Description
Tokban Audio Wada Shigeru Circuit 12ax7b Tube Preamplifier DIY Kit ECC82 Beautiful Sounding HIFI Amplifier has different configurations.
Please carefully choose your input voltage. US=110V
- Package: Yes
- Model Number: 12AX7B
- Maximum Power Per Channel: NO POWER
- Brand Name: TOKBAN
- Origin: Mainland China
- Certification: none
Product Description:
1: This Wada Shigeru circuit tube preamplifier is excellent in both performance and sonic presentation.
2: The sound characteristics of the Wada Shigeru circuit maintains the mellow and musical flavor of the Marantz 7, while at the same time being superior to the Marantz 7 in terms of dynamics, transients, high- and low-frequency response, analytical power and SNR.
3: Wada Shigeru circuit preamp is a very good stability by a high-gain dual triode, composed of two-stage voltage amplification, only this tube can amplify the signal by about 10 times, with a very high sensitivity.
4: The rear stage of the Wada Shigeru circuit consists of an excellent triode 12AU7 as a radio stage follower, which provides excellent amplification of the current.
5: The Wada Shigeru circuit is characterized by excellent vocals and excellent midrange.
Parameters:
Vacuum tube: 12AX7*2/12AU7*2 6Z4*2
Input sensitivity: 400mv
Output Voltage: 2v RMS THD＜0.03%
SNR:94dB
Frequency Response: 12Hz-50kHz -0.5dB
Input Impedance: 200kohms
Output Impedance: 600ohms
Input Voltage: 110v,220v selectable
Power consumption: 30w
Size:320*170*120mm
Weight:3.5kg
1: This Wada Shigeru circuit tube preamplifier is excellent in both performance and sonic presentation.
2: The sound characteristics of the Wada Shigeru circuit maintains the mellow and musical flavor of the Marantz 7, while at the same time being superior to the Marantz 7 in terms of dynamics, transients, high- and low-frequency response, analytical power and SNR.
3: Wada Shigeru circuit preamp is a very good stability by a high-gain dual triode, composed of two-stage voltage amplification, only this tube can amplify the signal by about 10 times, with a very high sensitivity.
4: The rear stage of the Wada Shigeru circuit consists of an excellent triode 12AU7 as a radio stage follower, which provides excellent amplification of the current.
5: The Wada Shigeru circuit is characterized by excellent vocals and excellent midrange.
Parameters:
Vacuum tube: 12AX7*2/12AU7*2 6Z4*2
Input sensitivity: 400mv
Output Voltage: 2v RMS THD＜0.03%
SNR:94dB
Frequency Response: 12Hz-50kHz -0.5dB
Input Impedance: 200kohms
Output Impedance: 600ohms
Input Voltage: 110v,220v selectable
Power consumption: 30w
Size:320*170*120mm
Weight:3.5kg
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