Specifications


Front View
 
Rear View


Physical *
Depth 325mm/12.8 inches not including heatsink
  365mm/14.3 inches including heatsink
  400mm/15.75 inches including connectors
Height 44.5mm/1.75 inches (1 RU)
Width 480mm/19 inches
Weight 4.1kg/9 pounds
Power 22 Watts/30 VA
Boxed size 520mm x 520mm x 182mm (20.5" x 20.5" x 7.2")
  12.75" x 21.75" x 3.25"
Boxed weight 6.4kg (14 pounds)
 
* All values are approximate

 

Environmental
Temperature Operating: +5 to 30 deg. C
  Non-operating: –20 to 50 deg. C
  Max. gradient: 15 deg. C/hour
Relative Humidity Operating: 20 to 80 %
  Non-operating: 5 to 90 %
  Max. wet bulb: 29 deg. C (non-condensing)
Vibration Operating: < 0.2 G (3 – 100Hz)
  Non-operating, power off: < 0.4 G (3 – 100Hz)
Shock Operating: < 2 G (10ms max.)
  Non-operating: < 10 G (10ms max.)
Altitude Operating: 0 to 3000m (above sea level)
  Non-operating: 0 to 12000m

 

EQ
HF Band controls:
  Frequency Variable from 1.5kHz to 22kHz
  Gain Variable between ±20dB
  ‘Q’ 2.5 (on ‘BELL’ setting)
HMF Band controls:
  Frequency Variable from 600Hz to 7kHz
  Gain Variable by > ±20dB
  ‘Q’ Variable from 0.5 to 2.5 (may also vary with gain)
LMF Band controls:
  Frequency Variable from 200Hz to 2.5kHz
  Gain Variable by > ±20dB
  ‘Q’ Variable from 0.5 to 2.5 (may also vary with gain)
LF Band controls:
  Frequency Variable from 40Hz to 600Hz
  Gain Variable between ±16.5dB
  ‘Q’ 2.5 (on ‘BELL’ setting)
Filter controls:
  Low Pass 3kHz to 50kHz (–3dB Point) @ 12dB/Octave
  High Pass 20Hz to 500Hz (–3dB Point) @ 18dB/Octave

 

Channel Dynamics
Compressor/Limiter
Controls:
  Ratio (slope) Variable from 1 to infinity (limit)
  Threshold Variable from +10dB to –30dB
  Attack Time Normally auto sensing, switchable to 1mSec
  Release Variable from 0.1 to 4 seconds
Expander/Gate
Controls:
  Range Variable from 0 to 40dB
  Threshold Variable from –30dB to +10dB
  Attack Time Normally auto-sensing, switchable to 150µs
  Hold Time Variable from 0 to 4 seconds
  Release Time Variable from 0.1 to 4 seconds

 

Performance Specification*
 
Channel Microphone Amplifier
Gain Variable from +6dB to +72dB in 6dB steps
  Independently switchable 18dB Pad available
Input Impedance > 1.5k Ohms (or 8.45k Ohms with HI Z ‘IN’)
Output Headroom > +26dBu at onset of clipping
THD + Noise   < 0.003% at 1kHz
  (-10dBu applied, +30dB gain) < 0.005% at 10kHz
Frequency Response +0.05dB/-0.1dB from 20Hz to 20kHz
  –3dB at 200kHz
Equivalent Input Noise < –127dBu at maximum gain (input terminated with 150 Ohms)
  < –90dBu at 0dB gain (+18dB with Pad ‘IN’)
Common Mode Rejection > 75dB from 50Hz to 1kHz
  (-10dBu applied, +30dB gain) > 70dB at 10kHz
Channel Instrument Input
Gain Variable from +6dB to +72dB in 6dB steps
  Independently switchable 18dB Pad available
Input Impedance 1M Ohms
Output Headroom > +26dBu at onset of clipping
THD + Noise   < 0.003% at 1kHz
  (-10dBu applied, +30dB gain) < 0.005% at 10kHz
Frequency Response +0.05dB/-0.1dB from 20Hz to 20kHz
  –3dB at 200kHz
Equivalent Input Noise   < –70dBu at +40dB gain
  (Input terminated with 150 Ohms) < –89dBu at +20dB gain
Channel Output
Gain Continuously variable from -20dB to +20dB with indent at 0dB position
Output Impedance < 40 Ohms
Channel Equaliser
THD + N < 0.005% at +20dBu 1kHz
  < 0.007% at +20dBu 10kHz
Frequency Response ±0.1dB from 20Hz to 20kHz
  –3dB at 200kHz
Output Headroom > +26dBu at onset of clipping
Noise < –86dBu
Channel Dynamics
THD + N (+10dBu applied) < 0.01% at 1kHz
THD + N (Fast Attack Mode) (+14dBu applied, input gain set to +6dB, Compressor Threshold set at –20, Compressor Ratio
adjusted to give +4dBu at Output. RMS sensing mode selected)		 < 0.3% at 1kHz
THD + N (Fast Attack Mode)
"
 < 0.05% at 10kHz
THD + N (Slow Attack Mode)
"
 < 0.03% at 1kHz
THD + N (Slow Attack Mode)
"
 < 0.05% at 10kHz
Output Headroom > +26dBu at onset of clipping
Frequency Response ±0.2dB from 20Hz to 20kHz
  –3dB at 130kHz
Noise < –86dBu
 
* See User Manual for measurement conditions & references