Yamaha - NP-11 - 13-note Rubber contact strip FP-80 the dome compresses and the

the dome compresses and the carbon contact touches the underlying circuit board (also known as the keyboard contact board)

Panel-mount 2-pin male connector used for the S-Trigger (switch trigger) output found on many vintage Moog synthesizers

It is designed for global use

For Master Tune

Yamaha - NP-11 - 13-note Rubber contact strip FP-80 the dome compresses and the13 Note Yamaha Rubber Contact Strip (ZS089100 V7477400) This 13 note rubber key contact strip features embedded carbon bubbles that, when pressed by a key, bridge to the circuit board restoring signal and ensuring proper key response. Specifically engineered as a direct replacement for Yamaha part numbers ZS089100 and V7477400