Need help on tweeters - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

djliquidsteele · 05-15-2013, 02:46 PM

So I have an old set of B&W DM601 S2 bookshelf speakers just sitting around and figured I'd try them out in the car. I have the adapters coming for the drivers but have a couple questions on the tweeters. The first picture is the complete speaker with some sort of tube glued on the back. Second PIcture is just the front. Third is with the tube taken off showing a hole stuff with foam. Fourth is all the pieces and there is also foam in the tube.

So, with the tube connected it will not fit in the dash. What s the tube and foam for? How can I emulate this when installing in the car?

Thanks

kuhlka · 05-15-2013, 03:41 PM

Did you try installing the speakers after removing those pieces? I'd bet it's so the tweeter has the proper air volume to actually produce decent sound quality. Think about why sub boxes are measured out to specific volumes, but on a much smaller scale. If they sound fine without that piece, then I have no idea.

Skywgn1 · 05-17-2013, 02:07 AM

Did you look to see what ohm load these are? If you start mixing ohm loads it can screw up your amplifier. Also, the foam may be a dust barrier.

djliquidsteele · 05-17-2013, 08:13 PM

Both tweeters and drivers are 4ohm.

05-15-2013, 02:46 PM	#1
djliquidsteele Senior Member Join Date: Apr 2012 Drives: Scion FR-S Location: Louisville, KY Posts: 498 Thanks: 62 Thanked 130 Times in 92 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Need help on tweeters So I have an old set of B&W DM601 S2 bookshelf speakers just sitting around and figured I'd try them out in the car. I have the adapters coming for the drivers but have a couple questions on the tweeters. The first picture is the complete speaker with some sort of tube glued on the back. Second PIcture is just the front. Third is with the tube taken off showing a hole stuff with foam. Fourth is all the pieces and there is also foam in the tube. So, with the tube connected it will not fit in the dash. What s the tube and foam for? How can I emulate this when installing in the car? Thanks Attached Images

05-17-2013, 02:07 AM	#3
Skywgn1 Senior Member Join Date: Jun 2012 Drives: 2013 Scion FR-S (manual) Location: Idaho Posts: 249 Thanks: 83 Thanked 53 Times in 41 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	Did you look to see what ohm load these are? If you start mixing ohm loads it can screw up your amplifier. Also, the foam may be a dust barrier. __________________ Customize the piss out of it and call it yours!

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05-17-2013, 08:13 PM	#4
djliquidsteele Senior Member Join Date: Apr 2012 Drives: Scion FR-S Location: Louisville, KY Posts: 498 Thanks: 62 Thanked 130 Times in 92 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Both tweeters and drivers are 4ohm.

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