ericb
Gold Supporting Member
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Hi guys, I have a large variety of amps and tubes and I've had quite the mixed results with Siemens in high plate voltage amps. Sometimes they seem to seem to handle the 485-500 volts just fine, and with some of my Siemens they don't at all, but then they'll work fine in lower voltage amps.
My question is do any of you know originally what they were designed to be able to handle? I really am not asking what is a safe range for them , as I've experienced that for myself , but just wondered if they were designed or spec'd only up to a certain plate voltage by design. THANKS MUCH for any info!
Eric
My question is do any of you know originally what they were designed to be able to handle? I really am not asking what is a safe range for them , as I've experienced that for myself , but just wondered if they were designed or spec'd only up to a certain plate voltage by design. THANKS MUCH for any info!
Eric