After my first tube amp , I decided to try a battery powered one. There is not a lot of information about guitar tube battery powered amps on internet, but I found some resources. My search began on YouTube and I found a video of a guy that wrote the schematic link in his video description here . I just followed it, mounted the components of the amp (all point-to-point wired) inside a large tin can and used my small 6 inch speaker connected to it. The amp is powered by 10 x 9v batteries ( for tube plates ), one 1.5v battery ( for tube filaments ) and 3 x 1.5v batteries in series, providing 4.5v of negative bias. The tubes used, are one 1Q5GT and two 1T4, early used in battery powered radio receivers. It has just two controls - volume and tone. Here is the schematic: Here is the power supply schematic: And here, the built amp: Check out my videos on YouTube of this amp playing a song from my computer and also a song from my guitar: Hope you enjoy and if you plan to make an amp li...
DYI and homemade lover. Making things by ourselves gives us pleasure and it can be useful for so many everyday life tasks.