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Large rocker switch as used on...
Original key return spring for Roland...
Released in 1981, the Roland Jupiter-8 is one of the most celebrated analog synthesizers ever built. Its eight-voice polyphony, resonant filters, and deep modulation architecture gave it a sound that defined a decade of electronic and pop music production. Decades later, it remains a benchmark instrument in studios worldwide.
Like all vintage a...
Released in 1981, the Roland Jupiter-8 is one of the most celebrated analog synthesizers ever built. Its eight-voice polyphony, resonant filters, and deep modulation architecture gave it a sound that defined a decade of electronic and pop music production. Decades later, it remains a benchmark instrument in studios worldwide.
Like all vintage analog gear, the Jupiter-8 requires attention over time. Voice chips can fail and cause dropouts or tonal inconsistencies. Filter capacitors and analog circuits lose effectiveness with age, subtly degrading sound quality. Potentiometers and faders accumulate wear and become less precise, while keys and MIDI or audio connectors can deteriorate and cause intermittent issues.
Keeping these components in good condition is what keeps a Jupiter-8 sounding like a Jupiter-8.
Browse our spare parts selection and give your Jupiter-8 the maintenance it deserves.
High-quality 4558 dual operational amplifier IC, selected and tested for reliable performance in vintage synthesizers, drum machines, and audio equipment. Fully compatible with a wide range of classic gear including Yamaha DX7, Korg Polysix, Wavestation, Lambda, EX7, DS‑55, Moog Liberation, and more. Ideal for restoring audio circuitry.
Dual PNP transistor 2SA798 (grade G), original Mitsubishi part. Authentic vintage component from New Old Stock (NOS).
Circuit intégré CMOS à quatre commutateurs analogiques bidirectionnels en boîtier DIP-14. Vous recevrez un TC4066BP ou un MC14066BCP selon les stocks. Les deux versions sont entièrement compatibles et interchangeables.
4050 hex buffer/converter IC. You will receive either a CD4050BE, CD4050BP, or TC4050BP depending on stock availability. All versions are fully compatible, functionally identical, and interchangeable, CD4050BE (ceramic), CD4050BP (plastic) and TC4050BP (Toshiba).
CMOS triple SPDT analog switch, essential for routing control voltage or audio in classic keyboards and synthesizers. DIP‑16 low‑leakage design.
Single‑channel JFET-input operational amplifier, high input impedance and low bias current, ideal for audio buffering and filtering in vintage synths and pro gear.
4052 dual 4-channel analog multiplexer/demultiplexer IC, 16-pin DIP. You will receive either a TC4052BP or a HD14052BP depending on stock availability. All versions are fully compatible, functionally identical, and interchangeable. Sold individually.
74LS00 quad 2-input NAND gate IC, 14-pin DIP. You will receive either a HD74LS00P or a HD74LS00CP depending on stock availability. All versions are fully compatible, functionally identical, and interchangeable. Sold individually.
74LS138 / HD74LS138P / SN74LS138N 3-to-8 line decoder/demultiplexer IC, 16-pin DIP. You will receive either a SN74LS138N or another 74LS138 variant depending on stock availability.All versions are fully compatible, functionally identical, and interchangeable. Sold individually.
8253 programmable interval timer/counter IC, 24-pin DIP. You will receive a M5L8253P-5, uPD8253C, D8253C-2, or another 8253 variant depending on stock availability.All versions are fully compatible, functionally identical, and interchangeable. Sold individually.
74LS244 / SN74LS244N octal buffer/line driver IC, 20-pin DIP. Sold individually.
4013 / HD14013BP dual D-type flip-flop IC, 14-pin DIP. Sold individually.
4013BE Dual D Flip-FlopStored and shipped with anti static bag.