• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Steve Bench PP loadlines

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K

Klimon

Member
Joined 2005
Hello (saviours),

I'm trying to get the hang of PP loadlines, first following s. Bench' manual with pencil and drawer but I only get a huge headache and cra**y looking lines (my head now has an infinite internal resistance and zero gain)

I've downloaded the spreadsheet zip but there are still a few variables I'm unable to fill in:

1) Horizontal volts / =

2) Grid volts / step

3) I suppose the Rp value is expressed in kohms in the spreadsheet?

Hopefully someone can help me fill in these blanks and open up a whole new world of unkinky pp pleasure!!!!! FWIW I'm trying to simulate a 12b4a pp

Here's a link to steve's tutorial(http://members.aol.com/sbench102/composit.html), the spreadsheet is on that webpage (platecurv.zip)

A million thanks for any replies:D

Simon
 
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