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!
7 Band (per channel) Graphic EQ - RCA in/out (EQ), Tape in (in), Tape rec (out) RCA - Basic but high quality EQ design - Grey face, minimalist design, all bulbs work - Input selector, (source/tape) - Condition: 9, (All controls & connectors work well and are clean. Cosmetically excellent with only minor signs of wear. All lights work, all screen-printed parts on face are clean & unworn)
Local customers, please do not come to the shop without calling ahead first - (617) 926-8020 - for an appointment, so that we can more efficiently help you with your equipment or sound recording needs. We keep our database up to date with over 10,000 items in stock.
If you see a part number and a price, we have that item in stock.
Customers outside of the U.S., please note that international shipping can be costly (US Post $24 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.
Summit EQP-200a output amp module
# 51880
For balanced line drive. Black color, 1" square. New.
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.
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.
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.
3 rack space 8 band EQ. Has quality DB faders, tuning controls for every 150Hz of standard 20 to 20K spectrum, range switches, and Hz filtering for high and low power ins and outs. Very minor wear, overall good cosmetics. #8 condition
Local customers, please do not come to the shop without calling ahead first - (617) 926-8020 - for an appointment, so that we can more efficiently help you with your equipment or sound recording needs. We keep our database up to date with over 10,000 items in stock.
If you see a part number and a price, we have that item in stock.
Customers outside of the U.S., please note that international shipping can be costly (US Post $24 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.
Orban 674A and 424A modifications
# 47995
We repair and modify Orban products! We have a limited availability of parts for service, please contact us directly.
Excellent condition parts machine. Unit has failed, locked up display microprocessor. Good for hobbyist or someone looking for face plate, knobs, power supply, etc. AudioPro could also fix this unit for on request.
4-channel mixer with 3-band sweepable equalizer per channel, PA send, and separate monitor send. 3-rack space unit. Needs board soldering (old foam corroded foils, requires major take apart 02/25)
10 band (mono) Parametric EQ, single rack. Bizarre modification redesign by A. P. Owner to make into 10 Harmonic Equalizer to create 2nd and 3rd harmonic enhancement XLR and 1/4 in/out. 1/4 Aux out can change the timbre of any signal. Engineering model #8 condition
Graphic EQ with real-time spectrum analyzer. Unit has many useful features. EQ on/off, EQ > REC on/off, Tape Monitor, Separate Left/ Right 10 band EQ with excellent frequency response. Spectrum analyzer with oscillator & Pink noise generator. Heat syncs added to regulators, regulators soldered to be more rugged. Unit is in excellent condition cosmetically and functionally. All controls are smooth & clean. Spectrum analyzer display is bright and accurate. Faceplate is very clean. Unit has seen minor signs of use, light surface scratches & fading from age. Very high quality equalizer. #8+ condition
Local customers, please do not come to the shop without calling ahead first - (617) 926-8020 - for an appointment, so that we can more efficiently help you with your equipment or sound recording needs. We keep our database up to date with over 10,000 items in stock.
If you see a part number and a price, we have that item in stock.
Customers outside of the U.S., please note that international shipping can be costly (US Post $24 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.
5 band sweep EQ with high/low level inputs/outputs 1/4" TRS. Modified power supply, upgraded capacitors, RF ground wiring upgrade, high/low phone jack inputs modified to allow 2 signals to be mixed in. Super accurate controls, used as shop owner's personal mastering EQ. Condition: 9
Active equalizer. Completely rebuilt, updated for improved performance. Replaced all IC's with TL072, New filter caps on power supply (1000uf/25v), new caps on equalization circuits 22uf/25v NPS. Used good condition, small chip on left corner #9 condition (We repair/ service this as well as the other version BOSE Eq. )
4 Band Parametric. 4 Channel of EQ. Fully sweep range, excellent quality. RCA in/out but unit will do +14db, #8+ Condition, no rack rash, 1 incorrect knob top. Update P. S. Grounding. Clean all controls, switches, 2 times. Aside of the fact these equalizers are on of the best ever designed, be aware, most PE-40 if roaded or excessively used do require in depth cleaning of all controls, switches, sometimes replacement of controls if damaged. This can require some time consuming dismantling. Some people want these in perfect working condition, others might find problems at bargain prices. We deal with the former, not with the damaged goods. All units are serviced, cleaned checked and come with a warrantee.
