tejastubes

Responses from tejastubes

difference between 12AT7. 12AU7 and 12AX7 Tubes
The difference is the gain where a 12ax7 = 100, a 5751 is 70 and so on. I often recommend for instance that if you want more headroom choose a 5751 as a replacement for a 12ax7 with a black plate triple mica being some the smoothest and warmest to... 
JJ EL 34 tubes for integrated amp
JJ tubes as well as other current production tubes are a great asset with current NOS supplies getting more scarce,,,however the NOS Mullard and Siemens Telefunken EL34 tubes occur far more dynamic and responsive. Being a guitar player myself, I u...