Audio-GD Underwood HiFi
睿志音响
Audio-DG R-28 Mk2 DAC / Headphone Amplifier; Discrete R2R D/A Converter - The Music Room
睿志音响
Audio-GD - R28 NOS - Discrete R2R DAC - Preamplifier & Headphone Amplifier • Magna Hifi
Audio-GD - R7HE mk3 - R2R Regenerative PSU Balanced DAC (PCM / DSD) • Magna Hifi
AUDIO-GD R-28 NOS: R2R DAC preamp/headphone amplifier
Audio-GD - R28 NOS - Discrete R2R DAC - Preamplifier & Headphone Amplifier • Magna Hifi
AUDIO-GD R-27HE R2R DAC Balanced Class A Headphone Amplifier Preamplifier 32bit 384kHz DSD512 Silver - Audiophonics
Audio-Gd R-28 impressions thread, Page 76
R-28
Audio-gd R2R 11 DAC/amp and pre-amp - Headphone & Earphone Audio & Reviews
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R-28 Headphones Amp / Dac / Pre
Audio-GD – R8 mk3 – Discrete Balanced R2R Ladder FPGA Accusilicon DAC (PCM / DSD) • Magna Hifi