ILS - DIY Class A 6J5 Vacuum Tube Preamp Preamplifier HIFI Headphone Amplifier Kit

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Name:Headphone Amplifier DIY Kits
1.16 HZ-28.5KHZ
2.Headphone Impedance: 16-600ohm
3.SNR:> 108db
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
7.NE5532 op-amp
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.

Package included:

1x Headphone Amplifier DIY Kit