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Second cab help

#22
they really need to change the title of that sticky from the bland "amps FAQ" to something more eye-catching, like "4x10 plus 1x15 sucks and here's why!" so it gets read more often.
 
#26
billfitzmaurice said:
Then get rid of it and get two of something else that you like the sound of that isn't too heavy. 115lbs for a 410 is absurd.
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You're telling me, it has two spring loaded handles on each side and no casters, and next to no chance of bein comfortably carried by one person
 
#29
I never have done it, but I know a lot of people are against the 410+115 setup. I have used 2x 410's before and it worked great. If you do go with another 410, as others have said try to match it. How about a 410 and a 210 setup?
 
#30
klejst said:
I never have done it, but I know a lot of people are against the 410+115 setup. I have used 2x 410's before and it worked great. If you do go with another 410, as others have said try to match it. How about a 410 and a 210 setup?
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Depends on your head and the cabinets. If your head is rated to run with 4 Ohms of impedance into two parallel cabinets then you should get two 8 Ohm cabs. Now if you have one 8 Ohm 410 and one 8 Ohm 210 wired in parallel they will each receive the same amount of power, which means you are asking your 210 to handle as much power as the 410. As you start pushing the system the 210 will max out long before the 410 as the speakers are receiving half the power as those of the 210.

Now if your 210 cab was rated at 16 Ohms then it would receive half the power of the 410, and each speaker would have the same amount of power going through it. An 8 Ohm and 16 Ohm wired in parallel would result in a 5.33 Ohm impedance on your head.
 
#31
Right; if the speakers are identical and the cabs are such that the phase behavior is similar, you get yourself a nice balanced 6x10 cab.

I don't know why more builders don't do this; they could sell a matching 2x10 that switches between 16 ohms (to properly "extend" their own 8 ohm 4x10 cab) or switches to 4 ohms to be used by itself on small gigs.
 
#32
walterw said:
Right; if the speakers are identical and the cabs are such that the phase behavior is similar, you get yourself a nice balanced 6x10 cab.

I don't know why more builders don't do this; they could sell a matching 2x10 that switches between 16 ohms (to properly "extend" their own 8 ohm 4x10 cab) or switches to 4 ohms to be used by itself on small gigs.
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It would be a big selling point for me, I have thought about modding speakers to run like that. Then my GAS kicks in and I start looking for actual 610 cabs...
 
#33
So just some
Clarification guys, my amp at 8ohms puts out 375 watts and at 4 ohms puts out 600 watts. Assuming I'm going to buy two identical 410 8 ohm cabs what is the minimum power handling I should look at? Will 400 watts be enough? 500? Or should I be safe and look towards the 1000 watts (the most common next up from 500 I've found)
 
#34
darknes40 said:
So just some
Clarification guys, my amp at 8ohms puts out 375 watts and at 4 ohms puts out 600 watts. Assuming I'm going to buy two identical 410 8 ohm cabs what is the minimum power handling I should look at? Will 400 watts be enough? 500? Or should I be safe and look towards the 1000 watts (the most common next up from 500 I've found)
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Those ratings are probably thermal limits, not excursion limits. You will reach the excursion limits before the thermal limits, so dont worry about it. Use your ears to tell you when you are pushing the speakers too hard.
 

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