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Old 26th Feb 2012, 9:06 pm   #11
BobGreen
Retired Dormant Member
 
Join Date: Jan 2011
Location: Egham, Surrey, UK.
Posts: 219
Default Re: Valve Linear Amplifier project

Quote:
Originally Posted by Sean Williams View Post
Aub,

No, that isnt the concern.

The OP stated that he would build the tank circuit to cope with 813s, but use 807s in the meantime - in this case, the 813 circuit design will not match the Anode impedance of 4 or 6x 807s......

that's the problem.

Sean
Sean, I have now planned for 5 x 807s but have wound another 4V secondary on the xfmr with a 813 heater in mind. Do you have an 813 tank circuit design to share? If so I will try to make allowance for it.

Bob
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