Switching 4/8 ohms, what type of switch?

[Dandrix]

hello,


Was looking to switch between 4 ohms and 8 ohms (for speaker input) on output transformer on my new build. what type of switch would be best for that idea?

[JoeM]

Do you mean type of switch, such as rotary, slide, toggle, or the switch rating?

[Dandrix]

Do you mean type of switch, such as rotary, slide, toggle, or the switch rating?

like a carling spdt? 4 or 8 ohms left or right etc....

[Dandrix]

how about dpdt switch. toggle. would that be the right choice? on-off-on?

[JoeM]

You don't want on-off-on. You don't want to leave the output not loaded, so no need for an off position. A SPDT would work on-on (4-8)

[Dandrix]

is there a best example of how to wire it inline w/ the speaker jack and external jack? like for a fender ab763 example?

[JoeM]

http://www.webphix.com/schematic%20h...26_2275-65.pdf

Music Man amp had 4 8 ohm switching and two jacks.

[Dandrix]

thanks for the help.