MATRIXSYNTH


Friday, September 17, 2021

Doepfer - Dark Time (Red LED's)

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via NOISEBUG Reverb

Doepfer - Dark Energy II

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via NOISEBUG Reverb

OSCar Synthesizer w/ Full Refurb by KSR

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via this auction

"OSC OSCar synthesizer. Midi. UK model. Latest (last) OS. Factory sound set restored via tape! This unit has just been fully serviced by Kent Spong at KSR. Work carried out: Battery replacement/ all obsolete chips replaced/ midi board attended to, checked and tested/ all knobs and switches checked then either cleaned, lubricated, or replaced as required. PSU inspected/serviced. Total cost of service: £435.00"

Oberheim OB-12

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via this auction

Korg KPR-77 Vintage Programmable Rhythm Drum Machine SN 454408

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via this auction

Siel DK-70 8-voice analogue polysynth

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via this auction

Roland Jupiter 4

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via this auction

"Recently serviced Roland Jupiter 4. Early Japanese market model, by the serial number this would be the 150th off the assembly line. BA662 filters. Fully reworked at Bell Tone Synth Works in Philly. A bit more organic and they are known for having a mind of their own at times. Takes a while to warm up and get somewhat close to being in-tune. Coming from Junos and other DCO's, these are a whole different beast. After transport, I would advise having the synth re-calibrated."

Roland VP330 Vocoder Plus SN 870800

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via this auction

"The synth has been recently serviced, thoroughly tested and is all working as it should be. Work included recapping the power supply, calibrating and testing all bands of the vocoder, cleaning/lubing all front panel sliders, replacing the slider dust covers with new replacements, cleaning the keyboard contact bussbars, cleaning rear panel jack sockets.

Cosmetic condition overall is excellent. There are minor marks, blemishes and wear to the wooden case. The metal panels have some marks and blemishes. All keys are clean and are aligned correctly"

Sequential Circuits Prophet 5 Rev 3 SN 5874

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via this auction

"This is an extremely clean, gently used prophet 5 rev 3.3 in perfect working condition. There’s one small knick on the back edge (pictured), a couple wood imperfections so small as to almost not be worth mentioning, and a couple scuffs on the bottom from where it sat on the stand (was super bummed to find them). But honestly, without very close inspection, it looks and feels like it could be new.

Recently serviced including refreshed keyboard and upgraded power supply. Comes with original manuals and power cord. Would love to keep it, but am updating the studio and need the funds. May go without saying, but it sounds absolutely incredible!"

Oberheim OB-XA SN 813504 - 8 Voice 120 Patch Model w/ Midi

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via this auction "This is priced firm. This synth need just a little TLC on some specific sections, and it ready for the prime time. Even with the Issues described it can still make music as I still use it till the day it goes in the box for sale. It can take 10 to 15 mins to warm up before AutoTune is pressed. After that It is very stable.

All the Bushing are great and no clicks keys, No pot has any scratchiness so thats good. All Knobs and Buttons work aside from the issues described below.
Midi Works as well and the Tape Input works as I put in the factory sound (Minus a few).

The 120 patch are not fully loaded but It can hold that much memory I erased a few towards the end to make room for custom patches. All voices pass Tuning but one of the voice slots fails the tuning.

ALL 8 Voice cards work and the Auto Tune test it Failed Voice card 7. Voice card 7 works if you switch its position to any other slot. So Slot 7 Controlled by the Disable switch means that the switch went bad. To Fix this it should be the 8 Voice Dip Switch.

The Performance section only effect 4 voices out of 8 so that may be Cable harness problem. Aside from those very specific issues every thing else works fully. The Midi works and is what I use all the time. Aside from the mentioned issues every thing works. This is a Big Heavy Synth and will be boxed up well."

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