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  #1  
Old 02-29-2012, 08:05 AM
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Arrow Building a MONSTER sub

I am in the process of building my first subwoofer. It will be a frankenstein.

My real question is voice coil configuration.

Im hesitant to make a decision on dual 2 or dual 4.

SO that i can be ran at 1 or 2 ohm.

What are the greater proportion of 2kw amps stable?

Im just trying to think about the future and the ease of producing watts.
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Old 02-29-2012, 08:24 AM
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Go dual 2. There are far more amps in that range that do full power at 1 ohm. The list for 2 ohm at that power is pretty short.
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But thanks for chiming in. Your opinion is duly noted.
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Old 02-29-2012, 08:28 AM
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If you can find a dual .5ohm coil, go that route. Wiring the coils in series will yield more Bl.
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Old 02-29-2012, 08:36 AM
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Will the coils be round wound or flat wound? Are you gonna use aluminum or copper? What kind of former do you plan on using? How many and what kind of spiders are you going with? What motor are you using? Will they be 2 layer,4 layer,8 layer, etc....?
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I think it's probably because that sub is not moving enough to allow it to cool.. Id turn the gain up a bit so it moves more for cooling reasons.. That's why it's hard on subs to be underpowered..
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Old 02-29-2012, 08:40 AM
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Originally Posted by audioarsonal View Post
Will the coils be round wound or flat wound? Are you gonna use aluminum or copper? What kind of former do you plan on using? How many and what kind of spiders are you going with? What motor are you using? Will they be 2 layer,4 layer,8 layer, etc....?
dude.. just let him do the sub. he's concerned about the impotence.. not much more than that for now.


dual 2 is good shit.
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Old 02-29-2012, 08:40 AM
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Originally Posted by audioarsonal View Post
Will the coils be round wound or flat wound? Are you gonna use aluminum or copper? What kind of former do you plan on using? How many and what kind of spiders are you going with? What motor are you using? Will they be 2 layer,4 layer,8 layer, etc....?
YOU HAVE MANY QUESTIONS. lol

I bought an MTX 9500 motor so that is locked in.

However all other variables are still up in the air.

Which choice is superior?
Flat vs round windings?
Copper vs aluminum?
4 layer vs 8 layer?

At this point i am very open
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Old 02-29-2012, 08:49 AM
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I just am listing things you should think about. All of them have an effect on how the sub will perform. As far as one being superior it has more to do with how you want the sub to perform. Some have advantages over others in certain aspects. Will it be more for daily or SPL?
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I think it's probably because that sub is not moving enough to allow it to cool.. Id turn the gain up a bit so it moves more for cooling reasons.. That's why it's hard on subs to be underpowered..
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Old 02-29-2012, 08:49 AM
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flat aluminum. {choice for weight and capacity}

layers don't matter much. (personal opinion based on the fact a 4 layer coil can be made of larger material and has more capacity) but I'm sure someone will argue with me on that.

if you can get a TC cone and coil collar, that would be good. The cones aren't the greatest thing ever but they are designed to work with the basket you want and move far. {figure out how to reinforce the center of the cone so it doesn't dent and you'll be golden}

other options;

robot underground had some high roll 18" cones. not sure if they do now though.

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Old 02-29-2012, 08:52 AM
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Quote:
Originally Posted by XORstatus View Post
YOU HAVE MANY QUESTIONS. lol

I bought an MTX 9500 motor so that is locked in.

However all other variables are still up in the air.

Which choice is superior?
Flat vs round windings?
Copper vs aluminum?
4 layer vs 8 layer?

At this point i am very open
Flat winding and alum for more power handling and as for 4 or 8 layer how much power do u want to send to it
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Old 02-29-2012, 09:10 AM
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Really he needs to know the gap before he can choose the windings he may only be able to fit a 4 layer(not sure what the 9500 gap is). Also the winding height will need to be taken into consideration as well.
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I think it's probably because that sub is not moving enough to allow it to cool.. Id turn the gain up a bit so it moves more for cooling reasons.. That's why it's hard on subs to be underpowered..
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