Hefei XiangSheng Electronic Co., Ltd.
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NEW XiangSheng Improved 728A Tube Pre-Amplifier

— Amplifier, Integrated Amplifier, Home Audio
Product Category: Audio Amplifiers
Sales Method: Export, Manufacture, OEM/ODM
Payment Term: T/T
Min. Order Unit Price
1 Piece
Contact Info


Address: China (mainland) Anhui,No. 122 Kexue Avenue Gaoxin District

Product Detail

Product Attribute:

  • China (mainland) More >
  • 728A
  • XiangSheng
  • 12/25/2014
  • 12/26/2014

Additional Info.:

  • exported packing

Product Content Description:

This nice728A pre-amplifier refer to famous Japan Wada
Shigeho's Style improved Electric circuit. the Electric
circuit was introduced by professor Shigeho Wada ()in the
early 1960s, having excellent performance. It's sufficient
to keep pace with Marantz7.
You don't see too many of these listed anywhere either and
this is because it is cherished very much in the audiophile
world. It is a highly recommended and desirable tube
amplifier with the reputation of sounding.
the 728A pre-amplifier have Bass and Treble Controls and
Volume, Balance adjustment on it.
Power supply: AC 100V-240V AVAILABLE(50Hz -60Hz)
tubes: 6N3×2, 6N11×2, 6Z4×2
Size: 430mm(Width)×80mm(Height)×290mm(depth)
Input impedance: 100K
Output Impedance: 50K
Signal to Noise Ratio: 90dB
Frequency Response: 10Hz--30KHz
Distortion: less than 1%
Net Weight: 8.5kg

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