# quick question on cab wattage

Discussion in 'Amps and Cabs [BG]' started by tadnuge, Apr 7, 2014.

Apr 4, 2014
Indiana
I might get an svt 3 pro this sunday.
I have a peavey kb300 with a 15" speaker, 8 ohms, 200w rms, 400 max.
I figured I could wire the KB300 up as a cab until I get something better.
The SVT3-PRO pushes 275w @8ohm, 450w@4ohm
My question is, if I were to get another cab, for example, a 400w, 8ohm hartke 410, would i run the risk of blowing the 15? or would the 15 only take what it needs?

I do realize I could just use my ears and turn it down if it distorts, but I was just curious how the wattage would be divided, being different wattages.

I tried to search it and look on the faq, but couldn't find anything, although i'm almost positive i read something on here very similar within the last couple days. My apologies, I'm sure this is probably a question that's been asked many times.

EDIT: To clarify, I do realize that together the cabs will equal 4ohms, bumping the amps wattage to 450.

Apr 4, 2014
Indiana
Would they both get 225 watts? (450watts from head/2 cabs, same ohms)

3. ### Vince Klortho

The power capacity of the cabinet (you called it wattage) does not determine how the power is divided. The impedance decides that and with two 8&#937; cabinets the power will be divided equally between them. Using two 8&#937; cabinets will result in a 4&#937; load and if the amp puts out 450W into 4&#937; then each cabinet will get a maximum of 225W or half of the power. It is possible to blow both cabinets with that much power so you just have to be careful and attentive.