The Buffalo-IIIse Pro (ES9028/ES9038) 2-Channel DAC
Buffalo-IIIsePro Manual
Input
Stereo (2-Channels)
PCM (I2S) (up to 32-bit, 384kHz)
DoP (DSD over I2S)
DSD (up to DSD512)
S/PDIF (Consumer-level or TTL-level)
Output
Stereo (2 Channels)
Can be combined for mono
Power requirements:
5.0VDC @ 750mA for powering onboard regulators
Recommended supply:
Centaur
Highlights
Four-layer circuit board optimized for mixed signals
Designed specifically for the ESS Sabre PRO Series DAC chips (ES9028/38)
Pre-configured for 2-channel (stereo) operation
High-precision, ultra-low-phase noise clock and integrated reclocking
Optional external master clock connections
Five independent supply inputs for digital and analog stages
Direct DSD, DoP, I2S and S/PDIF inputs supporting up to 32-bit/384kHz and DSD512
Switchable stereo S/PDIF input, or 2 channels of PCM/DoP/DSD
Accepts both consumer-level and TTL-level S/PDIF input
2-Channel (stereo) outputs can be used in current-output or voltage-output mode (depends on output stage used)
U.FL connections for digital inputs and external Master Clock
Built in digital volume control using the including volume pot
Lock and Mute LEDs (remote mountable)
Onboard microcontroller and 16 configuration switches
Open source firmware code using GitHub build pipeline
New header exposes all GPIO pins for direct access to all DAC features
I2C header for optional remote uC interfacing
Onboard 3.3V regulator for accessories (up to 900mA)
Optional terminal blocks, mounting hardware included)