Ashly TRA-4075 -  Rackmount 4-Channel Power Amplifier w/Transformer

Ashly TRA-4075 - Rackmount 4-Channel Power Amplifier with 70V/100V Transformer - 40 Watts per Channel at 8 Ohms

Ashly TRA-4075 - Rackmount 4-Channel Power Amplifier with 70V/100V Transformer - 40 Watts per Channel at 8 Ohms

B&H # ASTRA4075 MFR # TRA-4075
Ashly TRA-4075 -  Rackmount 4-Channel Power Amplifier w/Transformer

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  • 1Description

The Ashly TRA-4075 is a 4-channel convection-cooled rackmount P.A. or installation power amplifier housed in a rugged 2RU metal chassis, offering an output of 40 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-4075 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-4075 is equipped with an internally switchable 120V/240V power supply, extensive protection circuitry, and standard Euroblock inputs along with screw terminal outputs.

2RU rackmount 4-channel power amplifier with 40 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
In the Box
Ashly TRA-4075 - Rackmount 4-Channel Power Amplifier with 70V/100V Transformer - 40 Watts per Channel at 8 Ohms
  • Power Cable
  • 5 Year Warranty
  • Table of Contents
    • 1Description
    Power Rating Stereo @ 8 Ohms: 4 x 40W per Ch.
    Stereo @ 4 Ohms: 4 x 75W per Ch.
    Stereo @ 70V: 4 x 75W per Ch.
    Stereo @ 100V: 4 x 75W 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 >98dB, 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 37.5W (1/8 Power Pink Noise @ 4 Ohm)
    Typical Current:
    Idle: 0.52A
    1/8 Power: 1.24A
    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
    Packaging Info
    Package Weight 35.75 lb
    Box Dimensions (LxWxH) 24.0 x 17.5 x 5.0"

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