Description
XiangSheng 728A Vacuum Tube Pre-Amplifier
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 it 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.
XiangSheng 728A-BK
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Brand : XiangSheng
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Model : 728A
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Input Power : AC100V-AC240V available 60Hz/50Hz
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Output Tube : 12AT7×2、12AU7×2、6Z4×2
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Input Sensitivity : 400mV
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Input impedance : 100K
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Output Impedance : 600 ohm
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Signal/Noise Ratio : 90dB
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Frequency Response : 10Hz--30KHz
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Humidity : 35%—80%
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TMD : less than 0.01%
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Input Jack : 4 groups
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Output Jack : 2 groups
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Weight : 8 kg
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Size : W430mm × H80mm × D290mm
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Packing Includes : Full Set Valve, 1.5m Power Cord
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One year factory warranty + extra three years factory parts warranty. (Amplifier Only)