Preamplifier Phono Stage
 
  • R1 - 47k Vishay S102
  • R2 - 33R
  • R3 - 33R
  • R4 - 330R
  • R5 - 10k
  • R6 - 470R
  • R7 - 470k
  • R8 - 47R
  • R9 - 150k//383k Holco H8 + 12k (for low Z driver)
  • R11 - 1M//16k2 Holco H8
  • R12 - 1M
  • R13 - 100R
  • R14 - 1k (390R)
  • R15 - 47k Resista MK8 (18k 3W)
  • R16 - 1k8
  • R17 - 4k7
  • C1 - 22u 400V Ansar (150u Black Gate)
  • C2 - 0.47u Sidereal (0.47u Crescendo if mu follower stays)
  • C3 - 2 x // 10n 630v Suflex polystyrene
  • C4 - 6n8 630v Suflex polystyrene
  • C5 - 0.15u Sidereal (0.1u Crescendo)
  • C6 - 0.68u WonderCap (1u Crescendo)
  • C7 - 22u 400V Ansar (150u Black Gate)
  • V1a/b - 6SL7 Sylvania NOS
  • V2 - 1/2 5965 Mullard
  • V3 - 1/2 12AU7 Mullard (6SN7/CV1988 Brimar NOS)

All resistors Maplin metal film unless stated otherwise. Planned replacements in ()

 
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