Audio Proz Service and Sales


Electro Harmonix Bad Stone

Audio Proz Inv #: 58447

Phase Shifter Pedal

$ 68  Contact Us  

Electro Harmonix Ring Thing

Audio Proz Inv #: 58446

Single sideband modulator

$ 188  Contact Us  

Fender M-80 pre amp

Audio Proz Inv #: 40369

rackmout version. 2 inputs/stereo out. foot switch/headphones jack w/level control. Effects loop, clean/overdrive controls.

$ 140  Contact Us  

Fender Princeton Chorus

Audio Proz Inv #: 56545

2 channel solid state amp. Channel 1 controls: Volume/Mid/Treble/Bass/Reverb; Channel 2 controls: Gain/Limiter/Presence/Volume. Features Chorus effect with rate and depth controls, and Mono/Stereo effects loops. Has original 2x10 drivers.

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GK MB 115

Audio Proz Inv #: 63935

Bass Combo Amp. Passive/Active 1/4" inputs. Bass, Treble, Hi Mid, Low Mid controls (level). Cabinet has been dampened to improve Bass + smoothness of bass quality. Output: Master control + Boost, Limiter on/off, Horn on/off. Original woofer and Horn sweep tested, all OK. Aux in 1/8", Direct out XLR & headphone out 1/4". Nice sturdy but lightweight textured cabinet, with NEW G&K 200 watt, AMP MODULE INSTALLED #9 condition 

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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.


Gorilla GG-20 Plus mini-guitar amp

Audio Proz Inv #: 54654

Gorilla GG-20 mini-guitar Amp -Speaker replaced with high quality 3-way driver -12VDC optional Power Supply (can run on battery) -#8+ condition minor scuffs

$ 100  Contact Us  

Hartke LH500 Bass Amp

Audio Proz Inv #: 64300

500 watt peak power, excellent super rugged construction, 3 band eq (special switchable eq curves), tube front end pre and limiter circuit, 2 rack space, 8+ condition.

$ 360  Contact Us  

Hopper Pedals

Audio Proz Inv #: 56739

Features 1 single in/out, but allows punch in/off. 1 or 2 effects loops (2 send and returns). Small, well built cast metal box. Does not come with a power supply, but the battery only runs the LED. Condition: 9

$ 48  Contact Us  

Ibanez 12 String Guitar - Acoustic

Audio Proz Inv #: 29554

Natural wood finish, very good shape. Has brighter tone, typical of Japanese guitars of it's era. No case. Contact for more info.

$ 280  Contact Us  

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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Ibanez Tone Blaster Model TB50R

Audio Proz Inv #: 71514

External speaker out. FX loop. 2 footswitch controls. 55W. Spring reverb. Clean & overdrive w/ bass, mid, treble EQs. Warmer sound character, but has nice EQ and overdrive. Virtually no use. Condition 9

$ 188  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.


Korg PC1 Clip-on Tuner

Audio Proz Inv #: 53873

Mini clip-on chromatic tuner for guitar and bass. New.

$ 16  Contact Us  

Korg Toneworks DTR-1 chromatic tuner

Audio Proz Inv #: 48902

Rackmount digital chromatic tuner with 7-octave tuning range, built in microphone, 3-octave reference tone. Like new condition with original box and packing.

$ 140  Contact Us  

Lectrosonics Maxi Mouse various parts

Audio Proz Inv #: 48560

R1379229 dual 100k control $16, R1379238 10k control $8, 3-position switch $6, amp IC TDA2002 $6. Other parts may be available.

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Line 6 Spider III

Audio Proz Inv #: 71736

15 watt, 8 inch driver, has very simple but very nice chorus, tremolo, reverb, tape echo effect, 2 effects at a time, compact 14 inch high cabinet, low use, basic service done, #8+ Condition (CALL FIRST)

$ 158  Contact Us  

Marlboro Guitar/Bass Amplifier #520B

Audio Proz Inv #: 27914

15"inch driver, inputs: bass/guitar/flat. Controls: volume/bass/treble. Modified power supply switch. (3x) ruggedized board, power on indicator lamp, tolex (black) with metal corners. Unit has been double checked.

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Maxi-Mouse 1/4" input jack part

Audio Proz Inv #: 54089

9 terminal switching 1/4" jack for input, closed frame design. Rare part. Actually 3 versions exist. (show us a picture of yours for us to match). Some creative thinking may be needed to adapt wiring or nut mounting. This is the only solution. Used part. Looks good. (1) Board mount version, sits flat on board, 9 legs available for $16. Condition 8/10.

$ 14  Contact Us  


Need your guitar or bass amp tuned up? We have always serviced tube and solid state amps. We now have a new technician especially dedicated to 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


Maxi-Mouse Portable Guitar Amp

Audio Proz Inv #: 39841

Sidewalk Street Performer Guitar Amp, Treated Cone (Latex), w/AC charger. new batteries installed, all switches and controls cleaned, completly serviced, new input jacks installed. excellent cosmetic condition. SN:5903

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Oscar Schmidt Auto Harp

Audio Proz Inv #: 31755

Guitar/Auto Harp

$ 300  Contact Us  

Oscar Schmidt OG20CE TWR

Audio Proz Inv #: 31757

Oscar Schmidt Washburn Acoustic Electric Guitar (V)

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Peavey Bass Mark VI

Audio Proz Inv #: 8741

Bass Amplifier, good cosmetic and mechanical shape.

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Peavey Classic 20

Audio Proz Inv #: 58718

8" Speaker. All tube design. Unit has an easy to overdrive sound character. Tweed cover/skin. Nice for solo lead guitar! 8/10 condition overall. Circuitry in #9 condition. Tweed in #7 condition.

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Peavey Decade

Audio Proz Inv #: 14006

Small Guitar Amp (8" Driver 10w) with overdrive channel

$ 100  Contact Us  


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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.


Peavey PA-100

Audio Proz Inv #: 24731

Mixer Amp, Combo Design - Ch 1-3 for keys, bass, etc., Ch 4 is Hi Gain for Guitar, Spring Reverb

$ 150  Contact Us  

Peavey Rage 158

Audio Proz Inv #: 25617

Guitar Practice Amp, Clean and Lead Channel, Transtube solid state technology, controls and switches cleaned and lubed

$ 90  Contact Us