Thursday 22 October 2015

18W EL84 PP Guitar Power Amplifier Project is Almost Ready




Saturday 10 October 2015

EspritAudio EL84 Guitar Tube Amplifier Protototype


First Classic Guitar  vacuum tube amplifier from ESPRITAUDIO

First prototipe on PCB is done!!!








Custom Power Transformer suitable for My GY50 Hybrid Power Tube Amplifier 4 x 12AX7 + BJT Power Stage



Custom power Transformer  for my GY50 hybrid Amplifier clone is ready!!




Trasformatore Alimentazione Hi Fi 300VA 

Primario 230Vac

Secondari:
1 x 230Vac x anodica
2 x 67Vac x stadi finali BJT
2 x 12.6vac x filamenti 12AX7

Schermo elettrostatico primario/secondari