MATRIXSYNTH: SEQUENTIAL CIRCUITS PROPHET-5 REV 2 SN 1090


Tuesday, September 04, 2012

SEQUENTIAL CIRCUITS PROPHET-5 REV 2 SN 1090

Note: Auction links are affiliate links for which the site may be compensated. SEQUENTIAL CIRCUITS PROPHET-5 REV 2 - SEVERED HEADS - DEAD EYES OPENED

YouTube Uploaded by redmartian on Sep 3, 2012

"Showing that this rev 2 Prophet-5 works and sounds like it should." via this auction More pics at the auction including some of the inside below. See the seller's other items for more. "This auction is for a working Rev 2 Sequential Circuits Prophet-5 analogue synthesizer. The synth was recently serviced by Greg Montalbano of Analog Synth Service and has had several updates done: Cassette Mod (allows for programs to be transfered using AFSK) Power supply mod: eliminates the +12 and -5 DC supplies for better stability +5v ROMs installed, final version, digital board modified for this (part of power mod) power supply recap, trim, digital and analogue calibration Includes a new pack of keyboard bushings (the bushings are currently good, no clacky keys) digital and analogue board power rails have been recapped battery shows 3.0v The previous owner had a remote keyboard and pedal setup for this unit. That required additional jacks be mounted in the back, including a 5 pin DIN style connector. The modification was removed by Greg and two of the jacks were used for the cassette mod. The DIN connector is still installed, but not wired. This could be used for a MIDI IN connection at some point in the future. The pitch wheel has also been modified so that it change the pitch UP by two octaves. In the video I try to demonstrate the following: All notes trigger, no double triggering factory programs load and sound as they should manual mode: near zero beat tuning between oscillator 1 and 2 unison tuning filter harmonics (the rev2/SSM is famous for this sound), slow LFO sweep poly-mod VCO 2 modulating PW of 1 (rev 2 is also famous for this as the SSM VCOs tend to be less stable than the CEMs in the rev 3)..."

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