WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
Building, troubleshooting and testing of these amplifiers should only be
performed by someone who is thoroughly familiar with
the safety precautions around high voltages.
My cursory understanding is that one of the limitations of toroid output transformers is their sensitivity to output valve balance. Would the TentLabs bias control tend to mitigate this problem, making the two a natural fit?
Yes, in SE it is less critical, though 2 equal channels for left and right are a must, in this aspect it still is critical, moreover because most tubeamps run with little to no gfeedback
In SE there's one exception; When using 2 tubes in parallel, one should make sure these are equally biased (and matched for gm).
