Modified with special footswitch to select channel--Call for details! Very good #8+ condition. Professionally cleaned and serviced.
Sweep graphic equalizer. Mono/Stereo, 5 band, lo cut switches for left and right, input level controls. Black face with red knobs. Tiny scuffs on face, low use unit. Engineering sample, AP mods: Power Supply, improved grounding/shielding, Mid/Hi filters. Condition #9.
27 band Graphic equalizer. Input attenuation, high pass filer(40, 80). Transformer I/O. Best quality design. 8+
Amazing low noise/diffusion, XLR or RCA, 2-band mono para EQ, cleaned, calibrated
Third octave twin-graphic pro model. 21 bands of equalization. Cap and tuned coil design. With 2 tape monitors. 4 space rack. IC chips uses super low noise XR. XLR and 1/4" inputs only. Will take professional level. Minor but obvious bend at bottom corner - looks OK. Condition 8+
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.
10 band eq with spectrum display, audiophile quality, blackface, mic input, pink noise, (no mic), long throw faders, missing 4 knob caps, all clean/test, #8+
Single rack space unit, XLR or phone in/out. Four band notch filter for PA de-ringing or recording. Excellent #9 condition with one very minor scratch near rack edge.
Single rack space audio processor, two channel operation, wide range multi-function EQ and RTA etc. Truly powerful device, XLR in & OUT, 1/4" L/R outs, optical IN/OUT MIDI IN/OUT/THRU, and more. Low use unit, very clean cosmetics, fully functional test OK. only minor rack rash on top & bottom. #9 condition.
Stereo 15 band Graphic EQ Rack Unit Channel 1/ Channel 2 Gain and Ch 1 / Ch 2 EQ by pass switch 1/4" and XLR inputs/outputs Nice simple layout, good condition, faceplate looks great . Cleaned and tested #9 Mint 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
12-band equalizer, black color, 12 bands per channel, 32, 56, 100, 180, 320, 560, 1k, 1.8k, 3.2k, 5.6k, 10k, 18khz, +/-12dB. 7 LED meters per channel. RCA in/out, 2 tape dub/monitor channels, individual output & meter control. Minor corrosion on handles. Well done, quality controls all service clean etc. #8+ condition
If you are having trouble finding parts, enter the name into our search bar at the top of the page. Please be aware there is a minimum $4-$6 to ship any part. International orders will be $14-$16 to ship for anything larger than an envelope. Shipping costs are non negotiable, so please, PLEASE do not ask for a part, or for us to search for, or quantify a part if you cannot pay for the shipping.
Dual 10 band EQ. Semi pro design. Has RCA in / out. Tape monitor. Level controls. Excellent best latest version design. Wood sides. Black face with box. Condition 9+
Amazing digital EQ, 1 Rack XLR in/out, Pro or consumer operation, better version power supply, Test like new, no box, #9 Condition
Amazing digital EQ, 1 Rack XLR in/out, Pro or consumer operation, better version power supply, Test like new, no box, #9 Condition
Graphic EQ, 31 band short throw faders, no use, with box and packing, mint condition, condition #9
12 band stereo frequency equalizer, silver face slim line design, 2 ¾ inches high, record EQ, 2 tape, 2 dubbing, 2 to 1 and 1 to 2 IMX stereo expander, 8+ condition, minor dent
Dual 10 band EQ. Silver face, low profile. 2 tape monitor dubs. EQ transfer to tape. Simple image expander. Circuit very effective. This unit has very high quality controls and switches. Audio spectrum display. Dead quiet low noise. Crucial EQ circuit is very clever simple class transistor design. Uses all fairly common parts. In box. Bottom has shielding. Superb EQ design. Condition 9+
We offer expert time-saving advice on repairing many types of home and studio equipment, as well as consulting for product and recording issues, at a fair and reasonable cost. For complex matters, we sometimes must charge a small technical fee. If we can help solve your repair problem or technical conundrum, give us a call. (617)926-8020.
Fully Parametric EQ. 3 band. Low, mid, high frequency controls. Bandwidth controls. Unbalanced I/O. Preamp, high gain. Rugged, high quality design. As good as best. From owners personal collection. -Cleaned controls and switches. With yellow level knob. #8
Black face, 10 band LED spectrum analyzer display, 12 segment LED, has pink noise, mic input (no mic provided), cool fairly accurate, excellent low use, perfect calibrate, condition # 9
GLI 10 Band EQ
- 12db gain bands with EQ Bypass and main input. Aux in and Tape in -2 rack space 2.25" height
-#8+ Condition (see Vinc)
3 band EQ, cliplight, imput 30db for inst unit 1/2 rack space, balanced In. # 8 condition, minor wear to face edges.
3 band parametric preamp with input level for acoustic instrument, 1/2 rack unit, hard to get quality piece. Mono. #9 condition.
Single channel 20-band or dual channel 10-band EQ. Silver face, very reliable resistive rotary switches on EQ's, attenuation switch (-20, -10, 0 dB), reverse EQ switch, tape monitor, EQ record switch, line in/out and tape record/play jacks, unswitched 120v outlet. Fully cleaned and serviced.
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.
Dynamic clarity enhancement device. later version balanced in and out. Best version BBE. All cleaned and calibrated.
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
