• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

418a

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CarlyBoy

Member
Joined 2006
Hey All,

Came across an interesting circuit I have almost all the parts for. Stickler is a 418A is specified. Checking tube vendors, it's a little rich for my blood. Did a little digging but could find no equivalent. Maybe someone out there is aware of something that might be close...? Thanks for any help.
 
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