發燒活動 : DAC1955 終極版, 普通版試聽會

KK 終於完成了DAC1955 終極版的組裝和Burn-in, 今個星期六下午6時可到來試聽

普通版: Dale resistor, NE5534 x 6, SRC on/off by module, Trodorial transformer x 1, 100KHz bandwidth LPF design for extened response on 192KHz module.

終極版: Full RMG resistor for analog stage, Analog power supply
0.5% TL431 shunt regulator
Full Rubycon black gate capacitor in analog stage and Digital stage
Full Jensen capacitor in Analog power supply.
ZERO offset (by matching RMG resistor) for output stage instead of using "BAD quality Multi turn resistor"
Fix RMG resistor for +/-15V power supply stage. (no multi-turn VR)
Full Sanyo OS-CON capacitor in Digital stage
Full Dale resistor (matched) for digital power supply.
TI OPAX27 for I/V conversion
NS LMHXXXX for LPF stage
Selected components for PLL stage in DIR9001.
ST-DV709 Digital input pulse transformer
Ultra precision (matched) silver mica capacitor for LPF stage.
Full WIMA (Black) 0.1uF decoupling capacitor for power supply
Ultra Low noise voltage reference 20uV for AD1955 2.8V
Seperate Analog and Digital R-CORE transformer.
Improved power supply for MCU power stage.
Extreme stable COG capacitor for MCU crystal stage.
SRC on/off by module
USB IN
S/PDIF Coaxial (un-balance / Balance in)
S/PDIF Optical In
IIS in (CD-PRO2 IIS direct in)


日期: 2009年12月19日(星期六)
時間: 下午6:00
地點: 荃灣沙咀道29-35號科技中心9樓910室

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