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"This is the Memorymoog Plus. It is in outstanding condition as you can see in the photos, everything is there and works perfectly, all factory updates have been performed, and the software is the latest available version. Internally, this is a special unit, with numerous upgrades, to make this an extremely stable and reliable synth. I've tried to list the most important upgrades below.
1. Fully recapped. All electrolytic capacitors have been replaced with high quality modern components. This is critical to avoid killing the expensive CEM chips on board.
2. All ribbon cables and connectors have been upgraded to gold plated. This sounds excessive, but the originals are cheap and notoriously unreliable and highly prone to oxidation. When these were new, stage musicians would have 2-3 units onstage, because of those sketchy connectors.
3. Most of the IC sockets have been replaced with gold plated machined sockets. This is an expensive prospect but well worth the added stability of the analog circuitry.
4. Almost all of the analog IC chips have been replaced with newly manufactured chips, with the exception of the CEM and 3080 chips, which are no longer manufactured. The new smaller die sizes of these chips and increased reliability, has the added benefit of keeping the internals cooler, and hence tuning stability is simply amazing.
5. The internal fan has been replaced with a high volume, quiet computer-style fan, a vast improvement from the original noisy fans, that mostly circulated hot air around the inside, rather than expelling it.
6. The synth has factory MIDI, built in sequencer, and is fully calibrated, tuned, and with a new battery which should last for decades."
