





Listing is for original unused PCB pair used in 70’s Polyfusion Frequency Follower rack mount modular device. So there’s no confusion, the photo of FF-1 frequency follower device is just to illustrate what these PCBs were used for.
Includes 1. Audio Input/Preamp PCB, and 1. Frequency Follower/Fundemental Extractor PCB.
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Listed | 7 months ago |
Condition | Mint (Used) Mint items are in essentially new original condition but have been opened or played.Learn more |
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