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Hammond 125ESE

I'm building a 4P1L SE amp for a friend - almost the same bias point, 36mA at 250v but in this case it's filament bias. He's giving me a 125FSE to try out. Input section is 4P1L with Hammond 126B as plate choke and Teflon 0.1 FT-3 coupling cap. Very similar to my home amp which has a Lundahl LL1682 as OPT. 5K into 5 ohms. You might consider that as an upgrade - perfect for a 45. Or the LL1663, 5K into 8 ohms.


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