Xiang Sheng DAC-02A (OPA627) DIY discrete opamps upgrade

Xiang Sheng DAC-02A Discrete Opamp

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 […]

Asus Essence STX DIY upgrade discrete opamps by Andrea M.

Asus Xonar Essence STX DIY discrete opamp

The sound card is mounted vertically in a HTPC ATX case, all the available height is occupied. To his left, a low profile TV tuner card. In the picture you see, at left, the three original IC dual op-amps: for the left channel, the right channel (top left) and the buffer (center left); you have […]