Semiconductors spares box for Revox machines
For Revox A77, B77 and PR99.
A transistor and diodes spares box in case you need to replace one of these components.
A selection of repair replacements for most of the BC type NPN and PNP audio transistors as well as 1N diodes. This is not for replacing all transistors - only those that may be faulty or suspect. BC109, BC179, BC550 & BC560 are high gain high performance low noise types. The kit is particularly suitable for all Revox A77, B77 and PR99 machines AND is also a very useful kit to have as part of your electronic spares for most Revox and Studer equipment.