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Specifications
Owner’s Manual 167
General SpecificationsAll faders are nominal when measured. (The nominal position is 10 dB lower than the maximum position.)
Output impedance of signal generator: 150 ohms
* IM8-40: 1-40, IM8-32: 1-32, IM8-24: 1-24
Analog Input SpecificationsWhere 0 dBu = 0.775 Vrms and 0 dBV = 1 Vrms
* Sensitivity is the lowest level that will produce an output of +4dB (1.23 V), or the nominal output level when the unit is set to the maximum level. (All faders
and level controls are at their maximum positions.)
Input HPF MONO CH INPUT* 80 Hz, 12 dB/oct
Input Equalization
(+15, -15dB maximum)
Turn over/roll-off frequency of
shelving: 3dB below maximum
variable level.
MONO CH INPUT* HIGH: 10 kHz (shelving)
Hi-MID: 400 Hz-8 kHz (peaking)
LO-MID: 80 Hz-1.6 kHz (peaking)
LOW: 100 Hz (shelving)
ST CH INPUT HIGH: 10 kHz (shelving)
Hi-MID: 3 kHz (peaking)
LO-MID: 800 Hz (peaking)
LOW: 100 Hz (shelving)
LAMP
IM8-40: 3 pcs, IM8-32/24: 2pcs
XLR-4-31 type, The LAMP voltage is 12 V DC between 3 and 4 pins of XLR-4-31 connectors.
Each lamp can use 5 W max.
Signal Indicator MONO CH INPUT*
ST CH INPUT 1-4
INSERT OUT
3 points LED meter (PEAK, 0, -20 dB)
PEAK lights if the signal reaches 3dB below the clipping level.
GROUP OUT, AUX SEND, MONO OUT
LED Level Meter Post STEREO OUT fader
Pre MONITOR control
4x12 points LED meters (PEAK, +10, +6, +3, 0, -3, -6, -10, -15, -20, -25, -30 dB)
USB Audio USB IN/OUT Sampling Frequency = 44.1/48 kHz (depending on the PC application)
Compressor MONO CH INPUT* Control x 1 (gain/threshold/ratio)
Dimensions Height: 219 mm, Depth: 739 mm,
Width: 1716 mm (IM8-40), 1471.5 mm (IM8-32), 1227 mm (IM8-24)
Net Weight 51.5 kg (IM8-40), 44.4 kg (IM8-32), 37.8 kg (IM8-24)
Input Connectors PAD GAIN Input
Impedance
Appropriate
Impedance Sensitivity* Nominal Level Max. before
clipping Connector Specifications
INPUT A (MONO CHs)
IM8-40: 1-40
IM8-32: 1-32
IM8-40: 1-24
0-60 dB
3 kΩ50-600 Ω
Mics
-80 dBu (0.078 mV) -60 dBu (0.775 mV)
-40 dBu (7.75 mV) XLR-3-31 type (balanced [1=GND,
2=HOT, 3=COLD])
-16 dB -36 dBu (12.3 mV) -16 dBu (123 mV) +4 dBu (1.23 V)
26 dB -34 dB -54 dBu (1.55 mV) -34 dBu (15.5 mV) -14 dBu (155 mV)
+10 dB -10 dBu (245 mV) +10 dBu (2.45 V) +30 dBu (24.5 V)
INPUT B (MONO CHs)
IM8-40: 1-40
IM8-32: 1-32
IM8-40: 1-24
0-60 dB
10 kΩ600 Ω
Mics/Lines
-80 dBu (0.078 mV) -60 dBu (0.775 mV)
-40 dBu (7.75m V) TRS phone jack (balanced [Tip =
HOT, Ring = COLD, Sleeve =
GND])
-16 dB -36 dBu (12.3 mV) -16 dBu (123 mV) +4 dBu (1.23 V)
26 dB -34 dB -54 dBu (1.55 mV) -34 dBu (15.5 mV) -14 dBu (155 mV)
+10 dB -10 dBu (245 mV) +10 dBu (2.45 V) +30 dBu (24.5 V)
INPUT A/B (ST CHs) --34 dB 10 kΩ600 Ω Lines -54 dBu (1.55 mV) -34 dBu (15.5 mV) -14 dBu (155 mV) Phone jack (unbalanced)
RCA pin jack
+10 dB -10 dBu (245 mV) +10 dBu (2.45 V) +30 dBu (24.5 V)
INSERT IN (MONO CHs)
IM8-40: 1-40
IM8-32: 1-32
IM8-40: 1-24
-- 10 kΩ600 Ω Lines -20 dBu (77.5 mV) 0 dBu (0.775 V) +20 dBu (7.75 V)
TRS phone jack (unbalanced [Tip
= Out, Ring = In, Sleeve = GND])
INSERT IN (AUX, GROUP,
STEREO, MONO) -- 10 kΩ600 Ω Lines -10 dBu (77.5 mV) 0 dBu (0.775 V) +10 dBu (2.45 V) TRS phone jack (unbalanced [Tip
= Out, Ring = In, Sleeve = GND])
AUX RETURN 1-4 - - 10 kΩ600 Ω Lines -12 dBu (195 mV) +4 dBu (1.23 V) +24 dBu (12.3 V) Phone jack (unbalanced)
2TR IN L/R -- 10 kΩ600 Ω Lines -26 dBV (50.1 mV) -10 dBV (0.316 V) +10 dBV (3.16 V) RCA pin jack
3.5 DIA stereo phone jack
TALKBACK MIC IN - - 10 kΩ600 Ω Lines -66 dBu (0.389 mV) -50 dBu (2.45 mV) -30 dBu (24.5 mV) XLR-3-31 type (unbalanced)