Noise (20Hz~20KHz; measured at main output,
Channels 1-4 unit gain; EQ at; all channels on main
mix; channels 1/3 as far left as possible, channels
2/4 as far right as possible. Reference=+6dBu)
Master @ unity, channel fader down-86.5 dBu
Master @ unity, channel fader @ unity-84 dBu
S/N ratio, ref to +4>90 dB
Microphone Preamp E.I.N. (150 ohms terminated, <-129.5 dBm
max gain)
THD (Any output, 1KHz @ +14dBu, 20Hz to 20KHz, <0.005%
channel inputs)
CMRR (1 KHz @ -60dBu, Gain at maximum)80dB
Maximum Level
Mic Preamp Input+10 dBu
All Other Input+22 dBu
Balanced Output+28 dBu
Impedance
Mic Preamp Input2 K ohms
All Other Input (except insert)10 K ohms
RCA 2T Output1.1 K ohms
All other outputs200 ohms
Equalization3-band, +/-15 dB
Low EQ80 Hz
Mid EQ (mono channel)100-8k Hz, sweepable
LMid EQ (stereo channel)800 Hz
HMid EQ (stereo channel)3 kHz
Hi EQ12 kHz
Low cut lter75 Hz (-18 dB/oct)
Built-in Power Supply100-240 VAC, 50/60 Hz
Weight11.2 lbs (5.1 kg)
Dimensions (WxHxD)16 x 3.5 x 14 (407 x 89 x 357 mm)
PHOORPORATION Helix Board 18 FireWire User's Manualpage 23NIC C |
ACEC
