23
HELIX BOARD 12 FIREWIRE MKII
Noise
(20Hz~20KHz; measured at main output,
Channels 1-4 unit gain; EQ flat; all channels on main
mix; channels 1/3 as far left as
ossible, channels 2/4
Master
, channel fader down -86.5 dBu
Master
-84 dBu
S/N ration, ref to +4 >90 dB
Microphone Preamp E.I.N. (150 ohms terminated ,
max gain )
<-129.5 dB m
THD
+14dBu, 20Hz to 20KHz,
<0.005%
CMRR
80 dB
Maximum Level
Mic preamp input +10 dBu
All other input +22 dB u
Balanced output +28 dBu
Im
+/-15 dB
Low EQ 80 Hz
Mid EQ 2.5 KHz
Hi EQ 12 KHz
Low cut filter 75Hz (-18dB/oct)
Power Requirement (external power supply ,
depends on region )
100VAC, 120VAC, 220~240VAC, 50/60Hz
Net Weight 2.9 kg (6 lbs)
Dimensions
(
WxHxD
)
245.4x86x271.3 mm (9.7"x3.4"x10.7")