Yeah you have started something good Steve, now show us the psu with screen and -30 v , i still have some 807's but for all that work ...jeez, run a 4cx250 then , and gain some more advantage, i mean qrp is fun and all, but 400 watts is more fun in a short period of time :)
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Still I remember I saw a grampian P A amplifier 30 w in 1979 with 807 power output ecc 83 driver and EF 86 preamp
G'day Steve, I'm old school and like your circuit of the 807 valves good luck hope it all goes well for you.
+Dennis Peake Morning Dennis... thanks, I think I've started a bit of an old school revival.
Yeah you have started something good Steve, now show us the psu with screen and -30 v ,
i still have some 807's but for all that work ...jeez, run a 4cx250 then , and gain some more advantage, i mean qrp is fun and all, but 400 watts is more fun in a short period of time :)
Are you Smashy or Nicey!
Building class A amp stereo amp ef37a input driver now