This SPL Frontliner channel strip combines Preamp, De-Esser, Compressor, EQ and Tube Output for a fully featured recording channel. But often the particular stages would also be a great addition to an engineers mixing tools arsenal - and that is why SPL has spent dedicated I/Os to each section of this unit.
Each stage can be used separately and for example be routed via a patchbay to insert the whole toolbox into a studio environment. The Frontliner features a hybrid, Class A preamp design with discrete solid state stage and a tube section with switchable drive settings.
Specifications:
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
Microphone input: +13dB to +68dB
Line input: -20dB to +10dB
Instrument input: +6dB to +43dB
Frequency ranges (-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/120V AC, 60Hz: 630mA
Voltage selector: 115V/230V
Power consumption: 29W
Housing (W x H x D): 482 x 88 x 261mm (Depth with controls and sockets)
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