We’ve discussed the differences between the GA-5 and 5F1, both historically and in terms of the circuit. Here’s how one circuit could be converted to the other, in list form.Read More
This Dynavox was originally a so-called widowmaker amplifier. We completely rebuilt it with all-new components, installed a power transformer, and revised the circuit to eliminate the obsolete widowmaker tubes. It is now a safe, functional 1.5 watt practice amplifier. It can be used alone for bedroom practice, or plugged into a second amp for interesting tube overdrive tones.
Here’s some details on how we redesigned this amp.Read More