6N2P Tube Pre-Tone Low Volt & Low Cost Circuit

That if one wants to create a high fire. Put values ​​as I get it offline … because I reference values ​​from the Data Sheet.

But do not suggest we fire up to 250 Volts Capacitor find the 350v. The price is expensive and over again.
I recommend creating a 230v. And then use the Cap 250 v. easy to find cheap used instead of the sound was no difference between voltage 250 to 230. 

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Tone Control Tube Amp circuit with 12AU7

Tone Control Tube Amp circuit with 12AU7

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12AU7 / ECC82 tube Preamplifier circuit

The following chart is a simple two-line preamp with 12AU7 / ECC82 tube. The overall gain of the circuit is about 8 , The second phase of the circuit is a cathode followers and a low impedance amplifier. This circuit is from the RCA tube manual.

The circuit is simple and requires no special components. For the power supply, you can create a Hammond 370BX transformer with simple CLC or CRC filtering to B +. You want to use a good quality capacitor C4 for the best results.

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