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atenolol50 24th September 2008 02:00 AM

Need help on resistor values for 5687 aikido kit
I bought the 5687 aikido kit (partial) - pcb, tubes and resistors pack.

I'd like to run the circuit on the recommended values in the userguide.
B+ 250v
R2,4 cathode resistors for input tube 6CG7 - 560ohm, 5ma
R8,11 cathode resistors for output tube 5687 - 540 ohm, 10ma

However, the resistor pack comes with 470 and 1k ohm for R2,4, 300 and 470 ohm for R8,11.

Those who also bought the resistor pack, what values did you use?
If I were to use 1k for R2,4 and 470 ohm for R8,11 do I need to use a different B+?

I've sent an email to John.B but no reply yet.

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