Xiang Sheng DAC-02A DAC upgrade with Burson Discrete V4 opamp

Published on

wpadmin
December 31, 2012

Post Info

Feedbacks - V4 SS Opamp
discrete opamps, Xiang Sheng DAC-02A

I bought Burson discrete audio Opamp type : standard fly lead. Replaced Opa627au*2 in Xiang Sheng DAC-02A upgraded with little mod cap and tube. First listen was amazed and excited. I

t’s sound next step from any opamps. I can listen any kind of music without hiss or noisy. Everything are improved and more audiophile.

I’m very impressed !!!

CtMonz monz

The System

Listening with

Xiang Sheng DAC-02A

Burson

Burson V4 Opamp · Discrete opamp (single / dual) · discontinued

Supply voltage: ±5 V to ±20 V (absolute maximum)
Gain-bandwidth product: 50 MHz (at 100 kHz)
Dual or single: dual and single
Package: dual 40 mm × 16 mm × 20 mm; single 40 mm × 16 mm × 14 mm; 8-pin

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Also in the system

OPA627 · Operational amplifier

Supply voltage: ±4.5 V to ±18 V (recommended); ±18 V dual-supply absolute maximum
Gain-bandwidth product: 45 MHz typ (OPA627AU/BU, gain = 1, CL = 30 pF); 16 MHz typ (OPA627AM/BM/SM)
Dual or single: single
Package: SOIC-8; TO-99
Quiescent current: 7 mA typ / 7.5 mA max

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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.