Pendulum Audio Quartet MK1 Rack Preamp Tube Recording Channel for sale in very good condition.

Definitely used and showing some signs of age, but the unit is very warm and the tubes test high.

It is not perfect cosmetically; it has a bit of paint bubbling, but it is perfectly functional.

General Specifications:
Circuit Type: Class A vacuum tube design with transformerless or transformer-balanced output

Vacuum Tubes: (3) ECC83/12AX7A, (3) 6922/6DJ8
Power Supplies: +300Vdc, +6.3Vdc, +12.6Vdc and +/- 18Vdc, full regulated with soft-start warm-up and output muting.

Notes from the manufacturer:

The tube Mic/DI Preamp from the MDP-1 · The tube Opto-Compressor from the OCL-2 using our proprietary optoelectronic cell · A new three band tube EQ with HI and LO shelving and peaking MID band · A new de-esser design using opto-inductive filtering and a highly selective detector · The Mic/DI, EQ and Compressor/De-Esser can be patched out and used independently · Transformerless or transformer-balanced main output · Gold-plated switch contacts, I/O connectors and tube sockets · Polypropylene caps and metal film resistors (pairs matched to 0.1%) · Fully regulated high voltage (300V) and filament and bipolar power supplies with soft-start warm-up and output muting · Custom toroidal power transformer with shield for minimum hum · 120V or 240V ac voltage switch on the rear panel · Handcrafted in the USA

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This item was fully inspected for function and has been described as accurately as possible. Please inspect the pictures closely and read the ad thoroughly to understand the condition of the item. We can take close-ups at any angle on request.

Xu Strings is a full-range, boutique guitar and bass repair shop located in Rockville, MD. If we have an instrument that is "almost" what you want, talk to us - electronics, mods and projects are our thing! We are a dealer for many brands including Seymour Duncan, DiMarzio, Nordstrand, Aguilar, Bartolini, Audere, Ernie Ball, Pyramid Strings, Hipshot, LR Baggs, Fishman, K&K and more. Local transactions may be arranged and payment is accepted via cash, credit cards, Samsung Pay, Apple Pay and Paypal. Contactless options available.

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Returns are currently NOT accepted. Please be sure of your purchase.

Xu Strings offers consignment for your gear! Rates are easily better than the big box stores.