product description:
The tube buffer can be regarded as a tube preamplifier, but its amplification factor is slightly less than 1, and the gain is approximately equal to 0dB. It can better play the role of impedance matching (increasing the input impedance, reducing the output impedance, and better driving the post-amplifier) The tube buffer can effectively filter out the digital signals left by the sound source, making the sound round and warm, soft and durable! You can also change the following more common pipes of the same model to experience different pipe styles: 6N3, 5670, 6H3, etc.
parameters
Frequency response FR: 10Hz-40KHz +/- 1dB
Total harmonic distortion THD:> 0.005%
Signal to noise ratio S / N: 95dB
Gain: ≈0dB
Working voltage: AC12V / 1000MA
Board size：103mm * 65mm * 70mm
List：
6N3 preamp board X 1
