XIANGSHENG 728A tube preamp Shigeru Wada circuit pre-amplifier Black

Product Price: $249.00 USD

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  • Product Model: Model: MUIA9832170
  • Product Weight: Shipping Weight: 3kg
  • Product Quantity: 1 Units in Stock

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XIANGSHENG 728A tube preamp Shigeru Wada circuit pre-amplifier Black Only one instock

Please note before purchase, this item only ship to United States, and the original packaging of this item has been opened, do not buy if you mind. Thanks for understand!



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
It have superrior features in Dynamic, High/lLow Frequenc Response, Resolution and Signal to Noise Ratio as compared to Marantz7.
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.


Input Impedance:100K
Output Impedance:600 ohm
Total Hamonic Distortion: less than 0.01%
Frequeney Responses: 10Hz-30KHz
Signal to Noise Ratio: 90dB
Input Jack: 4 groups
Output Jack:2 groups
Supply Votage: AC100V-AC240V available 60Hz/50Hz
Size: 430mm(Width )×90mm(Height )×290mm(Depth )
Vacuum tubes: 12AT7×2、12AU7×2、6Z4×2
Working environment: Temperature:5℃―40℃
Weight:about 8.5 Kg
Gross weight: 9.5kg

This product was added to our catalog on Monday 11 February, 2019.