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Speaker loads


john_the_bass
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Right - apologies if this has been asked before, I've been through the stickies and wiki at some length and I still can't find an answer (that I understand, anyway).

I have an Ashdown ABM 300 EVO-II (or whatever it's full title is) - which apparently chucks out 325w at 4 ohms. I don't know what this figure is at 8 ohms, but I expect it to be roughly 50-60% of that. I run this through a single ABM Mini 15 8 ohm cab rated at 300w.

What I would like to know is...

If I run a second 8 ohm cab (I want a 210), how is the power split? Does 50% of the 325w go to each cab or does it depend entirely on the frequency of signal, how much power goes to which cab?
My assumption is that I can use a 300 watt cabinet currently with my head as it is only producing power based on an 8 ohm load, and is therefore only producing say, 200w. I've probably simplified it, but if anybody can explain in words of one syllable that I might be able to understand, that would be great.
Basically, I would like to add a 210, but would only do so if it meant I didn't have to replace my 15 as it isn't up to the job of handling the power.

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I've been trying to understand all of this stuff recently, as I'm upgrading my rig for the first time in 10 years, I think I'm there (although don't take what I say as gospel).

If you have 2 speaker cabs the power from the amp should split evenly between the two cabs.

As for using your current cabs, this I'm less sure about, so I've deleted the response I just wrote... lol and have a similar query on another thread.

The advice I've been consistently given is, if you hear distartion turn down before you damage the speakers, seems to have worked so far.

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