Tube Preamp Schematic

Guitar preamp tone explained Transformers usable 20k secondary 50k primary Are this transformers usable (z primary 5-20k / z secondary 12.5-50k)

6 Tube Stereo Pre

Tube stereo pre amplifier preamp schematics audio power valve vacuum transformer radios circuits electronic secondary list 5a 117v 500v ct Preamp guitar tube stage tone explained effectrode common Schematic 12ax7 tube 12au7 preamp preamplifier amplifier valve vacuum guitar diagram audio diy tubes circuits circuit amp power mini diyaudioprojects

6 tube stereo pre

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StompBoXed - The Guitar Pedal Builders Repository: 12AU7 Tube / Tubed

Are this Transformers usable (Z primary 5-20K / Z secondary 12.5-50k)

Guitar Preamp Tone Explained - Effectrode