Bad caps???
I suggest you post a message on Amp/Preamp Asylum For the subject title you might try something like, Ping: Victor Khomenko. Problem with BAT VK-3ix preamp. Then post your question in the box. Victor frequents the Amp/Preamp Asylum regularly. Victor Khomenko |
I had exactly the same problem a few years ago with a McIntosh preamp. I sent the unit to Mac and they sent it back with a clean bill of health. I put it back into the system and had the same problem. Out of frustration I swapped out the patch cord, and the porblem disappeared. With the 'intemitent' aspect of the problem I would have not imagined that the cable was the culprit. Now its the first thing I check when an issue comes up. Norman |
Have you tried cleaning all tube sockets, tube pins, fuse end caps and fuse holders? If there are fuses on the PCBs, check with an ohmmeter to confirm that they have near zero resistance. The resistance inside a fuse can occasionally creep up as the joints age. Also, try cleaning the contacts on any detachable cables and ribbon headers inside the unit.. |
