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ASHLY TRA 4150
TRA 4150
SGD 2,457.00

Availability: In stock

POWER AMPLIFIER, 4 x 150W @ 4-OHM w/XFMR ISOLATED 25V, 70V & 100V OUTPUTS

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Description



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.


 


Features:


 



  • 2RU rackmount 4-channel power amplifier with 80 Watts per channel 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



Specifications

Power Rating

Stereo @ 8 Ohms: 4 x 80W per Ch.


Stereo @ 4 Ohms: 4 x 150W per Ch.

Stereo @ 70V: 4 x 150W per Ch.


Stereo @ 100V: 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


4 x Delay DIP Switches


4 x 80Hz HPF On/Off Buttons


4 x Gain Sensitivity Buttons

Indicators

1 x Blue Power On LED


1 x Yellow Standby LED


1 x Red Protect LED


4 x Red Clip LED's

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)


Typical Current:


Idle: 0.62A


1/8 Power: 1.98A

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


Convection Cooling


Switch-Mode Power Supply

 

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