價錢 HK$: 1800

線路改良"馬蘭士7", 人聲温暖、動態強勁. 禾田茇士線路.
全新100%, 冇保養,私保7天, 有壞退錢. 平售 $1800
有意留電話 或wts 60892124 陳生

Xiang sheung 728A Tube Preamplifier, ebay 賣緊$US349美金!
有意PM tel.no, 葵芳MTR交收. 有意留電話

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CLASS-A - 100% New XIANGSHENG 728A 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/Low 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 : Xiang Sheng
Color : Silver
Model : 728A
Input Power : AC100V-AC240V available 60Hz/50Hz
Output Tube : 12AT7×2、12AU7×2、6Z4×2
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
Full Set Valve
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