Features:
Wonderful stereo Pre-Amplifier, built with the best parts available
The pre-amplifier improved based on famous Wada Shigeho's Style Electric circuit,
which was Introduced by Wada Shigeho in the early 1960s and gave an excellent performance.
Regarding the Wada Shigeho's Style Electric circuit,
it not only still keep the good features of Marantz7,
meanwhile have superrior features in Dynamic,
High / lLow Frequency Response, Resolution and Signal to Noise Ratio as compared to Marantz7.
But apart from above features, it's also not inferior to Marantz7 in Sound stage and airy feeling.
Adopt 4pcs paper in oil capacitors and German WIMA capacitors for coupling effect,
make the sound warm and delicate.
Item Specifics
Brand: XiangSheng
Model: 728A
Input Power: AC100V-AC240V available 60Hz / 50Hz
Output Tube: 12AT7 × 2, 12AU7 × 2,
Input Sensitivity: 400mV
Input impedance: 100K
Output Impedance: 600 ohm
Signal / Noise Ratio: 90dB
Frequency Response: 10Hz - 30KHz
Humidity: 35% -80%
TMD: less than 0.01%
Input Jack: 4 groups
Output Jack: 2 groups
Weight: 8 kg
Size: W430mm × H80mm × D290mm
Packing Includes
1× Tube Preamp
1× 1.5m Power Cord
