MATRIXSYNTH: ARP Quadra Vintage Analog Synthesizer


Friday, February 15, 2013

ARP Quadra Vintage Analog Synthesizer

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via this auction

"Here is an ARP Quadra synthesizer in near mint condition and perfect working order. It has lived its entire life in a private home with its original owner, and has spent most of that time safely stored in its Anvil case. It is in immaculate condition, has never been gigged, was used sparingly, and is as pristine an example as you will likely ever find. All keys, slide switches, membrane switches, and LEDs work flawlessly. Most of the sliders are smooth and quiet, with an occasional slight crackle coming from a couple that should disappear through regular use. Otherwise, everything is working as it should, and the synth sounds amazing.

Recent service work performed:
LM3900N Quad op-amp IC chip replaced on filter board
14-pin IC socket installed for LM3900N, for ease of future replacement, if needed
Sliders cleaned and lightly lubricated
Power supply calibrated, and each synthesizer section tuned and calibrated
All new foam installed in road case

Included: Original heavy duty Anvil case, original owner's manual and ARP foot switch, power cord, instrument cable, service manual copy, and five new LM3900N IC replacement chips.

The case's interior is well-designed with nice thick foam, keeping the Quadra safe and snug. Harder foam is installed inside the front corners to stabilize the synth's chassis and protect the keys, preventing them from bearing any significant weight during shipping."






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