Archimago's Musings: NOS vs. Digital Filtering DACs: Exploring filtering turned off, implications, fidelity and subjective audibility. (Recent BorderPatrol DAC chatter...)
NOS R2R DAC - Goldfinch Acoustics
Finished Dual AD1865R NOS DAC Hifi Audio Decoder with Balanced output | eBay
DDDAC 1794 Module - Audio Creative Shop
GIESELER AUDIO R2R NOS DAC | Gieseler Audio
HIFI Stereo Dual AD1865R NOS DAC Hifi Audio Decoder Supports RCA Analog and XLR Balanced outputs
Junilabs - Jundac Two, high-end 24-bit NOS DAC kit with PCM1704
DiyParadise Monica3 NOS DAC - [English]
monica dac
NOS DAC/I2S format NOS decoder shifter board and I2S data conversion right aligned format
AUDIO-GD R-1 NOS R2R Discrete DAC DSP FPGA USB Amanero HDMI I2S32bit 384kHz DSD512 - Audiophonics