System Specifications; Crossover Section; Amplifier Section - Genelec 4020C Operating Manual

SYSTEM SPECIFICATIONS

Lower cut-off frequency, –6 dB:
Upper cut-off frequency, –6 dB:
Accuracy of frequency response:
Maximum short term sine wave acoustic output on axis
in half space, averaged from 100 Hz to 3 kHz:
Maximum long term RMS acoustic output in same
conditions with IEC weighted noise (limited by driver unit
protection circuit):
Maximum peak acoustic output per pair @ 1 m distance
with music material:
Self generated noise level in free field @ 1 m on axis:
Harmonic distortion at 85 dB SPL @ 1 m on axis:
Freq:
Drivers: Bass
Treble
Both drivers are magnetically shielded
Weight: 3.1 kg (6.8 lb)
Dimensions:
Height
Width
Depth
< 56 Hz
> 25 kHz
62 Hz – 20 kHz (± 2.5 dB)
@ 1 m > 100 dB SPL
@ 1 m > 93 dB SPL
> 107 dB
< 5 dB (A-weighted)
50...200 Hz < 3 %
>200 Hz < 0.5 %
105 mm (4 in) cone
19 mm ( / in) metal dome
3
4
226 mm (8 / in)
7
8
151 mm (6 in)
142 mm (5 / in)
5
8

CROSSOVER SECTION

Input connector:
Balanced Euroblock 10 kOhm
Input level for 100 dB SPL output at 1 m:
-6 dBu at volume control max
Level control range relative to max output:
Crossover frequency, Bass/Treble:
Treble Tilt control operating range:
Bass Roll-Off control:
Bass Tilt control operating range in –2 dB steps:
The 'CAL' position is with all tone controls set to 'off'
and the input sensitivity control to maximum (fully
clockwise).

AMPLIFIER SECTION

Bass amplifier output power:
Treble amplifier output power:
Long term output power is limited by driver unit
protection circuitry.
Amplifier system distortion at nominal output:
THD
Mains voltage:
Voltage operating range:
Power consumption:
Idle
Standby in ISS mode
Full output
-40 dB (constantly variable)
3.0 kHz
0 to +2 dB @ 15 kHz
–4 dB step @ 65 Hz
0 to –6 dB @ 100 Hz
50 W
50 W
< 0.05 %
100-240 V AC 50-60 Hz
±10 %
3 W
<0.5 W
60 W
7