Turn the JC-l off, unplug the unit, remove the top. When you look down into the unit you will see some rail fuses. Replace the fuses with the same value. The unit should work fine. To repeat:: When using a Tube Preamp the turn on sequence is first turn on the Preamp and then the Amps. The turn off sequence is first turn off the Amps and then the Preamp.
One of my JC-1's died. When I replaced the rail fuses it worked fine. That was over two years ago and they continue to work just fine. I keep a supply of replacement fuses on hand just in case.
Good luck and good listening.
One of my JC-1's died. When I replaced the rail fuses it worked fine. That was over two years ago and they continue to work just fine. I keep a supply of replacement fuses on hand just in case.
Good luck and good listening.