JungSon JA-1/JA-50 Class A hifi Audio pre power amplifier

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  • Product Model: Model: MUIA9831027
  • Product Weight: Shipping Weight: 66kg
  • Product Quantity: 0 Units in Stock

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JungSon JA-1/JA-50 Class A hifi Audio pre power amplifier
100% Brand New


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



a) Adopts full-symmetry no big loop feedback ,which is the most core technology of Jungson and uses fully balanced transmission technology.The output power is 80WX2 of class A.The core technology it used is the same as other advanced products,their key components are almost the same.It sounds pure and kind.
b) The components are famous,such as 800VA square transformer of Jungson, senior 96,000 microfarads filter capacitor (Japan),and hifi coupling capacitor,tube A1295/C3264 ,as well as 4 pairs of Sanken power tube from Japan per channel and push tube 15031 and tube 15030 from USA.
c) The volumn control adopts the top technology in the world (Jeffrowland amplifier potentiometer control technology) with wooden remote control.


Power supply voltage: ~ 220V ± 10% (50Hz)
Output Power: 80W (Class A, RMS, 8Ω, per channel)
Harmonic Distortion: ≤ 0.06% (1kHz, 1W)
SNR: ≥ 95dB (A-weighted)
Frequency Response: 20Hz-20kHz (± 0.5dB)
Input impedance: 100kΩ
Output Impedance :4-8Ω
Size: 410mm × 266mm × 216mm (L × W × H)
Net Weight: 7.5kg (JA-1 preamp) 56kg (power amp, Mono)
Total Weight: 66kg

This product was added to our catalog on Friday 29 November, 2013.