The Amp Garage

This should be a fun project for the winter. It's Trinity's 20 watt version of a JCM800, using 6v6 output tubes.

https://www.trinityamps.com/product/trinity-18/

Hi guys! I'm hoping someone can help me out. I performed the Headfirst mods on my DSL. Now I'm having this issue. Green channel works perfectly, but the red channel has very low volume and barely any gain. Any ideas where to start with diagnosing this problem? Here's a video of the issue, https://yo...