help

[BELIAL]

i have a swr sm 400 bass head swiched to stereo mode 250 watts one carvan 118 cab w 2 1/4in jacks on input jack reads impedence 8 ohms jack 2 marked extenion and at top says 4 ohms @ 600 watts cab 2 has no markings it has 4x10 evs whats the easyest way to calculate impedence and ohm matching theres also room 4 2 more cabs

 

[dementedchord]

have you got access to an multi-meter... thats the best/easiest way... on a side note.. iirc all the swr's are solidstate... and not too sesnsitive to output impedences as long as it doesnt go too low... lower than 4 ohms which general reads @3.6 on a meter...

 

[cellardweller]

Oh Lord of the Northern Wastes of Hell...He who commands earth demons...
Prince of lies and guilt....

What need have you to calculate impedance?