AUDIO-GD DA-7 MKI 2023 R2R DAC Module 24Bit / 384kHz

AUDIO-GD DA-7 MKI 2023 Module DAC R2R 24Bit / 384kHz DSD512 Mono (La paire)
The Audio-GD DA-7 MKI 2023 features a 24-bit DAC based on a resistor network. It benefits from all the manufacturer's know-how when it comes to offering decoding via discrete components with high-frequency CPLD correction.

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AUDIO-GD DA-7 MKI 2023

R2R DAC Module 24Bit / 384kHz

AUDIO-GD DA-7 MKI 2023 Module Stand Alone DAC R2R 24Bit / 384kHz Mono

The Audio-GD DA-7 MKI 2023 features a 24-bit DAC based on a resistor network. It benefits from all the manufacturer's know-how when it comes to offering decoding via discrete components with high-frequency CPLD correction. This design feature significantly reduces distortion while keeping the price down (the logic circuit correction algorithm compensates for resistor tolerance).

This DAC module is capable of decoding up to 24bit 384KHz in NOS mode (without oversampling).
Integration with CPLD also enables native DSD decoding up to DSD512 if coupled with an Amanero or XMOS USB input interface.

For power supply, the module requires only +3.3V (+/- 5%) / 50mA.

This DIY version brings R2R High-End DAC technology in a discrete component to all uncompromising music lovers.

This is the 2023 version of the DA-7 MKI module (originally derived from the R2R Audio-GD R-7 DAC). It features an I2S input.
The output phase can be inverted to suit both balanced and unbalanced configurations.

This DAC module is sold alone, which means it doesn't integrate the output stage. Its supported sampling rate is 24bit 384kHz. To support a DSD512 input signal, you'll need to couple it to a USB Amanero or XMOS input interface.

Dedicated Class A power supply  

The module requires very little current to operate (+3.3V (+/- 5%) / 50mA). Audio-GD offers HiFi quality Class A power supplies for direct connection to the DA-7 MKI 2023. These ensure separation of the power supplies between the analog and digital circuits.

One or two power supplies can be connected to a pair of DA-7 MKI 2023s to create a symmetrical stereo DAC.

AUDIO-GD DA-7 MKI 2023 Module Stand Alone DAC R2R 24Bit / 384kHz Mono

SE configuration example (Single Ended)

AUDIO-GD DA-7 MKI 2023 Module DAC R2R 24Bit / 384kHz Mono (La paire)

Example of symmetrical configuration (2x DA-7 module)

AUDIO-GD DA-7 MKI 2023 Module Stand Alone DAC R2R 24Bit / 384kHz Mono

Audio-GD DA-7 MKI 2023 module configurations and connectors

The module features an I2S input via soldering pads, a power supply input and a digital/analog output. In addition, soldering pads allow it to be configured in balanced or unbalanced mode.

AUDIO-GD DA-7 MKI 2023 Module Stand Alone DAC R2R 24Bit / 384kHz Mono
1Configuration: L/R channel
2Configuration: Phase inversion
3I2S input: DATA 
4I2S input: BCLK
5I2S input: WCK
6Power supply input: GND 
7Power supply input: +3.3V Analog
8Power supply input: +3.3V Digital
9Signal output -
10+ signal output
11Signal output: GND Analog
12Signal output: GND Digital
13Configuration: L/R channel
14Configuration: Phase inversion
AUDIO-GD DA-7 MKI 2023 Module DAC R2R 24Bit / 384kHz Mono

Technical characteristics

Specifications
Product typeR2R DAC
Supported sample rates24bit 384kHz
DSD512 (with USB Amanero/XMOS input)
CPLDCPLD CMOS Xilinx XC2C128 450Mhz
NOS
Components48 high-precision parallel resistors 0.1% (sorting tolerance 0.05%)
Format64 BCLK (Base Clock)
General
DimensionsApprox. 125 x 130 x 25mm
Mounting holesApprox. 123 x 118mm
Poids net 95g
Package1x R2R Audio-GD DA-7 MKI DAC module
 
Data sheet
InputSolder pad
OutputSolder pad
DAC / ADC ChipR2R LADDER DAC
Max sampling rate384kHz
 
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Average votes
5.0 / 5
2 reviews
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 5/5
Date :
AUDIO-GD DA7 corretto
Not simple but not complicated either. You need to pay attention to the wiring and power supplies and I highly recommend the original ones.
One day of work, triple checking everything, It pretty much worked first time. The sound is basically excellent, but can be improved with some adjustments that I will install in the future. Non semplice ma neanche complicato. Bisogna porre attenzione ai cablaggi e alle alimentazioni che consiglio vivamente le sue originali.
Un giorno di lavoro, ricontrollando tutto tre volte, Ha praticamente funzionato al primo colpo. Il suono, di base ottimo, ma migliorabile con alcuni accorgimenti che intallerò in futuro.
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This review has been posted for AUDIO-GD DA-7 MKI 2023 R2R DAC Module 24Bit / 384kHz
Note :
 5/5
Date :
AUDIO-GD DA-7 Kit
Not simple but not complicated either. You need to pay attention to the cams and feeds and I highly recommend them.
one day of work, rechecking everything three times, It practically worked the first time. The sound is basically excellent, but can be improved with some adjustments that I will install in the future.
Non semplice ma neanche complicato. Bisogna porre anttenzione ai camlaggi e alle alimentazioni che consiglio vivamente le sue.
un giorno di lavoro, riconytrollando tutto tre volte, Ha praticamente funzionato al primo colpo. Il suono, di base ottimo, ma migliorabile con alcunio accorgimenti che intallerò in futuro.
 (0)
 (0)
This review has been posted for AUDIO-GD DA-7 MKI 2023 R2R DAC Module 24Bit / 384kHz
 
AUDIO-GD DA-7 MKI 2023 R2R DAC Module 24Bit / 384kHz
The Audio-GD DA-7 MKI 2023 features a 24-bit DAC based on a resistor network. It benefits from all the manufacturer's know-how when...

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