Here some examples of Mesa Boogie Heater/FSw/relays circuits

[kagliostro]

I find useful to look at how others do things

so I put together this mini collection of heater circuits from Mesa Boogie amps

K

[kagliostro]

The other schematics

K

[John]

Nice having that all in one spot, thanks K!

[six el six]

I've even seen one mesa that had a solid state voltage regulator in it's dc heater supply.

posted below

[kagliostro]

Many thanks for sharing

I was missing that schematic

K