• 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.

Need to Upgrade Tube Preamp Volume Pot

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Stepped attenuators, either DIY or off the shelf, are popular. However, stepped attenuators are expensive and the metal film resistors used in their construction can be "cold" sounding.

PEC of Canada makes hot molded carbon controls that are milspec tough, very good sounding, and not especially costly, You can buy PEC controls from DigiKey. A member of the KKA series is appropriate in the stereo volume control role.
 
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