XINDAK DAC-8, Инструкция по эксплуатации

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Dear user, thank you for purchasing our DAC-8 Digital D/A Convertor. This is a specially-designed model for the
audiophiles who have high requirements on the sound-reproduction ability. As a high quality stereo Digital/Analog Audio
Convertor of both 24Bit/96KHz and 24Bit/192KHz, it’s extremely suitable for the owners of VCD, DVD and CD player as
well as computer owners to upgrade their current audio system.
In order to improve the sound quality, Xindak engineers have also used patent technology on avoiding dynamic invalidation
of capacitors, which could decrease the distortion on the High especially. It can upgrade the digital signal recorded in PCM
format of common CD player to 24Bit/192Khz to achieve higher processing precision and highly improve the dynamics and
treble extension, making the sound more mellow with richer soundstages.
It adopts AD1852 24Bit/192KHz of AD company to convert digital signal to analog signal. The analog filtering circuit adopts
low-noise resistance and OPA2064 of BB company. The double annular transformers and six independent stable power
supplies can afford abundant and pure power to the circuits and ensure their most stable and best working status.
Additionally, it also corrects the Jetter time base errors at the same time. The 6922EH(JJ E88CC) tube for the analog
output amplifying to achieve exquisite and mellow sound.There are three output ports available: signal-terminal tube
analog RCA output port, OPA analog RCA output port and OPA balanced output port to afford various chooses for the
users.
3.1 Product Features
Introduction
Chapter 3
4
3.2 Block Diagram
U3,U5 ,XT1 MASTER CLOCK U3,U5 ,XT1 MASTER CLOCK
DIGITAL
TO
ANALOG
CONVERTER
DIGITAL
TO
ANALOG
CONVERTER
avoiding
dynamic
invalidation
of
capacitors
avoiding
dynamic
invalidation
of
capacitors
C-BIAS TECH C-BIAS TECH
DAC-8
Microcontroller
DISPLAY DISPLAY
USB
JACK
DIGOTAL
INPUT
USB
D/A CONVERTER
+6 . 3V +6 . 3V
+5VD +5VD
+5VA +5VA
+12V +12V
-12V -12V
+100V +100V
ANALOGUE
POWER
ANALOGUE
POWER
L L
N N
G G
DIGITAL
POWER DIGITAL
POWER
ANALOGUE
POWER
ANALOGUE
POWER
ANALOGUE
POWER
ANALOGUE
POWER
Tr3
power
TRANFORMER
MAIN
POWER
RELAY
+5VD +5VD