I hear a brief audible pop through speakers (something like sharp electrical squeaking) when I turn off the McIntosh MC 240 power amp hooked with McIntosh C22 tube preamp.
All the functions of C22 are okay, with no hum or noise when turned on, producing great sound.
MC 240 also in great...
Hi friends,
The other day I brought Krell KSA 50 back home after having had it checked and fixed by an experienced tech nearby. He said he diagnosed it and repaired a couple of parts including a small 'lytic cap', ruling all other functions and parts are okay. He said he "adjusted bias, along...