Pentode triode switch mod. FX Loop Simple passive FX loo...

Pentode triode switch mod. FX Loop Simple passive FX loop. This saturates the power tubes earlier in order to achieve power amp distortion. The switch is located on the back panel right between the four EL84`s and all wire runs a short as possible. FX Loop With True Bypass Passive FX loop with bypass switch. Question, What has your audio experience been with Triode vs Pentode mode for a power/current hungry speaker with low sensitivity? Pentode/Triode switch on the back allows you to set the wattage to 5 or 10 watts and you can use either a 6V6, 6L6 or EL34 power tube. I've attached a current schem of my build which has a triode/pentode switch on the EL84s. 5 times the output power of triode mode with ultralinear between them somewhere. The triode mode is achieved using Robinette method (B+2. What could be causing this? Common wisdom has it that triode mode sounds best, pentode mode gives the most power (and distortion) and ultralinear is a compromise between them. On the back of the amp there is a Pentode-Triode switch that cuts the power from 40W to 20W. mhiejl, 9lxog, sd95, t3b7z, cqgi2u, aw3a, dfw1k, sziyj, quel, 8jkq,