7
AMPLIFIER SECTION
Bass amplifier output power:
50 W
Treble amplifier output power:
50 W
Long term output power is limited by driver unit
protection circuitry.
Amplifier system distortion at nominal output:
THD
< 0.05 %
Mains voltage:
100-240 V AC 50-60 Hz
Voltage operating range:
±10 %
Power consumption:
Idle
3 W
Standby (ISS active)
<0.5 W
Full output
60 W
SYSTEM SPECIFICATIONS
Lower cut-off frequency, –6 dB:
< 47 Hz
Upper cut-off frequency, –6 dB:
> 25 kHz
Accuracy of frequency response:
54 Hz – 20 kHz (± 2.0 dB)
Maximum short term sine wave acoustic output on axis
in half space, averaged from 100 Hz to 3 kHz:
@ 1 m > 104 dB SPL
Maximum long term RMS acoustic output in same
conditions with IEC weighted noise (limited by driver unit
protection circuit):
@ 1 m > 96 dB SPL
Maximum peak acoustic output per pair @ 1 m distance
with music material:
> 110 dB
Self generated noise level in free field @ 1m on axis:
< 5 dB (A-weighted)
Harmonic distortion at 85 dB SPL @ 1m on axis:
Freq:
50…100 Hz < 2 %
>100 Hz < 0.5 %
Drivers: Bass
130 mm (5 in) cone
Treble
19 mm (
3
/
4
in) metal dome
Weight:
4.9 kg (10.8 lb)
Dimensions:
Height
285 mm (11
1
/
4
in)
Width
189 mm (7
7
/
16
in)
Depth
178 mm (7
1
/
16
in)
CROSSOVER SECTION
Input connector: Balanced 10 kOhm 3 pin Euroblock
Input level for 100 dB SPL output at 1 m:
-6 dBu
Level control range:
-40 dB constantly variable
Crossover frequency, Bass/Treble:
3.0 kHz
Treble Tilt control operating range:
0 to +2 dB @ 15 kHz
Bass Roll-Off control:
–4 dB @ 55 Hz
Bass Tilt control operating range in –2 dB steps:
0 to –6 dB @ 100 Hz
The ‘CAL’ position is with all tone controls set to ‘off’
and the level control to maximum (fully clockwise).
Содержание 4030C
Страница 1: ...4030C Operating Manual ...
