MSRP: $8,000 / set Œ
TECHNICAL SPECIFICATION
Power Output
Minimum sine wave continuous average power output per
channel, both channels operating is:
80 watts into a 4 ohm load or an 8 ohm load (ULTRA LINEAR mode)
40 watts into a 4 ohm load or an 8 ohm load (TRIODE mode)
Total Harmonic Distortion
Maximum Total Harmonic Distortion at any power level from 250 mill watts to rated power output is:
0.5% for a 4 or 8 ohm load
Frequency Response
+0, -3.0dB from 10Hz to 65,000Hz
+0, -0.5dB from 20Hz to 20,000Hz
Sensitivity
High Level: 450mV for 2.5V rated output
Power Amplifier Input: 2.5V for rated output
A-Weighted Signal To Noise Ratio
High Level: 99dB below rated output
Power Amplifier: 120dB below rated output
Maximum InterModulation Distortion if instantaneous peak output does not exceed twice the rated output,
for any combination of frequencies from 20Hz to 20,000Hz is:
0.5% for a 4 or 8 ohm load
Input Impedance
High: Level, 100K ohms
Maximum Input Signal
High Level: 9V
Voltage Gain
High Level to Main: 21dB
Wide Band Damping Factor
Greater than 50
Rated Power Band
20Hz to 20,000Hz
Power Requirements
100 Volts, 50/60Hz at 5.0 amps
110 Volts, 50/60Hz at 5.0 amps
120 Volts, 50/60Hz at 5.0 amps
220 Volts, 50/60Hz at 3.0 amps
230 Volts, 50/60Hz at 3.0 amps
240 Volts, 50/60Hz at 3.0 amps
Note: Refer to the rear panel of the TPA-280 for the correct voltage.
Preamplifier Tube Compliment
2 -6SL7 Preamp Circuitry
2 -6SN7 High Level Circuitry
Power Amplifier Tube Compliment
4 – KT120
Power Regulation (Preamp Section)
2 – GZ34
Overall Dimensions
Width is 16-7/8 inches (43.0cm)
Height is 9-1/8 inches (23.0cm) including feet
Depth is 16-7/8 inches (43.0cm) including the Front Panel and Knobs
Weight 76 pounds (34.5kg) net, 81 pounds (36.5kg) in shipping carton