Mojotone British 50 watt 1976 2204 model

[johnnyreece]

Here’s some idle current to plate voltage guides .

60% will give far better tube life then the 10% difference between 60 and 70% suggest.

Weber used to have the Jim Jones bias table. I found a copy here (in case folks are interested in more than EL34): https://www.franciselectrik.com/bias/