Hoping to get some help, as I'm somewhat of a novice and I'm not sure what to search for.
I am using older Sony Preamp (TF-2000F) to a Sony Amp (TF-3200F). I have a single speaker wired to the amp for testing purposes. The Amp has no volume control. When I adjust the volume at the preamp, the speaker emits an abrupt feedback (kind of like a crunch). Note that this only occurs when I have audio signal coming into the preamp. Otherwise, without signal, changing the volume just produces minor static at the speaker.
The original manuals don't offer much in the way of troubleshooting, and I don't see any other settings that I should change. Any ideas? Thanks!
I am using older Sony Preamp (TF-2000F) to a Sony Amp (TF-3200F). I have a single speaker wired to the amp for testing purposes. The Amp has no volume control. When I adjust the volume at the preamp, the speaker emits an abrupt feedback (kind of like a crunch). Note that this only occurs when I have audio signal coming into the preamp. Otherwise, without signal, changing the volume just produces minor static at the speaker.
The original manuals don't offer much in the way of troubleshooting, and I don't see any other settings that I should change. Any ideas? Thanks!