Frontliner

Recording Channel

Maximum input level    

  • Microphone input @ 13dB gain: +9dBu 
  • Line input: +22dBu
  • Instrument input: +11,5dBu
  • De-Esser input: +21dBu
  • Compressor input: +21dBu
  • EQ-/Tube Saturation input: +21dBu


Maximum output level: 21.5dBu

Gain control ranges

  • Microphone input: +13dB to +68dB
  • Line input: -20dB to +10dB
  • Instrument input: +6dB to +43dB


Frequency range (-3dB)

  • Channel strip: 10Hz to 50kHz
  • Microphone preamplifier: ‹10Hz to 50kHz
  • Line preamplifier: ‹10Hz to 50kHz
  • Instrument preamplifier: ‹10Hz to 50kHz
  • De-Esser: ‹10Hz to 140kHz
  • Compressor: ‹10Hz to 180kHz
  • Equalizer/Tube Saturation: ‹10Hz to 60kHz


Common mode rejection
(@ 1kHz, 0dBu input level and unity gain)

  • Microphone preamplifier: ›80dB
  • Line preamplifier: ›75dB
  • Instrument preamplifier: ›75dB
  • De-Esser: ›75dB
  • Compressor: ›75dB
  • Equalizer/Tube Saturation line: ›75dB


Total harmonic distortion
(in %, @ 1kHz, 0dBu input level and unity gain)

  • Channel strip: 0.03
  • Microphone preamplifier: 0.03
  • Line preamplifier: 0.03
  • Instrument preamplifier: 0.03
  • De-Esser: 0.002
  • Compressor: 0.007
  • Equalizer/Tube Saturation Line: 0.01


Signal to noise ratio (A-weighted)

  • Microphone preamplifier (VU=30dB): -91.5dB
  • Line preamplifier: -94.7dB
  • Instrument preamplifier: -95.5dB
  • De-Esser: -97dB
  • Compressor: -97dB
  • Equalizer/Tube Saturation Line: -91dB


Dynamic range (unweighted)

  • Channel strip: 110dB (microphone input › main outputs, @ 30dB)
  • Channel strip: 112dB (line input › main outputs)
  • Channel strip: 112dB (instrument input › main outputs)
  • Microphone preamplifier (@ 30dB): 110dB
  • Line preamplifier: 114dB
  • Instrument preamplifier: 105dB
  • De-Esser: 115dB
  • Compressor: 115dB
  • Equalizer/Tube Saturation Line: 112dB


E.I.N. microphone preamplifier:
-127dBu
(@ 68dB gain, Rs=150Ohms, 20-22kHz)

Power supply

  • Two toroidal transformers
  • Audio transformer: 20VA
  • Transformer other currents: 15VA
  • Fuses: 230V AC, 50Hz: 315mA/115V AC, 60Hz: 630mA
  • Voltage selector: 115V/230V
  • Power consumption: 29W 


Dimensions and weight

  • Housing (W x H x D): 482 x 88 x 261mm (Depth with controls and sockets)
  • Weight: 5,7kg/12,57 lbs (w/o converter & I/O transformers)


Note: 0dBu = 0.775V. Subject to change without notice.