• 41Hz Audio Amps
  • FAQ for the 41Hz Audio kits
  • Small amps based on TA2020 and TA2021B, up to 2x25W
    • AMP3, AMP32, AMP32-PS
    • AMP6 and AMP6-BASIC
  • Medium power ampes based on TA2022, typically 2x50W
    • AMP1
    • AMP5 and AMP10
  • High power amps based on TA3020
    • AMP2 and Truepath
    • AMP7 and AMP15
  • TC2001 chipset amplifiers of all sizes
    • AMP4
    • AMP8
    • AMP11
    • TDA2500 family amps
  • Four channel TAA4100A based amps
    • AMP9
  • Power Supply Kits
  • Misc 41Hz Audio stuff
    • "Non-HiFi" use; guitar, PA, car amps etc
    • Buy and sell. Ready built boards
    • Sound and reviews of the 41Hz Audio amps
    • Misc 41Hz stuff
    • Future 41Hz Audio kits and boards
• Amplifier and other audio related goodies, tools and resources
  • Building and testing amps
    • Input sensitivity, pots and preamps
    • Soldering stations, soldering tools
    • Building experiences
    • Building techniques
    • Audio measurement techniques
    • Transformers and casings
  • About class D / class T amps
    • Non-41Hz Auido switch mode amps
    • Links to other sites about 41Hz/D/T-class amps
  • Misc audio related
  • Whatever..... Are you serious?

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