Posted on Aug 28, 2007 10:05 am
Member Since: Feb 19, 2007
Ok, so here's probably a simple question for most of you guys out there..
I just bought a Peavey VavleKing 110head with a 412 ValveKing cab, and the thing fricking rocks. Seriously great tone. I can't wait to record it. Anyways, I was wondering.. What does it mean when it says that you can hook up 2 cabs in parallel to make it a full stack?
I know what a full stack is, and I know that my head has 2 paralleled outputs on the back of it, but I was wondering, why would the back of my slant cab have 2 inputs on it? I'm assuming that if I got a straight cab to go with it, it would also have 2 inputs.
Since I have a 1/2 stack, do I need to run a speaker wire from both outputs from the head into both inputs on the cab? Will 1 speaker wire from the head to cab suffice?
This is just confusing the hell out of me (I'm sure its pretty simple too), but I don't want to go messing up my new amp.
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Aug 28, 2007 10:12 am Then you can daisy-chain cabs together...one is input and one goes out into the next cab. Depnding on the ohm load your head can deal with and the ohm loads of the cabs you could run 4 4x12's off the one head.
Not saying I recommend it, just saying it's the theory...not seeing the cabs I assume that's what they are.
Aug 28, 2007 10:23 am I think I can daisy chain it.. The cab is a 16ohm impedence. The head is switchable. So i'm assuming that If I daisy chained 2 together, I would have to switch the output from 16ohm to 8 ohm?
Aug 28, 2007 11:06 am If the jacks are set for parallel, then yes
Since: Apr 08, 2004
16 parallel 16 = 8 ohms
Two cabinets would require 8 ohm setting.
one cable from each head output, to 1 input on the cab. The two jacks are probably wired together in parallel, but I'd check to be sure.
A cheap multimeter would tell you. If there's continuity from the sleeve of each jack (or retaining nut, if it's metal), then they're parallel. (tip to tip, sleeve to sleeve).
If you have the choice, always set up 2 cabinets on their own leads. This way all that power isn't going through 1 cable, but instead divided between the 2 cables.
Aug 28, 2007 11:16 am PJK, yea, the head outputs are wired together in parallel.
Would there ever be a time where you would run 2 wires to 1 cab? Head outputs to cab inputs? For my 1/2 stack?
Aug 28, 2007 11:23 am if you have two different amps that you do A/B type stuff with you could use both...such as one for dirty and one for clean or something of that nature...
Aug 28, 2007 11:43 am If you run from one head to one cab, then using two cables would just duplicate the first cable. So it wouldn't be much, if at all, different.
Since: Apr 08, 2004
Running two heads into 1 cabinet is dangerous, as you'd be sending all the power out of one head, and it'd be trying to find ground via the output of the other head. Not safe.
An A/B switch that dB mentioned would be the way to go, using 2 heads and 1 cab. But it has to be rated for your head(s) output.
WeberVST makes something like that, though I haven't checked it out. They make good stuff though.
Aug 28, 2007 12:13 pm Thanks guys! This answers my questions.
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