Electrocompaniet EC4.9 (6 channel) User Manual
Page 5

Input configurations
XLR input:
1 = ground
2 = positive
3 = negative
RCA:
Circle = ground
Centre = positive
Output configurations
XLR output:
1 = ground
2 = positive
3 = negative
Speaker:
Red = positive
Black or White = ground
RCA to XLR adapter:
1 & 3; ground and negative = shorted,
2 = positive
Technical specifications EC 4.9
The following technical data were measured on randomized test objects and are typical data.
All measurements are made at 120V / 240V // 50Hz / 60Hz
Measurements
Single ended
Balanced
Input impedance
47 kOhm
47 kOhm
Output impedance
100 Ohm
100 Ohm
Maximum gain
6 dB
6 dB
Minimum gain
- 111 dB
- 111 dB
Noise floor (0 dB gain)
< -130 dB
< -130 dB
THD (1V in, 1V out)
-120 dB
-130 dB
Max input
+- 15Vp-p
+- 30Vp-p
Max output
+- 30Vp-p
+- 30Vp-p
Frequency response
1 – 200 kHz
1 – 200 kHz
Channel separation
> 120 dB
> 120 dB
Power consumption (no load or signal) 30 W
The EC 4.9 is DC coupled from input to output.
Dimensions
Width:
483 mm
Depth:
405 mm
Height:
125 mm
Weight:
12 kg
Specifications subject to change without notice.