Comparison of passive magnetic preamps

Function or parametericOn TVC/AVC preampgeneral magnetic passive preamp
volume control deviceTVC with AVC mode, icOn3 built on AVCAVC or TVC, but only one kind
number of volume steps45 or 6624
volume step size1dB2dB
balance controlyesno
full remote control: volume, balance, inputs and other functionsyesno
menu for customisationyesno
display with all essential infoyesno
automatic input level matchingyesno
built in microprocessor with smart functionsyesno
future-proof through firmware upgradeyesno
switching deviceminiature hermetically sealed reed relaysopen contact rotary switches
mechanical life of switches (number of switch cycles)approx. one billionless than one hundred thousand
trigger output for power amplifieryes (optional)no
outputsunbalanced and balancedusually unbalanced
custom builtyesusually no
warranty2 or 5 years1 year
price£ 2000-3000£ 2,000 - 10,000

icOn
TVC/AVC preamp

£ 2000 - 3000
  • volume control device: TVC with AVC mode, icOn3 built on AVC
  • number of volume steps: 45 or 66
  • volume step size: 1dB
  • balance control: YES
  • full remote control: volume, balance, inputs and other functions: YES
  • menu for customisation: YES
  • display with all essential info: YES
  • automatic input level matching: YES
  • built in microprocessor with smart functions: YES
  • future-proof through firmware upgrade: YES
  • switching device: miniature hermetically sealed reed relays
  • mechanical life of switches (number of switch cycles): approx. one billion
  • trigger output for power amplifier: YES (optional)
  • outputs: unbalanced and balanced
  • custom built: YES
  • warranty: 2 or 5 years

general magnetic
passive preamp

£ 2,000 - 10,000
  • volume control device: AVC or TVC, but only one kind
  • number of volume steps: 24
  • volume step size: 2dB
  • balance control: NO
  • full remote control: volume, balance, inputs and other functions: NO
  • menu for customisation: NO
  • display with all essential info: NO
  • automatic input level matching: NO
  • built in microprocessor with smart functions: NO
  • future-proof through firmware upgrade: NO
  • switching device:
    open contact rotary switches
  • mechanical life of switches (number of switch cycles): less than one hundred thousand
  • trigger output for power amplifier: NO
  • outputs: usually unbalanced
  • custom built: usually no
  • warranty: 1 year

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