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

Description

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

Specification:

Size: 77mm * 75mm (L*W)
Weight: 79g
Frequency: 16 HZ – 28.5KHZ
Headphone impedance: 16-600Ω
SNR: > 108db
Channel separation: <-100db
Distortion: <0.003% (distortion noise but not all, of the second harmonic modified sound)
Input and output: standard 3.5mm headphone jack
NE5532 or MC33078 op-amp
6J5 low voltage power supply pre-made cushion, the sound is very warm.
Power supply requirement: ±12-15V DC power supply 10W above transformer, filament require 12V more than 2A
Default op amp NE5532 or MC33078 random delivery.

Package includes:

1 x Headphone Amplifier DIY Kits

Note:

This is DIY Kit need you solder it by yourself, and many component is very small,so need you have some DIY ability, the unsuccessful DIY making is beyond the scope of our warranty.
We do not supply you with a manual, please note before buying.