Project to improve only the headphone output of my Asus Essence STX II card! Very conclusive result, improved soundstage, better instrument separations, more neutral sound compared to the old AOP
The System
Listening with
ASUS Xonar Essence STX II · Sound card: PCIe sound card with headphone amp · discontinued
- Frequency response: 10 Hz – 90 kHz (-3 dB, 16-bit/44.1 kHz input)
- Output impedance: not published
- Output voltage: RCA 2 Vrms (line out, RCA/3.5)
- Gain: not published
- Inputs: 1x 6.3 mm line/mic in
- Outputs: 1x 6.3 mm headphone (7 Vrms); 2x RCA; S/PDIF coax out
- DAC / chipset: TI Burr-Brown PCM1792A; ASUS AV100 processor (192 kHz/24-bit)
- Other: headphone output 7 Vrms; SNR (A) 124 dB front / 120 dB headphone; THD+N 0.0003% (front) / 0.001% (headphone); swappable opamps
Burson
Burson V6 Vivid Opamp
Specs from manufacturer data unless a source below says otherwise. “calc.” values are worked out from those figures (V = √(P × R); 110 dB SPL used as a loud reference level). Gear listed without specs is not in our spec library yet.
