Wednesday, November 25, 2015

Boyuu 300B Amplifier - A50 MKII

Boyuu 300B Amplifier - A50 MKII
* Single Ended
* U$1220

Upgrades
  • Added aluminum front panel
  • PSVANE 300B tube
  • Tuned by experience audiophile - better midrange, low frequency control/extensio and tonality
  • Added front panel dynamic meters
  • Improve point-to-point routing, with new turret board

Specifications
  • Pre-amp tube: 12AT7 x1
  • Driver tube: 6P6P x2
  • Output tube: PSVANE 300B x2
  • Rectifier: 5Z3PAT x1 (can upgrade to PSVANE WE replica hang filament WE274)
  • Power transformer: imported 0.35mm, EI105-60
  • Output transformer: imported 0.35 SiFE EI86-50
  • Chassis: imported mirror finish stainless steel
  • Front panel: aluminum, CNC cut, annodized
  • Output: high quality binding posts

Electrical specifications
  • Output power: 8.2W x2 (zero feedback)
  • Frequency response: 30Hz - 42kHz
  • Output impedance: 4, 8 Ohms
  • THD: <=1% (1kHz)
  • Input sensitivity: 750mV
  • Input impedance: 100k Ohm
  • Size: 378x318x178 mm
  • SNR: 89dB
  • Weight: ~19.5KG (premium), ~18.5KG (standard) 







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