ASYSTEMS SR 707
700 Watt Power Amplifier
POWER AMPS SPECIFICALLY DESIGNED FOR CONTRACTORS
Feature
- Output power: 2 x 350W at 4 ohms, 70V or 100V
- Low impedance output (2 ohms): 550W per channel
- Stereo, bridge or parallel operation modes selectable via rear mounted switch
- XLR and barrier strip input connectors
- Line-level XLR ‘thru’ output connectors
- Output via covered barrier strips
- Wide range of protection circuitry and rumble/electrical filters for complete peace of mind
- Toroidal output transformers provide full electrical isolation and meet worldwide safety standards
- Rack mountable design taking up 3 standard rack spaces (19″ rack)
- Automatic dual-speed, high-efficiency cooling fan
Specifications
Direct Power Out
8 ohm: 240 Watts x 2
4 ohm: 400 Watts x 2
2 ohm, 1kHz, 1%THD: 550 Watts x 2
Bridged mono 8 ohm, 1kHz, 1%THD: 800 Watts
Bridged mono 4 ohm, 1kHz, 1%THD: 1100 Watts
Isolated Constant Voltage Out
200V or 140V Bridge: 400 Watts
100V or 70V: 350 Watts x 2
25V: 280 Watts
Frequency Response
Direct Outputs (+0/-2dB): 50Hz – 50kHz
Isolated Outputs (+0/-2dB): 50Hz – 16kHz
Total Harmonic Distortion: <0.05
Sensitivity (for full output): 1.02V
Voltage Gain: 28dB
Input Impedance
Balanced/Unbalanced: 20k/10k ohm
Damping Factor: >200 (direct output)
S/N Ratio: Less than 100dB below rated output (20Hz – 20kHz)
Protection Circuits:
Front Panel: Power Switch
Rear Panel: Ch 1 & Ch 2 gain controls (41 click); Parallel/Stereo/Bridge Switch
Connectors
Input: XLR Jack x 2, Barrier Strip x 1
Output: Covered Barrier Strip x 2; Heavy-Duty Binding Post
Cooling: One dual speed fan
Indicators:
Net Weight: 24.7 Kg (54.6 lbs)
8 ohm: 240 Watts x 2
4 ohm: 400 Watts x 2
2 ohm, 1kHz, 1%THD: 550 Watts x 2
Bridged mono 8 ohm, 1kHz, 1%THD: 800 Watts
Bridged mono 4 ohm, 1kHz, 1%THD: 1100 Watts
Isolated Constant Voltage Out
200V or 140V Bridge: 400 Watts
100V or 70V: 350 Watts x 2
25V: 280 Watts
Frequency Response
Direct Outputs (+0/-2dB): 50Hz – 50kHz
Isolated Outputs (+0/-2dB): 50Hz – 16kHz
Total Harmonic Distortion: <0.05
Sensitivity (for full output): 1.02V
Voltage Gain: 28dB
Input Impedance
Balanced/Unbalanced: 20k/10k ohm
Damping Factor: >200 (direct output)
S/N Ratio: 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
Front Panel: Power Switch
Rear Panel: Ch 1 & Ch 2 gain controls (41 click); Parallel/Stereo/Bridge Switch
Connectors
Input: XLR Jack x 2, Barrier Strip x 1
Output: Covered Barrier Strip x 2; Heavy-Duty Binding Post
Cooling: One dual speed fan
Indicators:
- Clip: Red
- Signal: Green
- Protect: Yellow
- Power: Red
Net Weight: 24.7 Kg (54.6 lbs)