Audio Proz Service and Sales


Pioneer SX-727

Audio Proz Inv #: 53889

Classic vintage receiver. Silver face panel with Blue lighted dial and Walnut case. 2 sets of speakers - Uses special connectors - 2 provided.  Unit in good working order. Controls : On/Off, Bass, Treble, Balance, volume, Inputs: Aux In, phono 1&2, with 2 Tape monitors. Excellent Tuner. FM calibrated and aligned - Cleaned, gone over and updated. Improved Diff  amplifier transistors.  Scaled volume control for better level setting. Minor Power supply updates. Replaced meter lamps with cool blue bulbs. Face panel has 2 different blue bulbs. Unit has seen virtually no use.  #9 condition (almost mint, except case has few scratches on wood). (For Local sale only)

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Luxman L480

Audio Proz Inv #: 60446

Integrated amp. Unit has 2 tape source inputs. 2 dubbing inputs, 60 watts per channel, has moving magnet and moving coil cartridge inputs. Nice rosewood case. Tuner and auxiliary inputs. Pre amp in/out amp loop. Nice silver slimeline face. All switches and controls cleaned, updated speaker relay. #9+ condition.

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Acoustic Research Model 8.3 Phantom

Audio Proz Inv #: 60535

(Pair) Slim line aluminum cabinets. Mirror image placement of speaker drivers. Replaced with softer dome midrange nicer audio quality for audiophile range. Added cabinet dampening. #9 condition

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CAD Trion 8000 Tube mic

Audio Proz Inv #: 46246

Three position pattern tube microphone. New stock, tested, QC'ed, and burned in by AP. Low noise tube. Includes flight case, shock mount, cable, and power supply. Selected low noise tube, we recommend this mic for vocals, and acoustic instruments. #10 condition Call for best pricing!

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Pioneer RT1050

Audio Proz Inv #: 53352

Large reel, 7 1/2 and 15 IPS. High speed semi pro version 1/4 Track. Stereo format. With pioneer hub adapters in pioneer road travel case. Bias 2 for high speed, bias 1 for 7 IPS. All clean. Calibrated. Modified for better HF EQ. NICE. 9+ condition. Speed runs 1% fast by design.

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Need your guitar or bass amp tuned up? We are now doing repairs, upgrades, and modifications to all types of guitar amps. Orange, Mesa Boogie, Fender, Marshall, Hughes and Kettner, Peavey, Ampeg, Gibson, Silvertone, etc. Read more about it here


Sonic Frontiers Line 1 Amp

Audio Proz Inv #: 63522

Tube preamplifier, with a spare E88CC tube and garden hose style Essence AC cord. This unit has (4) JJ 6922 tubes from original design, and (2) 6DJ8 vintage (looks to be Mullard from Great Britain) installed in later stage for better harmonic distortion levels (about .1%). This unit is in #9+ condition!

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Mitsubishi DA-A10

Audio Proz Inv #: 59763

Dual monaural construction. Stereo power amplifier. Back panel level control, 2 way speaker switch. New capacitors installed, including bypass capacitors. Good quality relays UPDATED. Nice condition, low use time. 9. We can do a capacitor rebuild on this model for $200-300.

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Philips 212

Audio Proz Inv #: 61094

Turntable with 33/45 speeds & separate pitch controls.New Audio Technica 311EP cartridge installed. (sounds great!) Fully serviced, new power on switch installed, all balanced /calibrated. Minor wear on front & sides, dust cover nice but minor paint stains, machine polished to look best.#8+ condition unit.

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Klipsch KP-250 IIA

Audio Proz Inv #: 32062

Pro Box, 12" woof, 3-way design 2 horns mid and hi, recessed carry handles, recessed cup hole for "large" pole stand, banana and speaker inputs, composite corner and edge protection, 60 lbs each, AP added 1/4" input connection, selling as pair, will sell one for $500.

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Tascam 22-4

Audio Proz Inv #: 53775

4 track, pinch control, smooth running, transport heads 90% or better. Low, 7 inch reel. 7 1/2 IPS 15 IPS excellent performance. Recent new belts, pinch roller, complete/calibration. Setup for ampex 456 maxell UD tape. 9 condition.

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Teac A-3440 4-track recorder

Audio Proz Inv #: 47596

1/4" 4-track tape, with 10" (hub adapters may be available- for additional cost). 4-track simulsync machine, 7.5/15 ips. Calibrated for Maxell UD XL Ampex 456 tape. Excellent cosmetic and mechanical condition, professionally serviced, thoroughly tested, with new belt, new pinch roller, 80% good heads, (original box and packing probably available). now #9 condition

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We know you have many options for purchasing audio equipment and parts, and we truly appreciate your business.  We strive to offer good products at competitive prices.  While we can't always match the prices of one isolated reseller, we make up for it by carefully selecting, testing, and finding unique and special rare parts, and we are here for the long run.  We guarantee everything we sell and we hope it helps you to enjoy a great listening experience.

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.


Art Pro VLA II

Audio Proz Inv #: 59467

REV2. NEW. 2 Channel vactrol compressor. With 2 channel modified with compression EQ. Condition: 10.

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Nakamichi DR-3

Audio Proz Inv #: 60128

Type I II IV tape selector, Bias tune control, digital counter repeat/play/record selector, Dolby NR MPX Filter. Headphone jack. Calibration perfect for maxell tapes type II. Excellent working and cosmetic condition, very clean internally and exterior, very minor scratches, Obvious multiple scratches on case cover.  Virtually no use time. #9- condition

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ART Pro Channel

Audio Proz Inv #: 43860

Tube microphone preamp. Audio Pro Modified for tube harmonic enhancement circuit, high quality USA Sylvania 12AX7A tube, also has IN/OUT phase, second harmonic enhance Control. Six stage tube design for preamp, compression, and equalization. New stock fully QC'ed. With true tube "Gain Cell" compressor. Super spec unit.

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ART Pro MPA

Audio Proz Inv #: 50897

Two channel microphone preamp with analog VU meters. 1/4" and XLR in/out, switchable gain, phase and Phantom, HPF adjustable 65Hz to 7Hz. With "Pultec" style cap and coil dynamic equalizer circuit. Excellent condition.  This unit has been heavily modified.  Read more about the modification here.

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Otari MX 5050 B2 HD

Audio Proz Inv #: 53600

2 track rec play, 4 track play head. Low use but much finger wear from editing face #7 condition. #8 mechanical heads 90% good. SN 18302122. #8 condition. Cleaned. Calibrated. Edit, speed switch replaced, some lettering worn away at function buttons. Calibrated for Ampex 456, Maxell.

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CAD D82

Audio Proz Inv #: 58134

matched pair can be made avaliable for $160 each or $310 the pair. Ribbon microphone. Figure 8 pattern. Very highly recommended ribbon mic. New in box.

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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 CD 5001

Audio Proz Inv #: 60651

Basic but well done Sony redesign. A-B repeat. Plays text read out. Slim line black. Remote dim of face read out. Plays CDR and damaged discs. Cosmetically perfect. Calibrated and cleaned. Condition 8+.

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Yamaha YP-450

Audio Proz Inv #: 58181

Manual only with cue. Long arm Turntable. Wood Base. New Audio Technica 311EP cartridge installed. Dust cover is in 7/10 condition (has obvious scratches). Turntable in 9/10 condition overall. Improved grounding and dampened and decoupled arm to lessen microphonics.

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Otari 5050 B-2HD

Audio Proz Inv #: 57447

2 track 1/4 record play. Has switch on top of head with internal speed switch - does 15, 7 1/3, 3 3/4 (internal switch reset motor speed). Has old side Otari press fit hub adapters. Heads are 75% good. Unit has been cleaned and calibrated; we re-soldered the power supply board and motor board; calibrated to semi-pro level for use with all kinds of tapes. All mechanics are good. Better side boards. Face cosmetics are nice. Overall, there is obvious wear all over, but this is a good performing machine. #8- condition

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DBX 3BX Series I

Audio Proz Inv #: 58712

3 band dynamic range expander. 0-50% expansion. Gain exchange LED system. Transition level fader module. Easily understood recording functions. Beautiful stained wooden panels. 9/10 condition (all clean calibrated).

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Yamaha CR-640

Audio Proz Inv #: 57692

Stereo Receiver, silver face wood case, 2 speaker switcher, high/low filters, nice tone control, multi selector input, record out select, 40WATTS per channel. 7+/10 condition, minor stains on knobs, FM center meter is non-functional, complete service clean, power supply ground mods etc, updated STK drive and IC. Unit has seen virtually no use time!

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Marantz 6300

Audio Proz Inv #: 61702

Direct Drive. Auto Shut off, Pitch control, Can be operated manual/auto functions. *Needs Felt Stacked on Each Foot before sale, customer request. Note: unit hypersensitive on shut off @ end of record. Headshell has Shure V15 III, no stylus-Technics, headshell can also be fitted. No dust cover. #9 condition 

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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.


TEAC A-3440 Multitrack Series

Audio Proz Inv #: 59004

4 track simulsync 1/4 inch tape. Pitch control. Metal Reel, Pitch Control, Hub Adapters, All channels within 1db tracking. Complete clean calibrate (1 meter replaced) 8/10 Condition, heads are at 85%, no feet on back or bottom #8+ Condition

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Beyer M 69 N (c)

Audio Proz Inv #: 59267

New in box W/ Spec Papers. Product from 20 years ago. Comes with Beyer Mic Holder. SN #: 53464. Part of shop owners personal collection. tested OK #10 condition

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