528E
37
528E Specifi cations
Specifi cationsChapter 11
Inputs
Controls and Switches Mic Gain, Phantom Power,
Mic/Line
Mic and Line Input Connectors XLR-female (2)
Clip LED Lights at +17 dBu output level
from mic preamp or line input amplifi er
Microphone Input Type Balanced
Transformerless,
Low Impedance
Phantom Power (DIN 45 596) +48V, nominal
Microphone Preamp Gain 22 to 60 dB (pad out)
7 to 45 dB (pad in)
Microphone Input Maximum Input Level -3 dBu (pad out)
Equivalent Input Noise (EIN) -126 dBV (150-0 Ohm
source, 20 Hz to 20 kHz)
THD + Noise (Preamp only) 0.05% (2 kHz, 50 dB gain,
+17 dBu output)
Mic Preamp CMRR > 60 dB (40 dB gain, 20 Hz to 20 kHz)
Line Input Type and Impedance 10k Ohm Transformerless
Balanced Bridging
Line Input Maximum Input Level +24 dBu
Line Input Nominal Input Level +4 dBu
Line Input CMRR > 50 dB (0 dBu, 20 Hz to 20 kHz)
Parametric Equalizer
Type Three-band Parametric Equalizer
Bands Low: 16 to 500 Hz, Mid: 160 to 6300 Hz
High: 680 Hz to 22 kHz
Peak/Dip Bandwidth 0.3 to 4 octaves, measured at
maximum boost
Maximum Boost/Cut +/- 15 dB
Metering
Type Multi-segment LED bar graph
Output Level -20 to +3 VU (0 VU = +4 dBu), VU
calibrated,
peak responding
Gain Reduction Separate displays for:
de-esser, downward expander,
and compressor
0 to 20 dB per display
Overall Performance Data
Frequency Response 20 Hz to 20 kHz (+0, -0.5 dB), EQ cut
compressor out, downward
expander out, de-esser out
THD + Noise 0.05%, 20 Hz to 20 kHz,
+4 dBm output
Noise Floor Better than -89 dBu, 20 Hz to 20 kHz
Dynamic Range Processor
Type Interactive Comp/Limiter-Downward Expander
Comp/Limiter Ratio 1:1 to 10:1
Downward Expansion Ratio (max) 1:1.8
De-esser Type Program controlled high-cut fi lter,
12 dB/octave
Frequency Range 800 Hz to 8000 Hz
Threshold -30 to 0 dBu
Output Section Type Balanced, Transformerless
Maximum Output Level +24 dBm Balanced, +18
dBm Unbalanced
Connector XLR-male
Output Clip LED Lights 3 dB below clipping
Output Source Impedance 200 Ohms, Balanced
Minimum Load Impedance 600 Ohms Balanced or
Unbalanced
Voice Symmetry Switch Improves modulation
symmetry of speech signals
Output Gain +/- 15 dB
Physical
Size (hwd) 1.72 x 19 x 7.25 inches,
4.37 x 48.26 x 18.415 centimeters
Weight 7.6 lbs (3.5 kg) net, 10 lbs (4.6 kg) shipping
Electrical
Power Requirements 117V nominal, 105 to 125V AC,
50 to 60 Hz, 15 watts maximum
230V nominal, 205 to 253V AC, 50 Hz 15 watts maximum
Note: The maximum operating ambient temperature is
25 degrees C.
Specifi cations subject to change without notice.
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