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ORIGINAL AT-2008 Fully Balanced Class A Vacuum Tube Integrated Amplifier


Balanced differential amplifier with symmetric waveform, powered with constant current source for ultimate low distortion.

Balanced input circuit can convert imbalanced input signal to balanced signal.

The SRPP circuit provides supper drive and loading capabilities.

The amplifier has good gain without losing frequency response.

The constant current source power supply guarantees good linearity and best dynamic range.

Adjustable voltage switcher stabilizes the working condition of amplifier tubes of last stage and extends the life time of the tubes.

Automatic tube fine tuning and pairing circuit. Can use non paired tubes.

Z-11 core is used in output transformer. The transformer is manual made with strict pair selection.

Extreme heavy duty aluminum alloy exterior, transformer cases and remote control.

Detachable power cord (IEC)


Input Sensitivity: 350 mV

Power Output: 18W x 2 Class A

Output Load Impedence: 4 - 8 Ohm

Input Impedence: 100 kOhm

Harmonic Distortion: ≤ 0.8 %

Frequency Response: 20 Hz ~ 20 KHz ± 1db

S/N Ratio: 95db

Vacuum Tubes: 12AU7 x 6, EL34 x 4

Stock Availability Status: PRODUCTION STOPPED