OPERA Linear5 HiFi audio Headphone amplifier/earphone amp vacuum tube amplifier

All items guaranteed 100% BRAND NEW in the original edition Box.

ONE-YEAR WARRANTY !!!

Features:
Since February 2018, Linear5 has been upgraded to a fully custom-made tube JJ 802s preamplifier, no need to upgrade 2A3 tubes and preamps. In order to pursue better sound, the rectifier can be upgraded to full 274BQ.
Classic 2A3 Amplifier Circuit Lunda 1: 1 Fully Balanced Input Transformer Independent Power Supply
Flagship output transformer

Specifications:
Output impedance: 30-200Ω, 200-600Ω
Output power: 2Wx2 RMSIkHz
Frequency response: 6Hz-50kHz -3dB (1W)
Harmonic distortion: <1% (1W, 1KHz) Value ratio: 90dB
Input port: 3 groups (RCA), 1 group (XLR)
Output port: 1 group (unbalanced), 1 group (balanced)
Input impedance: 100K Power consumption: 85W
Tube: 2A3x2, 5Y3/5U4Gx1, ECC82/12AU7X1
Dimension: 285(L)x 315 (W) x 195 (H) mm
Weight: 13kg