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TRA-2150 - Power Amplifier 2x150W @ 4Ohms w/ Xfmr Isolated 25V, 70V, & 100V Outputs, Ashly

Ashly TRA-2150 - Power Amplifier 2x150W @ 4Ohms w/ Xfmr Isolated 25V, 70V, & 100V Outputs

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Product Code : TRA-2150


ASHLY TRA-2150 - 2-Channel Power Amplifier - with 70V/100V Transformer - 80W per Channel at 8 Ohms

The Ashly TRA-2150 is a 2-channel convection-cooled rackmount P.A. or installation power amplifier housed in a rugged 2RU metal chassis, offering an output of 80 Watts per side 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-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 rear-mounted set-and-forget gain controls.

The TRA-2150 is equipped with an internally switchable 120V/240V power supply, extensive protection circuitry, and standard Euroblock inputs along with screw terminal outputs.

Key Features

  • 2RU rackmount stereo power amplifier with 80 Watts per side power output at 8 Ohms and built-in 60W/70V transformer
  • Designed to simultaneously drive 4- or 8-Ohm loads and 70V/100V transformer-coupled lines
  • 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


Power Rating Stereo @ 8 Ohms: 80W per Ch.
Stereo @ 4 Ohms: 150W per Ch.
Stereo @ 70V: 150W per Ch.
Stereo @ 100V: 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 2 x Ch.1,2 3- Pin Euroblock
Output Connectors 2 x Ch.1,2 Screw Terminals
Controls Front Panel 1 x Power Switch
Controls (Rear) 2 x Gain Control Knobs
4 x Delay DIP Switches
2 x 80Hz HPF On/Off Buttons
2 x Gain Sensitivity Buttons
Indicators 1 x Blue Power On LED
1 x Yellow Standby LED
1 x Red Protect LED
2 x Red Clip LED's
6 x Green -24/-18/-12dB Signal LED's
4 x Yellow -6/-3dB 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 3.5 x 11" (483 x 89 x 279.4mm)
Weight 19.5 lb (8.8 kg)
Specialties Adjustable Turn-On delay Switches
Convection Cooling
Switch-Mode Power Supply

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