Hypex Ucd180st bypassing opamp and using Tubebuffer

Yes, Alf, the transformers are large. This is a Yaqin MC-100B, see http://www.yaqin.cn/en/products_hf.html.

This an ebay bestseller, you can find him in several stores, f.e. here-with a lot of information: http://cgi.ebay.de/Yaqin-100B-4-x-KT88-Stereo-Tube-Integrated-Amplifier_W0QQitemZ310012275078QQihZ021QQcategoryZ3280QQcmdZViewItem

Kiko

To Koifarm,

how is the Hypex sounding after your mod?

Kiko