Build Guide - Calibration

Set [ATTENUATION] fully clockwise to ‘0dB’

CV Feedthrough Adjust

CHANNEL 1

  1. Set [GAIN][1] fully clockwise
  2. Connect a 50Hz 5VDC sawtooth to [PAN CV][1]
  3. Set [PAN][1] to 'L'
  4. Set [PAN CV][1] to 'L-R'
  5. Monitor TP5
  6. Adjust P101 for minimum break-through
  7. Set [PAN] [1]to 'R'
  8. Set [PAN CV][1] to 'R-L'
  9. Monitor TP6
  10. Adjust P102 for minimum break-through


CHANNEL 2

  1. Set [GAIN][2] fully clockwise
  2. Connect a 50Hz 5VDC sawtooth to [PAN CV][2]
  3. Set [PAN][2] to 'L'
  4. Set [PAN CV][2] to 'L-R'
  5. Monitor TP5
  6. Adjust P201 for minimum break-through
  7. Set [PAN][2] to 'R'
  8. Set [PAN CV][2] to 'R-L'
  9. Monitor TP6
  10. Adjust P202 for minimum break-through


GAIN ADJUST

CHANNEL 1

  1. Set [GAIN][1] fully clockwise
  2. Connect a 1kHz 5VAC triangle to [CHANNEL 1]
  3. Set [PAN][1] to 'R'
  4. Monitor TP5
  5. Adjust P103[1] for an output of 5.5VAC p-p
  6. Set [PAN][1] to 'L'
  7. Monitor TP6
  8. Adjust P104[1] for an output of 5.5VAC p-p


CHANNEL 2

  1. Set [GAIN][2] fully clockwise
  2. Connect a 1kHz 5VAC triangle to [CHANNEL 2]
  3. Set [PAN][2] to 'R'
  4. Monitor TP5
  5. Adjust P103[2] for an output of 5.5VAC p-p
  6. Set [PAN][2] to 'L’
  7. Monitor TP6
  8. Adjust P104[2] for an output of 5.5VAC p-p


Email:  elby-designs@bigpond.com
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