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In the Forum: Audio Discussions
In the Thread: Initial thoughts about new/old Lamm ML2s
Post Subject: New tubes, same pulsePosted by Paul S on: 11/18/2006
I got new 6C33Cs for V2s from Lamm because no one else wants to match them, let alone match them for gain; but the loud thump through the speaker still happens just when one amp self-switches from warming its filaments to full-throttle operation.  I don't know how this internal switching would happen without a relay or a thermistor, etc., but I'd like to find the source of the pulse and fix it before it blows a speaker.   Needless to say, I want to avoid shipping the amp from San Diego to Brooklyn and back, if possible.

I know this isn't a DIY forum, but you are the only source of meaningful information about the ML2 that I know of.  Others pretty much just piss themselves when the subject comes up, and although Lamm seems friendly enough he obviously regards everything having to do with this amp as proprietary.

Best regards,
Paul S

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