XiangSheng 728A Vacuum Tube Pre-Amplifier Japan circuit black

Product Price: Starting at: $199.77 USD

  • Product Model: Model: MUIA983351
  • Product Weight: Shipping Weight: 9kg
  • Product Quantity: 2 Units in Stock

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XiangSheng 728A Vacuum Tube Pre-Amplifier Shigeru Wada Japan Electrical circuit
Black version Brand New

There is a new version without Bass and treble Control following


All items guaranteed 100% BRAND NEW in the original edition Box.


 728A Vacuum Tube Pre-Amplifier Upgraded Version

Product Description:

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.



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 )

Used 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 Friday 26 December, 2014.