Hi Miles.
I have a Laney AOR Pro Tube Lead 100W head from the 80s. I bought it a couple years ago and used in a lot until Fall 06 when I moved cross-country (head traveled with me in my car). Since then I've used it intermittently. Today when I decided to fire it up as a pseudo-xmas-present-to-myself, I turned it on like normal, except there was an insane amount of hiss. The amp works and sounds fine otherwise, except the master volume knob did not work. I immediately turned the amp off; the tubes were seriously hot. I tried inserting a cable into all the plugs on the back, especially the FX loop and tried again. Same result as before. Tried both channels, same result as before. Do you have any idea of what's going on? I haven't tried pulling the tubes and reinserting them yet.
Thanks.
Jim
