meter and audio power meter. (no dial or meter lamps) Low use unit, all serviced with new speaker relay. Cabinet top is a little worn, #8+ condition 

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Marantz SR-18 AV Surround Receiver

Audio Proz Inv #: 55973

Silver and Champagne cosmetics. BIG WATTS ! 140w x 4ch  (Unit has no center channel output) .(6) audio inputs (4) Digital In's   NO PHONO / no HDMI Minor scratches and dents on cover, face. 8-/10 condition. (Remote is available #61570 for Volume and some select features- additional $36)

$ 220  Contact Us  


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.


Marantz SR-560

Audio Proz Inv #: 41115

Excellent cosmetics. 16 station presets. Inputs: Phono/cd/vid1+2,tape.

$ 140  Contact Us  

Marantz SR-6300

Audio Proz Inv #: 70343

AV Surround Receiver, 6.1  system 100 watts per channel.  Dolby Digital - EX & DTS ES Decoding. 9 line inputs TV, DVD, VCR 1, DSS, AUX, CDR/MD, TAPE, CD, Tuner, Composite &SVHS only(No Phono no HDMI)  Low Use unit, with better Quality Relays. (NO Remote)  #8 condition 

$ 168  Contact Us  

Marantz SR-68U

Audio Proz Inv #: 64122

Nice basic high quality 2 Channel stereo only unit. Audiophile quality amplifier with upgraded relay installed.  Phono, Aux, CD inputs. Tape monitor and Pre amp output. 2 speaker capacity. With remote control, volume and all other functions. Owners manual is supplied. Cleaned and calibrated #9 condition

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McIntosh 1900 solid state receiver.

Audio Proz Inv #: 28268

unit in mint cosmetic condition. feartures tape 1&2/am/fm/phono 1&2 functions. has 3 speaker outputs.

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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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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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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.


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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Mitsubishi DA-F20

Audio Proz Inv #: 26194

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

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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  

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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NAD 412

Audio Proz Inv #: 49914

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

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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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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.


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  

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 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 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 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 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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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 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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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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