Bob the Tech Audio

Bob the Tech Audio took on this Audio Research LS7 repair. It’s a simple all tube preamp that sounds so good we are tempted to keep it!

This McIntosh MC275-IV was recently in the shop for repair. The MC275 is my favorite amplifier and this MC275-IV was no disappointment.

We had a couple of interesting McIntosh C2700 repairs in the shop recently. In the first case the remote control was not working. Bob the Tech isolated this to a poor solder joint on the IR sensor. The…

Bob the Tech Audio recently competed this comprehensive Marantz Model 32 restoration. Contact us for vintage audio restoration and repair.

Bob the Tech had this McIntosh C41 preamplifier in for a loudness repair. We replaced the loudness control relay and the unit sounds great again.

Bob the Tech Audio recently performed a McIntosh MC257 Power Supply Repair. The customer complained of buzzing and the meters pegging when this unit was started up.

Bob the Tech Audio recently serviced this McIntosh C37 which was blowing fuses. A shorted capacitor was replaced and it now works and sounds great.

Bob the Tech Audio began an evaluation of this McIntosh MC275-II Gordon Gow edition, recently in for service for a burnt channel. It will need some work.

Bob the Tech Audio serviced this McIntosh MA9000 stuck in standby. A new standby switch plus a firmware load and it’s back to sounding great.

Bob the Tech isolated a faulty channel on this McIntosh MC7205 to a bad speaker relay. With a new relay and front panel lamps the unit was as new.