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The Ashly TRA-4150 is a 4-channel convection-cooled rackmount P.A. or installation power amplifier housed in a rugged 2RU metal chassis, offering an output of 80 Watts per channel at 8 Ohms, designed to drive 4 and 8 Ohm loads and transformer-coupled 70V and 100V lines simultaneously. The coupling transformers are internally mounted.
The TRA-4150 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 rear-mounted set-and-forget gain controls.
The TRA-4150 is equipped with an internally switchable 120V/240V power supply, extensive protection circuitry, and standard Euroblock inputs along with screw terminal outputs.
Power Rating |
Stereo @ 8 Ohms: 4 x 80W per Ch.
Stereo @ 70V: 4 x 150W per Ch.
|
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 | 4 x Ch.1,2,3,4 3- Pin Euroblock |
Output Connectors | 4 x Ch.1,2,3,4 Screw Terminals |
Controls Front Panel | 1 x Power Switch |
Controls (Rear) |
4 x Gain Control Knobs
|
Indicators |
1 x Blue Power On LED
12 x Green -24/-18/-12dB Signal LED's 8 x Yellow -6/-3dB Signal LED's |
Cooling | Convection-cooled |
Power Consumption |
75W (1/8 Power Pink Noise @ 4 Ohm)
|
Dimensions | 19 x 3.5 x 11" (483 x 89 x 279.4mm) |
Weight | 29.5 lb (13.4 kg) |
Specialties |
Adjustable Turn-On delay Switches
|
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