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"Polymoog Synthesizer Model 203A, complete with Polypedal Controller and original metal legs.
This one is of the latest generation of Polymoogs, serial number 3795. It actually bears the name Polymoog Synthesizer on the front (instead of Polymoog Keyboard).
This machine has been overhauled extensively. The overhaul includes:
Repairs: this Polymoog has been fixed. It is one of the few around that are 100% functional.
Keyboard contacts have been cleaned and aligned. All seventy-one rubber keyboard bushings have been replaced with brand new ones. All thirty seven indicator LED’s for the pushbuttons on the front panel, as well as their current regulating resistors have been replaced with new ones that are less energy consuming and thus put less strain on the power supply.All the capacitors on the power supply have been replaced with new ones in order to reduce chances of burn out.
All fifteen hundred solder connections for the polycom and balance card slots on the three motherboards have been re-soldered to reduce occurrence of fuzzy or dead notes on the keyboard.All eighteen opamp IC’s LM3080AN on the top left and top right circuit boards have been replaced by their modern day equivalent NTE 996. The old LM3080AN is a common cause of failure in polymoogs. The NTE996 is more durable.
All internal adjustable parameters have been tuned and calibrated.
It has been serviced with durability in mind. This is not a guarantee because the Polymoog remains a sensitive instrument that needs care and attention, but the chances of survival for this one have certainly been improved.Cosmetically it is in pretty reasonable shape. It does show some wear and tear but overall nothing too outrageous considering it’s age. The worst thing in my opinion would be some curling at the corners of the stickers on the left hand side front panel. See pictures.
The Polypedal Controller, model 285A, serial number 1898 PD is working 100% as well and is in good cosmetic shape.Included with this sale are five spare Polycom cards and three MM5823N frequency divider IC’s to further increase the potential lifespan of this machine."
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