Page - 10
Operator Manual – TRA Series Amplifiers
Copyright© 2006 – Ashly Audio Inc.
Spec Table
TRA-2075
TRA-4075
TRA-2150
TRA-4150
Power Output Per Channel
8 ohms, 20 Hz - 20 kHz, 1% THD
40 W
40 W
80 W
40 W
4 ohms, 20 Hz - 20 kHz, 1% THD
75 W
75 W
150 W
150 W
70V/100V CV, 20 Hz - 20 kHz, 1% THD
75 W
75 W
150 W
150 W
Signal to Noise (20 Hz-20 kHz, unweighted):
>98 dB
>98 dB
>105 dB
>105 dB
Voltage Gain:
26 dB, 36 dB sensitivity (selectable)
Output Circuitry:
Class D
Class D
Class D
Class D
Power Consumption (Pink Noise @ 4 Ohm):
1/8
th
Output
18.75W
37.5W
37.5W
75.0W
1/8
th
Draw
39.0W
74.0W
64.0W
125W
1/8
th
Current
0.69A
1.24A
1.10A
1.98A
Idle Power
17.0W
30.0W
20.0W
36.0W
Idle Current
0.30A
0.52A
0.35A
0.62A
Frequency Response
20 Hz - 20 kHz, +/- 1.0 dB
Damping Factor - 8 ohm load, < 1 kHz
> 200 into 8
Input Impedance
20 kOhm, balanced
Maximum Input Level:
+21 dBu
Input Impedance
20k
balanced
Cooling
Convection
Front Panel Indicators per channel
Clip & Signal
Front Panel Indicators overall
power, standby, protect
Attenuators
Per channel: front panel
Input Connectors, each channel
3- Pin Euroblock
Output connectors, each channel
Screw terminals
Amplifier Protection
Output Overcurent, DC Output, Mail Supply Rail Overvoltage
Chassis Temperature, Inrush Limiting, Mains Fuse
Power Cable Connector
3-Prong IEC
Dimensions
19” x 3.5” x 11”
Weight
19.5 lbs
29.5 lbs
19.5 lbs
29.5 lbs
All Specifications Subject to Change or Improvement Without Notice.
Important Safety
Instructions – 2
Introduction - 3
The TRA Series - 4
Physical Description - 5
Installation – 6
Operation – 8
Troubleshooting - 9
Spec Table - 10
Dimensions - 11
Warranty - 12
