Z4-8MK4 Installation and User Guide v1.2 29
Technical Specications
Z4MK4 & Z8MK4
Line Inputs:
Frequency Response
20 Hz – 20 kHz ±0.5 dB
Distortion <0.08% 20 Hz - 20 kHz
Sensitivity -11 dBu (218 mV) to +12.5 dBu (3.2V), +/0.5 dBu
Input Gain Control 20 dB (unbal i/p’s); 22 dB (bal i/p’s)
Input Impedance 47 kohms
Headroom >20 dB
Noise -90 dB A weighted (0 dB gain)
Equalisation
HF: ±10 dB @ 10kHz, LF: ±10 dB @ 50 Hz
Microphone Inputs:
Frequency Response 100 Hz / -3 dB (lter) 20 kHz ±0.5 dB
Distortion <0.03% 20 Hz – 20 kHz
Gain Range 10 dB – 50 dB
Input Impedance >2 kohms (balanced)
Phantom power +12 V (Internal DIP switch for on/off)
Headroom >20 dB
Noise -120 dB EIN 22 Hz - 22 kHz (150 ohms)
Equalisation
HF: ±10 dB @ 5 kHz, LF: ±10 dB @ 100 Hz
Fixed High Pass Filter: 3rd. order (18 dB/oct) @ 100 Hz
Facility Input:
Input Impedance 10 kohms (balanced); pin 3 (+), pin 4 (-)
Sensitivity 0 dBu (775 mV)
Noise Gate Use J4 to disable
Outputs:
Balanced Zone Outputs 775 mV (0 dBu), 3-pin screw terminal connector
Minimum load impedance 600 ohms
Maximum output level +20 dBu (7.75V)
General:
Z4MK4 Z8MK4
Power input 85 V to 253 V AC, 47 - 63 Hz
Fuse rating 250 V – T1A H (high breaking capacity)
Fuse type 20 mm x 5 mm 250 V
Dimensions (WxHxD)
482.6 mm x 132.5 mm (3U) x 160.0 mm
19” x 5.25” (3U) x 6.3”
Weight
3.25 kg net
7.28 lbs
3.60 kg net
8.06 lbs
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