Audio Proz Service and Sales


Alesis Nano Verb

Audio Proz Inv #: 50902

with power supply #8+ condition clean low use frame

$ 76  Contact Us  

Master Room XL-305

Audio Proz Inv #: 50895

Dual spring reverb with super high quality multi-spring tank, 4-band EQ, matching channel springs. Excellent condition, excellent alignment, very clean condition with scratches only at rack holes. XLR and phone in/out.

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Lexicon MPX 100

Audio Proz Inv #: 50892

Multi effects dual channel processor with power supply #9 condition low use

$ 120  Contact Us  

Loft 450 Phoenix EM450

Audio Proz Inv #: 50437

This is an odd on delay extender board with Reticon SAD4096 chip. New old stock.

$ 120  Contact Us  

GLI Pro EF-256

Audio Proz Inv #: 49045

Multi effect processor unit, similar to 1990's era ART reverbs. Preset multi effects, front panel level controls, XLR/phone/RCA i/o. Hum shield installed by AP. New.

$ 220  Contact Us  


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.


ADS Model 10 preamp board #204-0022

Audio Proz Inv #: 49012

Complete board, excellent condition, tested, pulled from salvaged machine.

$ 66  Contact Us  

ADS Model 10 preamp board #204-41

Audio Proz Inv #: 49011

Complete board, excellent condition, tested, pulled from salvaged machine.

$ 66  Contact Us  

ADS Model 10 preamp board #204-0022

Audio Proz Inv #: 48800

Complete board, excellent condition, tested, pulled from salvaged machine.

$ 66  Contact Us  

Digitech RDS 3.6

Audio Proz Inv #: 48388

3.6 second delay with all analog controls for effects. AP modified for optimum delay fidelity, feedback circuit changed to allow infinite and overloaded feedback, delay time range widened for greater control, unit switches between long and short delay settings. Back panel has complete set of control in/out jacks. Unit does 220/110vAC. Excellent #9+ condition.

$ 240  Contact Us  

Roland SRV 2000 parts

Audio Proz Inv #: 47423

MIDI digital reverb device. Sold as is, intact, very good condition parts machine. Nor rack ears. Available as parts machine, or we can service and restore. Most SRV 2000's cost $160 to $200.

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Lexicon MPX 200

Audio Proz Inv #: 47161

24-bit dual channel digital reverb processor. Does 115 or 220 volt. With box and user guide. Excellent condition with some very minor rack wear. Tested ok. Condition #9.

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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


Digitech RDS 7.6 Time Machine

Audio Proz Inv #: 47119

Delay / Sampler single rackspace unit. Up to seven seconds of delay with modulation effects. Optional foot pedal control of delay and modulation. Excellent #9+ condition, no scratches, with original box and manual.

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ADA 2fx face plate

Audio Proz Inv #: 46924

Replacement face plate for ADA 2fx multieffects unit. Excellent like new condition. (we are very familiar with servicing these units call us directly 617-926-8020 for more information)

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Biamp MR140

Audio Proz Inv #: 46261

Spring reverb with 4-band equalizer. Special modification to improve signal to noise and dynamic clarity of spring resonance and chassis dampening. Very good condition. This mod is also available for your spring reverb look here for more info: 

$ 260  Contact Us  

DeltaLab ADM 456

Audio Proz Inv #: 46257

Three delay lines in one rack unit, in series, parallel, or stacked for an acoustic time correction. 5,10,20,40,80 millisecond increments, up to 160ms total possible delay. Great for sound reinforcement in a church, hall, etc. Like new, mint condition.

$ 180  Contact Us  

Ibanez HD1000

Audio Proz Inv #: 45912

Single space rackmount delay line harmonizer. Has live time controls for all functions, LED display, and can be footswitch bypassed. Phone jacks in/out. Excellent #9 condition.

$ 180  Contact Us  

Master Room XLR-404

Audio Proz Inv #: 45267

Dual Spring Reverb, 4 band EQ, Phone Jack in and outs, in 2 sets of Hammond Springs per channel! All tweaked and aligned improved bandwidth/lower noise. Unit in near mint condition #9 Cosmetic, #10 Mechanical.

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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.


Ibanez AD202 Analog Delay

Audio Proz Inv #: 45143

Dual channel delay unit. Channel 1 and 2 level control, tone control, mode select, delay time, speed, width, regeneration, blend controls. Very good #8 condition with some minor marks. Very low mileage, professionally cleaned and serviced.

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Yamaha Rev500

Audio Proz Inv #: 45091

Digital reverb. Very good #9 condition with some very minor scratches. Professionally cleaned, serviced and tested by AP.

$ 180  Contact Us  

Roland SRV2000

Audio Proz Inv #: 44936

Single rack space super reverb. Simulates plate reverb, also capable of infinite reverb. Amazing sound and resonant room equalizer. Excellent #9 condition.

$ 180  Contact Us  

Fostex 3180 dual channel spring reverb

Audio Proz Inv #: 43824

Stereo spring reverb, nice clean/warm reverb character, slightly long decay, long 3 spring pans for each channel, highest quality spring pan and unit uses a high power coil drive for tight bass control, also uses time delay/predelay into reverb pan for improved stereo field density of reverb. Front and rear inputs (1/4" front, RCA phone rear), mix and dry level controls, complete cleaned controls and calibration. No rack ears, but possibly avail (please inquire for details).

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Delta Lab ADM1020 Effectron I

Audio Proz Inv #: 43557

Unit has long echo, short echo, double, and flange settings. Level, Feedback, Modulation, Width, Speed, Output Mix controls, 2/4 input, output repeat and bypass. Excellent #9 condition, completely cleaned and recalibrated.

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Digitech RDS 1900

Audio Proz Inv #: 43433

Modified and improved by AudioPro! Bypass/Repeat Hold, 2-second delay, VCO in, guitar/line level in. With variable gain limiter circuit. Modified for super echo fidelity- 6 to 10 repeats before soft break up. Grainy, lofi echoes are also possible. Modified low noise op amp and power supply. Dry out is effects loop into feedback when "Invert" is switch on! #7+ condition.

$ 280  Contact Us  


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.


Audio Pulse

Audio Proz Inv #: 43355

We have some units available, $100-$200. In need of repair, parts and service are of course available here as well. Non functioning bottom board has shorted tantalum capacitors. #9 condition.

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Electrix Repeater

Audio Proz Inv #: 43337

Bad controls, bad condition power supply, corrupted grounds. Needs parts and repair. Not for sale

Not For Sale  Contact Us  

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