Specifications


Front View
 
Rear View


Physical *
Depth 363mm / 14.3 inches - including casing and heatsink, excluding front panel knob(s)
and rear connectors
  425mm / 16.75 inches - including connectors, excluding front panel knob(s)
Height 44.5mm/1.75 inches (1 RU)
Width 444mm / 17.5 inches - casing only
  481mm / 19 inches - including rack ears
Weight 4.0kg / 9 pounds
Power 35 Watts / 47 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 6.3kg / 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 16kHz
  Gain Variable between ±15dB (‘02’)
    Variable between ±18dB (‘242’)
  ‘Q’ (on ‘BELL’ setting) 0.8 (‘02’)
    1.3 (‘242’)
HMF Band controls:
  Frequency Variable from 600Hz to 7kHz
  Gain Variable between ±15dB (‘02’)
    Variable between ±18dB (‘242’)
  ‘Q’ Variable from 0.5 to 2.5 (‘02’)
    Variable from 0.5 to 4 (‘242’)
LMF Band controls:
  Frequency Variable from 200Hz to 2.5kHz
  Gain Variable between ±15dB (‘02’)
    Variable between ±18dB (‘242’)
  ‘Q’ Variable from 0.5 to 2.5 (‘02’)
    Variable from 0.5 to 4 (‘242’)
LF Band controls:
  Frequency Variable from 30Hz to 450Hz
  Gain Variable between ±15dB (‘02’)
    Variable between ±18dB (‘242’)
  ‘Q’ (on ‘BELL’ setting) 0.8 (‘02’)
    1.3 (‘242’)
Filter controls:
  Low Pass Frequency 3kHz to 16kHz (–3dB Point)
  Low Pass Slope 12dB/octave
  High Pass Frequency 20Hz to 350Hz (–3dB Point)
  High Pass Slope 12dB/octave (‘02’)
    18dB/octave (’242’)

 

Channel Dynamics
Compressor/Limiter
Controls:
  Ratio (slope) Variable from 1 to infinity (limit)
  Threshold Variable from +10dB to –30dB
  Attack Slope Normally ‘Over Easy’, switchable to ‘Hard Knee’
  Attack Time Normally 30mS per 20dB*, switchable to 3mS (‘Fast Att’)
  Release Variable from 0.1 to 4 seconds
  Release Slope Normally ‘Logarithmic’, switchable to ‘Linear’
Expander/Gate
Controls:
  Range Variable from 0 to 40dB
  Threshold Variable from –30dB to +10dB
  Attack Time Normally 1.5mS per 40dB, switchable to 100µs
  Release Time Variable from 0.1 to 4 seconds

 

Performance Specification*
 
Microphone Input 1 (Transformer Coupled)
Gain Continuously variable from +20dB to +70dB
  Independently switchable 22dB Pad available
Input Impedance > 1.2k ohms
Output Headroom > +26dBu at onset of clipping
THD + Noise (-12dBu applied, +36dB gain) < 0.025% from 20Hz – 20kHz
Frequency Response ±0.25dB from 20Hz to 20kHz
Equivalent Input Noise < –128dBu at maximum gain (input terminated with 150 ohms)
Common Mode Rejection (-10dBu applied, +30dB gain) > 90dB from 50Hz to 1kHz
    > 80dB at 10kHz
Microphone Input 2 (Electronically Balanced)
Gain Continuously variable from +20dB to +70dB
  Independently switchable 22dB Pad available
Input Impedance > 1.2k ohms
Output Headroom > +26dBu at onset of clipping
THD + Noise (-12dBu applied, +36dB gain) Adjustable between < 0.05% and 5% from 20Hz – 20kHz
Frequency Response ±0.3dB from 20Hz to 20kHz
Equivalent Input Noise < –127dBu at maximum gain (input terminated with 150 ohms)
Common Mode Rejection (-10dBu applied, +30dB gain) > 75dB from 50Hz to 1kHz
    > 65dB at 10kHz
Line Input
Gain Continuously variable from –20dB to +20dB
Input Impedance 6k ohms
THD + Noise (+24dBu applied, 0dB gain) < 0.005% from 20Hz to 20kHz
Frequency Response ±0.25dB from 20Hz to 20kHz
Equivalent Input Noise (Input terminated with 150 ohms) < –89dBu
Channel Output
Gain Continuously variable from -20dB to +20dB with indent at 0dB position
Output Headroom > +26dBu at onset of clipping
Output Impedance < 40 Ohms
Channel Equaliser
THD + N < 0.005% at +20dBu 1kHz
Frequency Response ±0.25dB from 20Hz to 20kHz
Output Headroom > +26dBu at onset of clipping
Noise < –73dBu
Channel Dynamics
THD + N (+10dBu applied) < 0.01% at 1kHz
Output Headroom > +26dBu at onset of clipping
Frequency Response ±0.25dB from 20Hz to 20kHz
Noise < –73dBu
 
* See User Manual for measurement conditions & references