Meixing Mingda MC-9 SE Passive pre-amplifier hi-fi preamp MingDa

Specification
Amplification: 7 Times
Gain：15dB
Frequency Response：18Hz~22khz±1.5dB
Signal To Noise Ratio：95dB
Unbalance Inputs(RCA): 2(Pairs)
Balance Input XLR: 1(Pair)
RCA Outputs: 1(Pairs)
Distortion Factor: ≤0.09%
Input Impedance：600 ohms
Output Impedance：25K ohms
Dimension(W*D*H): 21 * 28 * 9 cm
Net weight: 2.5 kg
Gross weight: 3.5 kg
Made in UK amplification transformers
Danish Jensen capacitors
Stepper potentiometers