via this auction
"Roland Jupiter 4 Rare Analogue Polyphonic Synthesiser
- 4 voices - 1 VCO per voice.
- LFO - Sine, square, ramp up and ramp down.
- 2 x filter envelope and VCA envelope.
- Awesome Jupiter low-pass filter and high-pass filter.
- Portamento and arpeggio.
- Compuphonic memory - 8 user patches and 10 factory pre-sets.
This machine is a beast. It is an absolute pleasure to program and play on. Previous to sale, this unit has undergone a complete refurbishment and thorough service. The following work was undertaken -
- Replace all electrolytic capacitors with high quality Panasonic/Nichicon
- Rebuild power supply.
- Thorough cleaning inside and out.
- Clean key contacts.
- Replacement of many sensitive logic chips.
- All sliders were removed, cleaned, lubricated and rebuilt. Any faulty sliders were replaced.
- Complete calibration according to Roland factory spec.
- New lithium battery for memory storage.
This truly is an amazing piece of machinery. It sounds great, all working and would be perfectly suited to a composer or home muso, and would make an awesome vintage addition to any studio or work space..."
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