crossover location

icanryme2002 · 21st July 2007, 08:38 PM

i am new to building loudspeakers and i would like to know how and where to mount the crossover and what kind of wire to use to hook them up

MadMutt · 22nd July 2007, 07:28 AM

Ill try to answer your Q 1 at a time.

How to mount.

You can 'glue' the xover parts to a piece of mdf/ply/whatever with silicon, epoxy, etc.

You can then either glue or screw this into the cabinet.

Where ?

Well that depends on the speaker your building.
Most mass produced stuff has the xover mounted directly behind the bass driver.
Makes it easier to install/remove.

What kind of wire ?

Whatever you have or can get.
If their cheap speakers anything will do really.
If their ultra exotic, you might want to use something a bit better.

Hope this helps........

Cal Weldon · 23rd July 2007, 03:57 PM

Where you mount the XO has a lot to do with how you have built the cabinet and what access you have. It's probably a good idea to keep the coils away from the larger magnets although I'm not sure why.

The size of the wire? 16 ga lamp cord will be fine.

Petriej · 23rd July 2007, 09:39 PM

Inductors (coils of wire) do their thing because current flow causes a magnetic field. The shape of the inductor and this magnetic field interact to give the desired result.

I think if the magnetic field is changed (too close to a speaker magnet), it may give undesired results.

icanryme2002 · 26th July 2007, 06:50 AM

I have been wondering about this for ages.

Now would i mount them up top in a bookshelf loudspeaker by the tweeter to minimise disturbance?

What kind of foam and how much do you put in if the design calls for it?

thx for the response

icanryme2002 · 26th July 2007, 06:50 AM

Is braided cat5 usable for the inside of teh speaker or do need something higher gauge?

MadMutt · 26th July 2007, 07:42 AM

I don't think it's going to matter that much were you put the xovers.

If you wanted to be pure/obsesive, you wouldn't even have them in the cabinet at all.

as for cat5, I'd just use std everyday 'twinflex'.
Also known as 'figure 8'.

icanryme2002 · 26th July 2007, 09:14 PM

what kind of foam would i use, do i even need foam?

MadMutt · 26th July 2007, 10:07 PM

Pillow stuffing will do.

If you want the best, 100% wool.

Try your local fabric/sewing/quilting/hardware shop.
They should have various types of 'wadding'.
Normally some sort of acrylic fibre.

Only need a small amount.
It's there to absorb any 'back wave' from interfering with the drivers.

icanryme2002 · 27th July 2007, 01:04 AM

so i should put it all along the sides of the cabinet

21st July 2007, 08:38 PM	#1
icanryme2002 diyAudio Member Join Date: Jul 2007	crossover location i am new to building loudspeakers and i would like to know how and where to mount the crossover and what kind of wire to use to hook them up

23rd July 2007, 03:57 PM	#3
Cal Weldon Speakerholic diyAudio Moderator Join Date: Jan 2004 Location: British Columbia	Where you mount the XO has a lot to do with how you have built the cabinet and what access you have. It's probably a good idea to keep the coils away from the larger magnets although I'm not sure why. The size of the wire? 16 ga lamp cord will be fine. __________________ Next stop: Margaritaville Some of Cal's stuff \| Cal Weldon Consulting

23rd July 2007, 09:39 PM	#4
Petriej diyAudio Member Join Date: Jun 2007	Inductors (coils of wire) do their thing because current flow causes a magnetic field. The shape of the inductor and this magnetic field interact to give the desired result. I think if the magnetic field is changed (too close to a speaker magnet), it may give undesired results. __________________ Signature: Optional signature you may use to appear at bottom of your signatures.

26th July 2007, 06:50 AM	#5
icanryme2002 diyAudio Member Join Date: Jul 2007	finally I have been wondering about this for ages. Now would i mount them up top in a bookshelf loudspeaker by the tweeter to minimise disturbance? What kind of foam and how much do you put in if the design calls for it? thx for the response

26th July 2007, 06:50 AM	#6
icanryme2002 diyAudio Member Join Date: Jul 2007	My CAT only has FIVE livEs Is braided cat5 usable for the inside of teh speaker or do need something higher gauge? __________________ Make new friends but keep the old. Because one is silver. And the other is gold. (Bender) Ladies and Gentelmen take my advice pull down your pants and slide on the ice.


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22nd July 2007, 07:28 AM	#2
MadMutt diyAudio Member Join Date: Nov 2006	Ill try to answer your Q 1 at a time. How to mount. You can 'glue' the xover parts to a piece of mdf/ply/whatever with silicon, epoxy, etc. You can then either glue or screw this into the cabinet. Where ? Well that depends on the speaker your building. Most mass produced stuff has the xover mounted directly behind the bass driver. Makes it easier to install/remove. What kind of wire ? Whatever you have or can get. If their cheap speakers anything will do really. If their ultra exotic, you might want to use something a bit better. Hope this helps........

26th July 2007, 07:42 AM	#7
MadMutt diyAudio Member Join Date: Nov 2006	I don't think it's going to matter that much were you put the xovers. If you wanted to be pure/obsesive, you wouldn't even have them in the cabinet at all. as for cat5, I'd just use std everyday 'twinflex'. Also known as 'figure 8'.

26th July 2007, 09:14 PM	#8
icanryme2002 diyAudio Member Join Date: Jul 2007	the foamung at the mouth is natural what kind of foam would i use, do i even need foam? __________________ Make new friends but keep the old. Because one is silver. And the other is gold. (Bender) Ladies and Gentelmen take my advice pull down your pants and slide on the ice.

26th July 2007, 10:07 PM	#9
MadMutt diyAudio Member Join Date: Nov 2006	Pillow stuffing will do. If you want the best, 100% wool. Try your local fabric/sewing/quilting/hardware shop. They should have various types of 'wadding'. Normally some sort of acrylic fibre. Only need a small amount. It's there to absorb any 'back wave' from interfering with the drivers.

27th July 2007, 01:04 AM	#10
icanryme2002 diyAudio Member Join Date: Jul 2007	so i should put it all along the sides of the cabinet __________________ Make new friends but keep the old. Because one is silver. And the other is gold. (Bender) Ladies and Gentelmen take my advice pull down your pants and slide on the ice.

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