XiangSheng 728A Vacuum Tube Pre-Amplifier Preamp Shigeru Wada Japan circuit (Black) Review

100% New In Box

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SPECIFICATION

Input Power:AC100V-AC240V available 60Hz/50Hz

Output Tube: 12AT7×2, 12AU7×2, 6Z4×2

Input Sensitivity:400mV

Input impedance: 100K

Output Impedance: 600 ohm

Signal/Noise Ratio: 90dB

Frequency Response: 10Hz–30KHz

Humidity: 35%-80%

Input Jack: 4 groups

Output Jack: 2 groups

Size Dimension: W430mm x H80mm x D290mm

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PACKAGE CONTENTS

Amplifier

Standard Power Cord

All the Tubes/Vavle

Original BOX