Name:Headphone Amplifier DIY Kits
2.Headphone Impedance: 16-600ohm
4.Channel separation <-100db
5.Distortion: <0.003% (distortion noise but not all, of the second harmonic modified sound)
6.Input and output: standard 3.5mm headphone jack
8.Tube:6J5 or 6J3
9.Power requirements:±12-15V DC power supply 10W above transformer;
filament require 12V more than 2A
10.Size: (L)10cm * (W)6.3cm
This DIY Kit need to be soldered by yourself.
The photo shows assembled product,just for your reference.
1 x Headphone Amplifier DIY Kit