Bernd’s Burson V5 Opamp with ASUS Xonar Essence STX II

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Post Info

Sounds good, but one channel is randomly cracking or completely silent. Im still investigating…

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

[1]

Burson

Burson V5 Opamp · Discrete opamp (single / dual) · discontinued
  • Supply voltage: ±3.5 V to ±15 V (absolute maximum)
  • Gain-bandwidth product: 50 MHz (at 100 kHz)
  • Dual or single: dual and single
  • Package: 14.5 mm wide × 12.4 mm deep × 29 mm high (V5-OPA-D)

[2]

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.

  1. ASUS Xonar Essence STX II: archived page (web.archive.org)
  2. Burson V5 Opamp datasheet V1.1