Towards the end of 2009, my roommate and I purchased a stereo audio amplifier that was originally built in the 1970’s. Several months after the purchase, however, the amplifier stopped working. Using ...

Are you a musician with vintage gear? Busted Gear is the home of Richard Diemer, a veteran mechanic who fixes any and all instruments and audio gear. What makes Diemer’s site so unique is that he ...

I am contemplating replacing the JRC 4558 op-amps inside. These things must be cheap as hell because I have 4 amplifiers, all with JRC 4558's.<BR><BR>I was looking at replacing the JRC's with TL072's ...