Variable Mu Retube Kit Version A Ref Silver Insert and Phase Reverse also

Insert and Phase Reverse also use high quality relays and both functions have tiny switches and red LED's to clearly indicate when they're selected

This kit is only for Manley Variable Mu's (and mastering versions) with the serial number MSLC94007 and up

Maintained Switch AU:

SMPS power supplies

This kit is only for Manley STEREO PULTEC EQ with the serial number falling between SPEQ001 - SPEQ038

Variable Mu Retube Kit Version A Ref Silver Insert and Phase Reverse alsoPlease read the full description: This kit is only for Manley Variable Mu's (and mastering versions) with the serial number between MSLC000 MSLC123 and MSLC7124 MSLC7264. We no longer provide the original 6386 tube used in these units, they have been substituted with 5670 tubes but your unit MUST be upgraded to take this substituted tube, or you can find the original 6386 elsewhere. This kit includes (2x) 5670 tubes for input, (2x) 5751 tubes for