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Cab Decision: 410 & 210 or 410 & 115
- Thread starter ODDBALL
- Start date
BurningSkies
CRAZY BALDHEAD
- Feb 20, 2005
- 27,956
- 20,350
- Disclosures
- Endorsing artist: Dingwall Guitars
It's actually a formula that gives you a theoretical 'average' power handling in 'regular' use. It really is nothing more than a number on paper rather than a measured anything although it IS the measured voltage in relation to the impedance then massaged through a couple other calculations.
Sooo. For example, an amp that produces 60v at the output before it hits the rails:
60V peak, 4 Ohm load means 60 x 60 / 4 = 900 watts (peak)
and Vrms = 0.707 x 60 = 42.24V. RMS power is 42.42 x 42.42 /4 = 450 Watts (RMS).
Last edited:
BurningSkies
CRAZY BALDHEAD
- Feb 20, 2005
- 27,956
- 20,350
- Disclosures
- Endorsing artist: Dingwall Guitars
Without going into too much detail, you'll be fine if you use your ears.
I use a 3000w amplifier with 2 cabs that are good for about 800w each give or take. If you hear the cones break up or distort, back off the volume and/or the low end. As I said before an amp that's good for 350w can produce way more in the sudden transients, although usually they're producing an average that's way less. The real considerations here are that cab companies and amp companies aren't usually all that straight or accurate with their listed specs...and also tend to do things like quote thermal ratings rather than excursion ratings (how hot the speaker voice coil can get rather than how far a speaker can move) because those number tend to be more impressive. Use common sense and you'll be in good shape.
I have never had much luck mixing driver sizes, I tend to stick with the same size drivers either all 10's or 12's. Having said that (and totally contrary to what I just said) I have played through some awesome multi driver size cabs, Bergantino and Schroeder to name a few. If your head can handle a 2.6 ohms you may want to consider three 2x10's. Personaly I'd go with two 2x12's. Good luck.
I drive a Hartke 115 Hydrive with a 410 Hydrive as well. My amp is the LH 500, I put the 115 on top and it's awesome! I chain them up and it draws the 500watts (maybe less) at 4 ohms. It sounds great and does what I need!
Sweet!
Sweet!
I agree which will get him within his ohm spec now that I read the thread, but I haven't seen a16 ohm 210 lately.
I gotta add that I sometimes run an aggie 212 and aggie 410 together. Each is 4 ohm. Sounds huge.
Nobody has said that mixed cabinets can't work just that identical always work. If someone buys dissimilar speaker cabinets and they don't get on with each other then that person has to sell one of the boxes to get another that might. This can go on for a while until something that does work is found. Ends up the person has a bunch of wasted time, money and peace of mind.
Not sure of the OP's reason, but it's certainly easier to pack two cabs into a sedan than one larger cab (6×10, 8×10, etc.)
All right all.... I actually bought the New Fender Rumble series V3 210 Combo and a V3 115 extension cab. This combination will give me 500 watts.
I should receive it on Monday.... Very Excited
Shaun
I should receive it on Monday.... Very Excited
Shaun
