Product details:
This phone amplifier refers to the circuit on the internationally renowned HIFI website. 6N2 is a balanced network amplifier with a gain of 40dB and an amplification factor of about 84 times The noise is very low, this circuit has good vitality, good dynamics, and wide frequency band.
FR4 double-sided fiberglass copper-clad board, 1 ampere copper foil thickness, one point grounding layout, almost imperceptible bottom noise.
Copper foot KOA and other well-known brands of carbon film and metal film resistors.
AISHI high-voltage filter capacitor Japan ELNA 8200UF Large Capacity Filter Capacitor.MKP coupling capacitor
Copper gold-plated ceramic electronic tube socket.
Beijing 6N2-J electronic tube X2, rectifier tube adopts Shuguang 6Z4.
The power supply adopts 6Z4 rectification, IRF840 transistor stabilization, and then uses 10H 80MA inductor filtering to supply voltage to the electronic tube screen. The electronic tube filament adopts 7806 DC power supply to ensure signal-to-noise ratio.
Product parameters
Dimensions: 270mm wide, 240mm deep (including RCA and switch), 93mm high (including chassis legs)
Weight: 3KG
Input impedance: 47K
Input capacitance: 100P. (Customers can specify the input load capacitance value)
Input gain: 40DB
Signal to noise ratio: 86DB (A-weighted) with a gain of 40DB
THD<0.02% at 40DB input gain
RIAA equilibrium curve accuracy 0.4DB/20-20KHZ
Frequency response: 20-40KHZ (-1DB)
Packing list
1× phone Amplifier
