5E3 Half Power switch

[Leif H]

Hi there, I tried this mod suggested in the 5E3 Forum, it seems to really work as a bright switch, or a dim switch to be exact.

I loose grind to be exact, I love the tone of the 5E3, and this mod supposedly is an attenuator.

As far as my setup here, I've got 510R 5W cathode resistors, 22uf 25V bypass caps, and the resistors on the switch are 330R 1/2W, and 100K 1/2W.

Is it a case that the 330R and 100K should be higher wattage to attenuate more?

Thanks in advance,

Leif

[pdf64]

This mod will make the tone smoother - it decreases the sensitivity of the output tubes, so they have to driven harder to reach full power. 1/2 watt should be fine for those resistors, high wattage ones won't cut more signal.

[Leif H]

This mod will make the tone smoother - it decreases the sensitivity of the output tubes, so they have to driven harder to reach full power. 1/2 watt should be fine for those resistors, high wattage ones won't cut more signal.

Thanks, it about sums up what I have found it does. I'm wondering if a VVR would be better suited to what I wanted to do.

Not that I don't love the tone from it at low volumes, it's awful sweet, with some nice bounce in it. I suspect it's the 12" speaker, as I've only played 8 and 10" speakered amps before.