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Leak Circuit Diagrams

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See also "Firsts in High Fidelity" for a compendium of 30 Leak circuit diagrams.

• Power Amplifiers
  
  • TL/12 - the original Point One triode circuit
  • TL/10
  • TL/25A - KT66 tetrodes
  • TL/12 Plus - ultralinear replacement for theTL/12
  • TL/25 Plus - KT66 valves in ultralinear
  • TL/50 Plus - normal version with 12AT7 driver
    • TL/50 Plus - un-common version with 12AX7 driver stage
  • Stereo 20 (for 3921 output transformers, champagne and most gold chassis)
    • Owner manual Page 1
    • Owner manual Page 2
    • Owner manual Page 3 (with ciruit for 8778 output transformers / grey chassis)
    • Owner manual Page 4
  • Stereo 50
  • Stereo 60

• Pre Amplifiers
  
  • RC/PA/U (Remote Control / Pre Amplifier / Universal)
  • Point One
  • Varislope II
  • Varislope Mono
  • Varislope Stereo (early issue in brown/gold)
  • Varislope 2 Stereo (late issue in grey/silver)

• Radio Tuners
  • FM Tuners
    • Trough-Line II FM Tuner
    • Trough-Line III FM Tuner
    • Trough-Line Stereo - complete with factory stereo decoder circuit.
  • AM Tuners
    • Leak T.R.F. AM tuner, with 4-station preset tuning (rare)
    • Leak VS-Tuner (continuously Variable Selectivity)

• Solid State Integrated Amplifiers
  • Stereo 30
  • Stereo 30 Plus (the later "Delta 30" from Rank-Leak is electrically very similar)
  • Stereo 70 (the later "Delta 70" Rank-Leak is electrically very similar)