ARP Quadra IC Replacement Kit


SKU: arp-quadra-ic-kit Categories: , ,


This kit contains replacements for all the CMOS & TTL, Operational Amplifiers, and some other key ICs in the ARP Quadra synthesizer (172 ICs total). The early IC chips used in these synthesizers are prone to failure. We find it a best practice to replace all these chips in this keyboard to fix issues it may be having and to prevent future issues from popping up as chips fail.

We also provide a checklist of the ICs provided for each board, to reduce your time wasted poring over the schematics and scratching your head wondering where that last chip is supposed to go. This kit includes the op amps on the two 4075 filters.

This product requires disassembly of the synthesizer, good soldering skills, and a LOT of time to install. Please contact us if you require installation services.  Depending on stock level this may take 5-7 business days to ship.


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