There are a lot of headline-worthy details on these guitar amps. For one ... combine the power tubes for the best of both worlds at 100-watts. The preamp, meanwhile, houses a trio of ECC83s.

The 100-watt tube amplifier – visual shorthand for the raw power of a loud electric guitar, and the decades of musical history therein. However, if you’ve tried to wrestle one down a narrow ...

His other work includes some films that might be of interest to Hackaday readers, including one filmed in 1977: “100 Watts 120 Volts”. In it, he follows the manufacture of Duro-Test 100-watt ...