Phonoclone Low Output MC pre

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Phonoclone Low Output MC pre

Phonoclone 3 Project Page

Phonoclone 3 Dual-Mono MC Phono Stage with X-reg

Build A PhonoClone 3 on a PCB Powered by Batteries

Denon DL-103r

Denon DL-103R Specifications

  • Output: 0.25 mV
  • Output impedance: 14ohms
  • Stylus: 16.5 Micron round tip
  • Coils: copper (6N)
  • Frequency range: 20Hz-45kHz
  • Tracking force: 2.3-2.7g
  • Compliance 5x10-6cm/dyne
  • Weight: 8.5g

Phonoclone Gain Resistor Selection Utility

(c) 2009 RJM Audio

  • Cartridge Impedance 14 Ohms * input fields in red, output in black
  • Cartridge Output 0.25 mV * check units!
  • Phonoclone R1 14 Ohms * optional
  • Phonoclone R2 559.999999999999 Ohms * round off to nearest convenient value!
  • Phonoclone Gain 62.0411998265592 dB * consider switching to OP37 in IC1 if Gain > 80 dB

results above will insure output is gain-matched to a typical CD player

Phonoclone Gain Calculator