Product Details:
This preamplifier delivers rich sound quality, with sweet and natural midrange, delicate vocals, smooth string instruments, a wide soundstage, and a deep tube character, free from any trace of AC hum.
All aluminum alloy chassis, surface treated with oxidation and wire drawing.
Equipped with dual VU meters on the front panel, making music more dynamic.
Handmade, using silver wire internally.
Parameter:
Input voltage: AC 115V or 230V (Optional)
Rated output power: 40W*2
Frequency response: 18Hz--30KHz
Total Harmonic Distortion: 1% (1kHz)
Input sensitivity: 500mV to 2000mV
Input impedance: 100KΩ
Output impedance: 4Ω, 8Ω
Signal-to-noise ratio: 93dB
Size: Width 430, Depth 380, Height 310 (including tube height)
Weight 50 kg
Package include:
FD71 tube amplifier X 1 (NO IEC type mains power cable included)
Every amp has been professionally tested in perfect working order before shipping! 



