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RE: What I like about the Crowhurst analysis

I remember some time back simming the input section of the EAR 509 cct to get my head around it. It uses DC coupled cascaded LTPs; equal anode resistors. The first has a very long tail to a neg supply.

The outputs of the first were ever so slightly different but the second evened that up so the result was the same from the 2nd anodes.

Best not discuss what happens after those stages ;)

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