8
SR703 | SR707 CONTRACTOR AMPLIFIER
English
SR703
SR707
Direct Power Out
8 ohm
120 Watts x 2
240 Watts x 2
4 ohm
200 Watts x 2
400 Watts x 2
2 ohm,1kHz,1%THD
300 Watts x 2
550 Watts x 2
Bridged mono 8 ohm,1kHz,1%THD
420 Watts
850 Watts
Bridged mono 4 ohm,1kHz,1%THD
540 Watts
1100 Watts
Isolated Constant Voltage Out
200V or 140V Bridge
300 Watts
700 Watts
100V or 70V
150 Watts x 2
350 Watts x 2
25V
120 Watts x 2
280 Watts x 2
Frequency Response
Direct Outputs (+0/-2dB)
50Hz - 50kHz
50Hz - 50kHz
Isolated Outputs (+0/-2dB)
50Hz - 16kHz
50Hz - 16kHz
Total Harmonic Distortion
<0�05
<0�05
Sensitivity (for full output)
1�02V
1�02V
Voltage Gain
28dB
28dB
Input Impedance
Balanced/Unbalanced
20k/10k ohm
20k/10k ohm
Damping Factor
>200 (direct output)
>200 (direct output)
S/N Ratio
Less than 100dB below rated output
(20Hz - 20kHz)
Less than 100dB below rated output
(20Hz - 20kHz)
Protection Circuits
Output offset voitage protection
Heat sink overheat protection
Transformer overheat protection
Load shorting protection
Power on/off protection
Output offset voitage protection
Heat sink overheat protection
Transformer overheat protection
Load shorting protection
Power on/off protection
Controls
Front Panel
Power Switch
Power Switch
Rear Panel
Ch 1 & Ch 2 gain controls (41 click);
Parallel/Stereo/Bridge Switch
Ch 1 & Ch 2 gain controls (41 click);
Parallel/Stereo/Bridge Switch
Connectors
Input
XLR Jack x 2, Barrier Strip x 1
XLR Jack x 2, Barrier Strip x 1
Output
Covered Barrier Strip x 2;
Heavy-Duty Binding Post
Covered Barrier Strip x 2;
Heavy-Duty Binding Post
Cooling
One dual speed fan
One dual speed fan
Indicators
Clip: Red
Signal: Green
Protect: Yellow
Power: Red
Clip: Red
Signal: Green
Protect: Yellow
Power: Red
Dimensions (HxWxD)
132 x 480 x 395mm (5�2” x 19” x 15�6”)
132 x 480 x 395mm (5�2” x 19” x 15�6”)
Net Weight
20 Kg (44�1 lbs)
24�7 Kg (54�6 lbs)
SPECIFICATIONS
