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The Ashly SRA-2150 is a 2-channel convection-cooled rackmount P.A. or studio power amplifier housed in a rugged 1RU metal chassis, offering an output of 80 Watts per side at 8 Ohms, designed to drive 4 and 8 Ohm loads.
The SRA-2150 incorporates a switch-mode-power supply and Class-D amplifier circuitry, providing a power-efficient solution. The low-noise unit features a switchable HPF filter and selectable gain sensitivity, turn-on delay DIP switches with up to 8 seconds of delay available and dual or bridge modes of operation.
The SRA-2150 is equipped with a front-panel headphone monitoring output, an internally switchable 120V/240V power supply, extensive protection circuitry, and standard Euroblock inputs along with screw terminal outputs.
Key Features
- 1RU 9 lb. lightweight rackmount stereo power amplifier with 80 Watts per side power output at 8 Ohms
- Selectable Dual or Bridge Mono Operation, designed for 4- or 8-Ohm loads
- 2-stage high-efficiency switched mode power supply with high power-to-weight ratio
- Ultra-quiet convection-cooled operation
- On-board 80Hz HPF, selectable gain sensitivity
- Up to 8 sec. of turn-on delay with selectable Dip Switch complement
- Comprehensive amplifier protection circuitry includes: Output Over-current, DC Output, Main Supply Rail Over-voltage, Chassis Temperature, Inrush Limiting, Mains Fuse
- Front Panel Indicators include: overall power, standby, and protect; per-channel clip and signal indicators
- Euroblock input connectors, Screw Terminal outputs
Specifications:
| Power Rating |
Stereo @ 8 Ohms: 80W per Ch.
Stereo @ 4 Ohms: 150W per Ch.
Mono Bridge @ 8 Ohms: 300W |
| Damping Factor |
>200, 8-Ohm load, <1kHz |
| Input Sensitivity |
1.5V |
| Input Impedance |
20 kOhms, Balanced |
| Gain |
Selectable 26dB or 36dB |
| Frequency Response |
20 Hz - 20 kHz, +/-1.0dB |
| Signal-to-Noise Ratio |
>105dB, 20Hz - 20kHz unweighted |
| Total Harmonic Distortion (THD) |
<0.01% (8-Ohm load, 10dB below rated power, 20Hz - 10kHz |
| Input Connections |
2 x Ch.1,2 3- Pin Euroblock |
| Output Connectors |
2 x Ch.1,2 Screw Terminals
1 x 1/4" Stereo Headphone Jack |
| Controls Front Panel |
1 Power Switch
2 x Gain Control Knobs |
| Controls (Rear) |
4 x Delay DIP Switches
2 x 80Hz HPF On/Off Button
2 x Gain Sensitivity Button
2 x Bridge/Stereo Mode Switch |
| Indicators |
1 x Blue Power On LED
1 x Yellow Standby LED
1 x Red Protect LED
2 x Red Clip LED's
2 x Green Signal LED's |
| Cooling |
Convection-cooled |
| Power Consumption |
37.5W (1/8 Power Pink Noise @ 4 Ohm)
Typical Current:
Idle: 0.35A
1/8 Power: 1.10A |
| Dimensions |
19 x 1.75 x 11" (483 x 44.5 x 279.4mm) |
| Weight |
9 lb (4.1 kg) |
| Specialties |
Adjustable Turn-On delay Switches
Convection Cooling
Switch-Mode Power Supply |
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