NEW Lehmann HV4-MINI Class A Stereo headphone amplifier OPA2604
Introduction:
The OP+BUF circuit affects the first three digits of the tone: the coupling capacitor, the op amp, and the output tube.
WIMA coupling capacitor
BB's OPA2604 tube op amp
Toshiba fever medium power tube A1358-C3421.
Taiwan production 1% precision resistor
Japanese chemical large-capacity filter capacitor, energy constantly
The transformer is an M15 sealed transformer with low leakage flux.
With protection output, conscience machine
The HV4-MINI is made with reference to
the Lehman headphone amplifier circuit. The Lehman headphone amplifier
is still famous in the industry. It is simple to manufacture, has low
investment, and has good sound quality. Basically, every DIYER will play
with it. The HV4-MINI is light and compact, mainly for players with
limited needles. For some players who don't have high-end headphones,
this item is really good.
Size: 210mm*40mm*180mm (W*H*D)
Weight: 2KG
Package includes:
HV4-MINI Headphone amplifier X1
NOTE: We do not include any cables.
