Adcom GDA-600 DAC upgrade with SS-Audio discrete Op-amp
The op-amps were the last of several sections that were upgraded in a Adcom GDA-600 DAC from a thread in DIY online. Listening was done after each section , power supply upgrade , caps around op-amps, the op-amp change and lastly the reserve caps at pin 4 to 8, each with SS-Audio discrete op-amp making […]