Audio Proz Service and Sales


Optimus 10 Band EQ

Audio Proz Inv #: 61032

Model 31-2025, decent quality design, 2 tape dubbing, image expander circuit to improve stereo ambient field, slim line, very good low noise design, good RCA connector, low use, all faders, in excellent condition, complete service / clean, #8

$ 166  Contact Us  

Ashly SC-44 "Keyboard Input Processor"

Audio Proz Inv #: 51396

4-channel mixer with 3-band sweepable equalizer per channel, PA send, and separate monitor send. 3-rack space unit. Excellent condition, cleaned, serviced, tested.

$ 160  Contact Us  

Tascam EX-20 / Tascam PE-20

Audio Proz Inv #: 17725

Tascam EX-20 Expander, 4 channel, XLR/Phono I/Os, Bus I/O (phono), phono dir out, Trim/Aux/Aux pan/Pan each with own volume / Tascam PE-20, Parametric EQ, all phono I/Os, High/Mid/Low pots with levels, 4 channel - - **$150 for the pair**

$ 150  Contact Us  

ART EQ341

Audio Proz Inv #: 57765

Dual channel 15 band graphic EQ. *Single rack space. Balanced XLR Ins/Outs, unbalanced RCA Ins/Outs +/-6db or +/-12db levels. Level and bypass per channel.  3 year warranty New in Box  Call for better pricing 

$ 148  Contact Us  

ART EQ341

Audio Proz Inv #: 70530

Dual channel 15 band graphic EQ. *Single rack space. Balanced XLR Ins/Outs, unbalanced RCA Ins/Outs +/-6db or +/-12db levels. Level and bypass per channel.  3 year warranty New in Box 

$ 148  Contact Us  


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.


Korg KEC-42

Audio Proz Inv #: 17896

EQ/Compander, 4 channel EQ, midrange sweeping and side chain expander/compressor etc., stereo compressor

$ 130  Contact Us  

Ashly SC-70

Audio Proz Inv #: 48132

3-way crossover with modified ADD board for subwoofer out; effectively now a 4-band crossover. Completely cleaned, serviced, tested. Good #7 condition with much wear at rack edges, but all controls are tight and clean.

$ 130  Contact Us  

Teac EQA-10 Graphic Equalizer

Audio Proz Inv #: 72307

Stereo 10-Band EQ with DynamicLED 10 Band Display, 2 Line inputs + slim line 1 tape input, basic cleaning and testing, Condition #9 Virtually no use time

$ 128  Contact Us  

Ibanez GE3100

Audio Proz Inv #: 42831

1 rack unit, 31 band equalizer. +/-12 or +/-6db range, will do +14dbm out. Phone in/out. #9 condition, all cleaned and calibrated, low use time.

$ 120  Contact Us  

DBX 2031

Audio Proz Inv #: 64000

31 band with DBX limiting VCA and noise reduction circuit. High quality design. Cleaned, Calibrated, known low use. #8+ condition 

$ 118  Contact Us  

DBX 2031

Audio Proz Inv #: 64002

31 Band EQ with III NR and limiter. Faders are perfect. #9 condition. Cleaned, calibrated, low use. 

$ 118  Contact Us  


OUT OF STATE CUSTOMERS:
Contact us if you are interested in purchasing an item.
We prefer PayPal payments.
We only ship to VERIFIED PayPal Addresses
For customers who do not have a PayPal account we also take Credit Card over the phone.

Please be aware that there is a minimum $4-$6 to ship any part.


AGI 11 Band

Audio Proz Inv #: 63723

Stereo unit,  in walnut compact box, odd compact design. 20 Hz, EQ level. Pro level use but RCA type connectors #8+ condition.

$ 108  Contact Us  

Ibanez GE3100

Audio Proz Inv #: 42832

1 rack unit, 31 band equalizer. +/-12 or +/-6db range, will do +14dbm out. Phone in/out. #9 condition, all cleaned and calibrated, low use time. New lower price!

$ 90  Contact Us  

Realistic Stereo Parametric EQ

Audio Proz Inv #: 40905

3 band eq Runs on 9v supply, or AA batteries.

$ 80  Contact Us  

Summit EQP-200a output amp module

Audio Proz Inv #: 51880

for balanced line drive. Black color, 1" square. New.

$ 60  Contact Us  

Symetrix 532 E

Audio Proz Inv #: 63993

Dual 31 Brand EQ, Top board has broken faders and some minor issue with noisy OP AMP. Needs Replacements board is best easy fix. Unit is in excellent cosmetic condition #9, but failed 1 channel. Will sell for faders or board. 

$ 48  Contact Us  

SAE 2900

Audio Proz Inv #: 54582

Black face plate only. Excellent condition, no rack rash. Ving minor dings at edges, one tiny scratch at face. Low use, all lettering perfect. minor wear around edges, #9.

$ 28  Contact Us  


All Remotes are now 25% off or Free Shipping!!!  (Reel to Reel remotes excluded).


SAE 2900 and others

Audio Proz Inv #: 54579

100k dual ganged fader used as frequency control on the 2900. 2 available, #9

$ 24  Contact Us  

SAE 2900 and others

Audio Proz Inv #: 54580

50K faded used as lo/hi frequency control in 2900. 2 available, #9 condition. $24 each.

$ 24  Contact Us  

DG211J IC

Audio Proz Inv #: 47774

Special audio attenuator IC for DBX and others.

$ 18  Contact Us  

Furman SG-10 knobs R1378549 FS3001

Audio Proz Inv #: 50433

We have NOS knobs available for Furman SG-10 and others. Dual controls $12, single controls $8.

$ 12  Contact Us  

Furman SG-10 Equalizer Fader

Audio Proz Inv #: 72298

With red knob. (3) available. New, #10 condition. $12 each.  (Used in Para-graphic equalizer)

$ 12  Contact Us  

Tapco 2200 Graphic Equalizer

Audio Proz Inv #: 27327

Rackmount 3 space, may be in working condition (unknown), but needs cleaning. Stereo (20-40, 60, 120, 240, 480, 960, 1920, 3840, 7680, 10k-20k) 10 band EQ. L/R analog needle type input/output (switchable) meters. L/R fader type output controls. 1/4" unbalanced in/out. XLR balanced L/R in/out. A few faders broken off at end, but still functional mechanically. $10 take as is, or use for parts.

$ 10  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.


Bose 901 and EQ

Audio Proz Inv #: 57722

Bose 901 Series I Speakers, the original, and EQ. EQ is in virtually unused condition, but the connectors have typical oxidized RCA. Use tight RCA and it is no problem.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Luxman G-120A

Audio Proz Inv #: 47437

10 band stereo equalizer, excellent design. Silver face, rosewood case. Professionally cleaned, serviced, calibrated, excellent #9 condition.

SOLD  Contact Us  

Contact us about similar items or replacement parts.