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XiangSheng 728A Vacuum Tube Preamplifier HIFI EXQUIS 12AT7 12AU7 6Z4 with Tone
- 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 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.
- Brand: XiangSheng
- 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
- Color: Black/ white,will be delivered randomly
- 1 x Preamp