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DAC Decoder Board AK4497EQ for Audio Power Amplifier Support DOP DSD DIY
Specifications:
- Using chip AK4118 + AK4497EQ
- Electrolytic capacitor signal main circuit using PHILPS, ELNA, etc. Main filter capacitor is 5x6800UF. Full bridge rectifier circuit
- Five ring metal resistance. Main circuit adopt five ring metal film resistance, accuracy -+1%.
- PCB thickness is 1.6mm, copper thickness is 2.0Oz
- AK4188 power supply part, chip LT1963EQ-3.3, optical, coaxial, USB and input signal switched through encoder
- PCM format support up to 384K. Support DSD64 and DSD128 if with U8 sub card. Sampling rate will not display when playing the files that above 192K .
- Gold plated RCA jack
- Dual OP AMP design, with balance XLR output, RCA single end output
- Support DOP, DSD
- Display sampling frequency
- Remote control support input switch and volume adjustment function (not display volume adjustment)
Power supply parameters:
- Two groups of AC 9V (>10W for each group)
- One group of AC double 12V or double 15V
- The power supply above shoule be connected at the same time
- Main board size: 193*183mm
- CPU size: 102*38mm
- Weight: 0.4kg
AK4497 using OSR Doubler filter:
- Dynamic range: THD+N: -115dBDR
- S/N: 127dB
- PCM sampling rate support up to 769K
- DSD sampling rate support up to 22.4MHz
NOTICE: Not include XMOS -U8 sub card.
Package list:
- 1 x DAC Decoder Board
- 1 x Remote controller
- 1 x LCD board
