©
2010
TROUBLESHOOTING
NO OUTPUT -
Check mains power is on
Check leads and connections
Check MASTER LEVEL and mic or channel fader is turned up
Check CROSSFADER by trying the DEFEAT switch
DISTORTED OUTPUT -
Check line input isn't connected to PHONO
Check channel and MASTER faders are not too high
Check volume control of amplifier, active speakers or recording equipment
MICROPHONE FEEDBACK
Eliminate “line-of-sight” between mic(s) and speakers
Check DELAY is not set too high
Adjust Hi or Lo EQ and/or level controls
MICROPHONE OUTPUT
No output
– check if mic switched off
No output
– check if phantom power source is required
Low output
– ensure mic is not switched to “pad” or “Hi Z”
Quiet vocals
– ask singer to sing closer to mic.
DELAY EFFECT
Metallic effect but no delay
– increase TIME control to produce more natural echo
No delay effect
– increase DELAY controls, check nothing is plugged into RETURNS
TOO QUIET -
Check turntable is not connected to line input
Check channel and MASTER faders are not too low
Check for volume control on sound source
SPECIFICATIONS
Parameter
Mic
Phono
Line/CD
Sensitivity
-53dBu
46dBu
0dBu
(1.73mV)
(4mV)
(775mV)
Input Impedance
2K
47K
50K
Max Gain
50dB
<-70 to +10dB
S/N Ratio
68dB
73dB
> 87dB
Freq Response
25Hz to 30KHz
RIAA
< 10Hz to 24 KHz
THD
0.042%
< 0.005%
Microphone Equalisation
Lo = ± 12dB @ 80Hz
Mid = ± 12dB @ 600Hz
Hi = ± 12dB @ 6KHz
Music Channel Equalisation
Lo = ± 12dB @ 100Hz
Mid = ± 12dB @ 1KHz
Hi = ± 12dB @ 10KHz
Noise Floor
Main L, R Output:
< -100dBu
Mic Pre-Amp T.E.I.N.
- 118dBu
Headphones
Load:
32 Ohms MIN
Power:
112mV @ 32 Ohms
Freq Response.
11Hz to 25KHz
S/N
81dB
Output
Master L, R Output:
Balanced XLR:
0 dBu (775mV rms)
Unbalanced Phono:
0 dBu (775mV rms)
Booth, Aux Outputs:
Unbalanced Phono:
0 dBu (775mV rms)
Dimensions:
Width: 483mm (19”)
Height: 177mm (4U)
Depth: 95mm
Weight:
5kg
Cut-out required:
Width: 440mm Height: 165mm
