Marshall Valvestate 40V model 8040

Coupure son par intermittence « Power Amp In » embase jack Cliff CL1169

https://www.cliffuk.co.uk/products/jacksockets/s2.htm

https://www.banzaimusic.com/Cliff-MO-PINS-BLK.html

Marshall-Valvestate40-40W-8040-Schematic-iss8