Tube pre amplifier output of headset hifi exquis Xiangsheng 708b lamp preamps
1, product features:
It has the advantages of low noise, wide dynamic range, wide frequency response, low output impedance and high fidelity.
It is not only a headphone amplifier, but also an electronic tube amplifier.
Tube: 6N3+6N11 * 2+6Z4.
2, performance parameters:
Size: 180 x 80 x 270mm
The input impedance: 100K; first stage output impedance: 600 ohms; amp output impedance: 32–600 (high resistance in Europe suggest collocation headset)
Signal to noise ratio: 89dB
Frequency response: 20Hz–30KHz
The distortion is less than or equal to 0.01%:
The amplifier output power: 500mW–250mW
Net weight: 2.5Kg