SPECIFICATIONS
Inputs
Total channels
Balanced Mono Mic/Line channel
Balanced Stereo Line Channel
AUX Return
2T Input
Outputs
Main L/R Stereo
ALT 3-4
Rec Out with trim control
CTRL RM L/R
Phones
USB 2.0 Interface
Channel Strips
Insert Points
AUX Send
Pan/Balance Control
Volume Controls
Master Section
Stereo AUX Returns
Effects Return to Monitor
Control Room/Phones Level Control
Faders
Metering
Number of Channels
Segments
Phantom Power Supply
Switches
Effect Processor
Frequency Response (Mic input to any output)
20Hz ~ 60KHz
20Hz ~ 100KHz
Crosstalk (1KHz @ 0dBu, 20Hz to 20KHz bandwidth, channel in to main L/R outputs)
Channel fader down, other channels at unity
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 possible, channels 2/4 as far right as possible. Reference=+6dBu)
Master @ unity, channel fader down
Master @ unity, channel fader @ unity
S/N ration, ref to +4
HELIX BOARD 12 PLUS
6
4
2
2 Stereo
Stereo RCA
2 x 1/4" TRS, Bal.
2 x 1/4" TRS, Bal.
Stereo RCA
2 x 1/4" TS
1
10 in & 2 out, 24-bit / 96 kHz
8 in & 2 out, 24-bit / 192 kHz
6
2
2
Yes
Rotary
2
1
Yes
Main L/R, 60mm fader
2
8
+48VDC
Master
100 programs plus tap delay;
foot switch (effect on/off, tap)
+0/-1 dB
+0/-3 dB
<-90 dB
-86.5 dBu
-84 dBu
>90 dB
21