[ARC5] [SPAM] Re: VT-4-C, 211 tubes

[Kenneth G. Gordon]

On 26 Jan 2009 at 10:42, Marty Reynolds wrote:

> First esrc1's fone is 407-826-5808.  Chinese ones are $50

I have bought tubes from him in the past, and he is a very 
good fellow. I highly recommend him.

> Now 805s will work in '375 for osc & final.  But of course you've
> gotta wire up that plate cap.  Because 0f biasing, 211s must remain in
> modulator.  There's a 375 so done nearby
> 
> BTW, the 838 is a capless 805 & has the same odd-bodkins variable
> pitch grid

As I remember it that weird grid was an early attempt at a 
zero-bias tube.

And, unfortunately, both the 805 and the 838 are other 
audio-phool treasures.

Ken W7EKB