Lamm Owners: M2.2 Problems

Sorry, neither me nor either of my two friends have had this problem.
Cytocycle's advice is good, as it might determine if it is just a tube problem.
(If it is, great, a cheap solution!)

If not, ouch, as that means sending them back to Lamm. (Something I am not looking forward too, if, and/or when, my amps experience problems.)

Good Luck, and I hope it is a tube!!!!!

It could also be a shorted speaker cable or blown driver.

Quick update: Just a bad tube. Thanks to all for the thoughts. WHEW!!

I love single input tube problems.. easy to solve.. you don't have to have a bunch of expensive tubes sitting around.. no biasing...

Congrats and thanks for the update!

Talking about tubes, Amperex 6922 PQ white label US sounds very good with my Lamm M2.1 amps. They are a bit expensive, but well worth it. I like single tube per amp design; it saves me chunks of money for upgrade and maintenance.