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Audio-GD NEW 2020 Firmware's available!

New firmware's available for following models: R1(R2R1), R7 (R2R7, Optical on IN4 models), R7HE, R8HE ,R28. R8 and R27
For R8 and R27 please note: shipped after 1st. Aug.2019 or in case before one wire needs adjustment for HDMI I2S).

Improvements and new Features:
1, The FPGA process data upgrade to parallel mode.
2, 2nd generation SPDIF decoder design
3, New configuration clock management
4, DSD asynchronous clock technology
5, New DoP support on spdif inputs (DSD over PCM)
6, Silent switching between DSD/PCM tracks


Please send us an email to receive the latest firmware for your device!

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A R-2R Ladder DAC s is using very precise resistor networks. They don't have a conventional dac-chip.

I want a R2R Ladder DAC
R-2R Ladder DACs

Listen in our demo studio!

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Demo Studio

Hifiman Beautiful Music to your Ears

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Audiophile Headphones

. There are many ways to connect devices and speakers together but only few will connect you to the music

MWAY Interconnects for Audio-GD ACSS
MWAY Interconnects

A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal.

Vacuum Valve Amplifiers
Vacuum Valve Amplifiers
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