Jaime says: >Acom 2000, valves ( Russian very cheap valves ), >90 min warm up, I think you mean '90 second warm up', not 90 minutes! 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com