Triode Corporation was founded by its president, Mr. Junichi Yamazaki in Koshigaya Saitama in 1994. It is aimed at tube enthusiasts. The company has about 20 models of tube amplifiers and is well known for its high-quality sound and reliability. The company uses some of the best components available on the market.
This tube preamplifier is based on the configuration of the TRV-1 preamplifier circuit of the Japanese company Triode Corporation.
The amplifier's power supply is equipped with a 30-second relay that operates when the power is turned on to protect the vacuum tubes.
A special insulator manufactured by TAOC is attached to the leg.
ECC83-2 pcs and ECC82-2 pcs tubes manufactured by Amperex are installed. The amplifier is characterized by high dynamics, a wide and deep sound stage, very natural timbres, and extremely low noise. Demonstrates complete genre versatility.
Technical characteristics

Type Tube type control amplifier
Frequency characteristic 10 Hz ~ 100 kHz + 0 -2dB
Total harmonic distortion factor 0.01% or Less (1 kHz)
Signal-to-noise ratio 95dB
Input terminal Line 5 (CDs, Tapes, Tuners, Aux1/2)
Output terminal Route 3 (Output1/2, Rec out)
Input impedance 250k Ω
Output impedance: 3k Ω
Vacuum tube used 12AX7Ax2
12AU7Ax2
Power consumption: 16W
External dimensions Width 440x Height 100x Depth 340 mm
Weight 7 kg