Triode 299 Modification


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Last Edited:

Chris Brady
has done an excellent job documenting many modifications to his H.H. Scott 299-C integrated amplifier.

Note how Chris measures and documents (complete with before-and-after frequency response and distortion graphs!) several modifications including:

Preamp and Tone Circuit Bypass Switch
Open-loop Performance (Elimination of Negative Feedback)
Conversion from Pentode to Triode Output (significantly less power, but also lower distortion)
Additional Bias Adjustment potentiometers
Noble precision Volume control potentiometer

Click here: to view Chris's Tube Haven; Scott 299C Mods


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