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Crossover question

#44
BassmanPaul said:
I had already guessed it was a Carvin rig.
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So please explain to me why using it the way it was intended to be used is bad and will damage it. Also, explain why it is not damaged, considering I ride it pretty hard and have for a very long time.

I don't pretend to know anything about cab design or even necessarily optimum bass rig specifics, but I do know what I have and how it sounds and works and what you said is certainly not true as far as my experience with this rig is concerned.
 
#45
I used to have a 15+210 and a 15+410 version of the same rig. Just because they sell it that way doesn't mean it's the best design or that it even makes any sense. You put together what you think will sell. More cabs are designed on looks than sound anyway.

That said, your rig is still a step ahead of just wiring them all to one jack. You're biamping, you likely have enough output in the lows to take care of things down there and you can balance out the rest at the amp.

The rl1000 is really 200something watts per channel on 8ohms, 300something @ 4. Any half decent 18 should be able to survive that without giving up the ghost. Your mids/highs though could easily be carried by 1, no more than 2, 8's or 10's in a little sealed box. Dragging around a whole lot of extra top cab for no reason there.

The rl410 I had had different switch positions for different tweeter levels instead of a dial. If you set it to the "off" position, it probably really is out of the circuit and won't hurt anything.
 
#47
Floyd Eye said:
Now, whether or not they should be paired in a cab in the way the OP suggests is probably a question for Bill F.
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They should not. It makes no sense. Ten, twelve and fifteen inch electric bass drivers are not made to operate as sub-woofers or midrange drivers, they're all full range drivers and there's no benefit to mixing them or using a crossover.

As to what Flea uses? What he's paid to. :rollno:
Even the world's greatest bass players might not know diddly about acoustical engineering. Just like you they play what's made available to them. And if Flea were really an expert in the field of loudspeaker design he be playing through cabs that said Flea on their name plates, not that of whoever is endorsing him this week.

Never forget that manufacturers build what they think will sell, and if you think there's any logic in using a 4x10 and 1x15 together then that's what they'll build and that's what they'll promote.
 
#51
rad bassman said:
sounds like the basis for a 2way crossed over design, no need for a column of tens for +800Hz tho, 1 x 6" or 8" would be far better for + 800Hz
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The problem is that his friend wants a 4x10+1x15 in one cab. The idea with the lowpass filter is to combat midrange beaming (by having only two vertically stacked tens radiate in the beaming range).
 
#52
Windreaper said:
The problem is that his friend wants a 4x10+1x15 in one cab. The idea with the lowpass filter is to combat midrange beaming (by having only two vertically stacked tens radiate in the beaming range).
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That's a horse of a different color entirely. The OP asked about a crossover, which implies running the lows through the fifteen, the mids and highs through the tens. And that makes no sense, as four tens go just as low as and louder than one fifteen.
 
#53
billfitzmaurice said:
That's a horse of a different color entirely. The OP asked about a crossover, which implies running the lows through the fifteen, the mids and highs through the tens. And that makes no sense, as four tens go just as low as and louder than one fifteen.
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True that, and it would probably be more trouble than it is worth to try compensate for the driver alignment with electronics. Still, if you absolutely have to make that configuration work...
 
#54
Windreaper said:
True that, and it would probably be more trouble than it is worth to try compensate for the driver alignment with electronics. Still, if you absolutely have to make that configuration work...
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which sorta puts the OP back where he started, if it actually works for the user thats just fine and dandy, personally tho i think trying each cab on its own, picking the best sounding, then get another, sell the other
 
#59
Chef said:
HEY:
Floyd; BassmanP; be nice to each other or I'll arrange separate seating for you two.
You won't like that.
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I AM being nice Chef! I have been totally courteous in everything I have written. :)

I'm just trying to explain to Floyd what the ramifications of his actions could lead to. The last thing I want is for him to damage his expensive equipment through lack of knowledge.
 
#60
what keeps getting sort of glossed over is that adding a 15 under the 4x10 will make the whole thing bigger and louder, due to just having more speakers going at the same time in a bigger, taller stack. so in that respect, a 4x10+15 is "better" than either by itself.

that's where all the players who use this combo (pros included) stop in the argument.
 

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