

(Dual ES9038Pro +1 FPGA )
Dedicated Discrete Fully Balanced DAC
Built In FPGA Processor to Reject Jitter
Dual Sabre ES9038Pro
DSD , DXD 32bit / 384K Support From USB / HDMI
Built with OCC and Hi-end parts
WARRANTY2 years warrantyDedicated support
EASY RETURN 14 days satisfied or refunded
The different between dual ES9038 Pro and single ES9038 Pro is large:
The different not only the DNR, but the dual ES9038 Pro working under mono mode, the channel crossing is improved for offer a larger and exact sound stage.
Even the ESS9028 Pro, working under mono mode, its DNR had 3DB better than one ES9038 Pro .
The FPGA is important in the D-77:
1, Separate the data feed to dual ES9038 Pro for working in mono mode.
2, Clock re-clock process and FIFO design for all inputs , the output data can exact synchronisation with clock signal, reject jitter.
3, Built in high performance SPDIF interface , bypassing low performance SPDIF interface of the ES9038 Pro .
What is the FPGA duty in the D-77:
1, Separate the data feed to dual ES9038 Pro for working in mono mode.
2, Clock re-clock process and FIFO design for all inputs , the output data can exact synchronisation with clock signal, reject jitter.
3, Built in high performance SPDIF interface , bypassing low performance SPDIF interface of the ES9038 Pro .
Full discrete output stages:
The signal last stage is the analog output stags , they greatly effect the whole DAC sound quality.
The output stages working after ES9038 pro, they are full discrete transistor built with hole parts but not SMD parts .
The high speed ACSS amps work as the signal gain and processing , they are of non feedback design and working in current signal mode . the dual ES9038 pro output [current signal] goes through the ACSS amp .
In our design output stages working in pure class A , and without any negative feedback for the most pure and life like sound reproduction .
There are 4 pcs OPA built in as DC servo , so the DAC can be working well without coupling caps and output the most neutral sound.
Heavy power supplies design:
There are in total 16 groups PSUs .
A total 13 groups of ultra speed linear PSUs (dual stages PSU to remove the power interruptions ). PSUs deliver cleanest power to allow digital circuits working under best conditions .
2 groups of pure class A PSUs to power to the analog circuits and deliver most analog sound .
The control and display circuits are powered by a separate PSU to avoid adding any additional noise to the rest of the circuit.
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