Sansui 9090DB Preliminary Evaluation

In this video concerning the "famous" Sansui 9090DB stereo receiver, I perform a routine preliminary evaluation for the purpose of organizing my repair / restoration strategy.

Sansui 881 Service

In this service video covering the Sansui 881 stereo receiver, I point out the important aspects of going through these "vintage" receivers / amps and performing the routine servicing they need in a thorough manner.

Harman Kardon HK3370 Repair

In this video I demonstrate some troubleshooting / signal tracing and repair on this Harman Kardon HK-3370. This unit came in with a diminished / distorted audio complaint.