46 Series Installation and User Guide V1.0
31
TECHNICAL SPECIFICATIONS
Line Inputs
Frequency Response 20 Hz to 20 kHz, ±1 dB
Sensitivity 195 mV (-12 dBu) to 2.0 V (+8 dBu)
Input impedance >10 kohms (balanced/unbalanced)
Headroom 12 dB
Noise <-90 dB (22 kHz bandwidth)
Equalisation HF: ±10 dB @ 10 kHz; LF: ±10 dB @ 50 Hz
Microphone Input
Frequency Response -3 dB @100 Hz (xed lter) to 20 kHz, ±1 dB
Sensitivity 2.54 mV (-50dBu) to 245 mV (-10 dBu)
Input Impedance 3.3 kohms (balanced)
Phantom Power 12 V, switchable per-input by jumpers
Headroom 16 dB
Noise (EIN) <-126 dBu
Equalisation HF: ±10 dB @ 5 kHz; LF: ±10 dB @ 100 Hz
Facility Input
Frequency Response 20 Hz to 20 kHz, ±1 dB
Sensitivity 0.775 V (0 dBu)
Input impedance 10 kohms (balanced)
Headroom 18 dB
Noise Gate -60 dB
Main Output
Output Power (1 kHz continuous sine wave)
46-120MK2
120 watts per zone nominal;
240 W total available in Power Sharing mode
46-240 240 watts per zone maximum
Minimum load
Low-Z output 4 or 8 ohms
High-Z output
70 V-line
46-120MK2 41 ohms
46-240 20.5 ohms
100 V-line
46-120MK2 66 ohms
46-240 33 ohms
Frequency response
Low-Z output 20 Hz to 20 kHz, ±1 dB
High-Z output 20 Hz to 20 kHz, ±1 dB (65 Hz lter off)
THD + N < 0.05% @ 1 kHz
Protection
Fixed level signal limiter: DC, over-current and over-temperature
protection. Internal and external 20 mm cartridge fuses.
Utility and Auxiliary Outputs
Nominal output level 0 dBu (0.775 V
rms
), balanced
Noise <-90 dB, 22 kHz bandwidth
General
Power input Universal type, 85 to 265 VAC, 45 to 65 Hz
Fuse details
46-120MK2 5 x 20 mm, time delay, T5A
46-240 5 x 20 mm, time delay, T8A
Normal operating temperature
0 °C to 35 °C (Note: performance and specications cannot be guaranteed
outside of this range)
Cooling Forced air cooling (front to back)