Opera Linear1 vacuum tube 2A3 pre amplifier hifi Audio pre-amp

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

ONE-YEAR WARRANTY !!!


Features:

a) Featuring silver wiring, true balance inputs and outputs utilising 2X101D triodes with no global negative feedback.
b) Constructed using high quality Swedish manufactured "LUNDAHL" input and output transformers,6SL7 Rectifier and 2X2A3 valves.
c) Special silicon steel EI type power transformers and choke with large Solen MKP metallized polypropylene filtering capacitor to obtain the widest possible frequency response.
d) 4X RCA unbalanced inputs,2X RCA unbalanced output,plus balanced XLR in/out.Remote control is available.

Specifications:

Harmonic Distortion (for 2V RMS at output): less than 1%
Frequency Response: (at -1dB) 5Hz -60kHz （Gain=9.5dB）,5Hz -40kHz (Gain=15.5dB）
Input Impedance: 600Ω
Signal noise: 90dB
Gain at 1kHz: 9.5dB and 15.5dB
Consumption: 60W
Negative Feedback: None
Vacuum Tube: 2A3x2,6SL7x1,101Dx2
Power supply voltage: 110/220V 60Hz/50Hz
(110V，120V, 127V, 230V, 240V version will
take 3-14 work days to order),
220V version is in stock
Dimensions: 430(L) x 400(W) x 225(H) mm
Net Weight: 25kg
Gross Weight: 27kg