Trust what you hear, your perceptions are unique to you. .

TIA-240 / 240SE  Tube Integrated Stereo Amplifier

40Watt x 2,  EL34 x 4 /  6SN7 x 2 / 6SL7 x 2 ( All Matching DCT tubes ) 

MSRP:  $1,980/set                            Special Edition MSRP:  $2,980/set


Power Output

Minimum sine wave continuous average power output per

channel, both channels operating is:

40 watts into a 4 ohm load

40 watts into an 8 ohm load

Rated Power Band

20Hz to 20,000Hz

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, -0.5dB from 20Hz to 20,000Hz

+0, -3dB from 10Hz to 50,000Hz


High Level: 450mV for 2.5V rated output

Power Amplifier Input: 2.5V for rated output

A-Weighted Signal To Noise Ratio

High Level: 97dB below rated output

Power Amplifier: 110dB below rated output

Inter Modulation Distortion

Maximum Inter modulation 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: 8V

Voltage Gain

High Level to Main: 15dB

Wide Band Damping Factor

Greater than 20

Power Requirements

100 Volts, 50/60Hz at 3.6 amps

110 Volts, 50/60Hz at 3.6 amps

120 Volts, 50/60Hz at 3.6 amps

220 Volts, 50/60Hz at 1.8 amps

230 Volts, 50/60Hz at 1.8 amps

240 Volts, 50/60Hz at 1.8 amps

Note: Refer to the rear panel of the TIA-240

for the correct voltage.

Preamplifier Tube Compliment

2 - 6SL7   Preamp Circuitry

2 - 6SN7  High LevelCircuitry

Power Amplifier Tube Compliment

4 - EL34   ** ( KT-66 are compatible)

Overall Dimensions

Width is 16-7/8 inches (43.0cm)

Height is 8-1/4 inches (21.0cm) including feet

Depth is 16-1/2 inches (42.0cm) including the Front Panel and Knobs


45 pounds (21.5kg) net, 56 pounds (25.5kg) in shipping carton