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Old 5th May 2011, 01:32 AM   #1
60ndown is offline 60ndown  United States
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Default 8" dual 4 ohm DVC full range available anywhere?

do they exist?

where do i find one?

would it be ok to run each voice coil off one side of a 'chip' amp, for stereo sound (yea not stereo but both channels would be heard through 1 driver... i think?)

ive built 2 nice boomboxes in the last 2 years using chip amps and full range drivers,

my new idea is to build something that has just 1 driver, can take full advantage of a chip amp (15wpc @ 4 ohms) is light as possible (easier to carry to the beach) and great sq

so i need a dual 4 ohm, dvc full range driver.

6", 8", 10" anything?

Last edited by 60ndown; 5th May 2011 at 01:35 AM.
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Old 5th May 2011, 01:57 AM   #2
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The only DVCs I'm aware of are subs. Why don't you just build a summing amp for a mono power amp input? Forget the exotic stuff. You can just tell the girls it's a rare audiophile DVC FR driver.
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Old 5th May 2011, 02:35 AM   #3
2litre is offline 2litre  United States
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Default Never tried one but...

Wouldn't this suite your requirements?
Dayton Audio ES80CS 8" Stereo Ceiling Speaker

No T/S info and 8ohm overall impedance.

R/
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Old 5th May 2011, 03:44 AM   #4
60ndown is offline 60ndown  United States
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Quote:
Originally Posted by sofaspud View Post
The only DVCs I'm aware of are subs. Why don't you just build a summing amp for a mono power amp input? Forget the exotic stuff. You can just tell the girls it's a rare audiophile DVC FR driver.

build an amp? im pretty good with a shovel, soldering iron not so much.

Quote:
Originally Posted by 2litre View Post
Wouldn't this suite your requirements?
Dayton Audio ES80CS 8" Stereo Ceiling Speaker

No T/S info and 8ohm overall impedance.

R/
close but like you say, 8 ohm.
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Old 5th May 2011, 04:04 AM   #5
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Hey, the shovel skills can be handy around here too!
You mentioned chip amps so I thought you were building from the ground up. A summing amp is just a simple op amp circuit. Super easy, even for a beginner. Don't sell yourself short. It may even be possible to do passively, with just a couple of resistors.
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Old 5th May 2011, 04:45 AM   #6
60ndown is offline 60ndown  United States
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41Hz Audio:Sounds Good to Me!


i could maybe do it, if i got a new soldering iron, and some helping hands, and a magnifying glass, etc etc..... maybe...

i can definitely buy one for about $70.
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Old 5th May 2011, 05:03 AM   #7
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You can get a soldering iron at Walmart for ~$6. Good enough for learning. And some solder. The other stuff you don't need to do the job. Where's your DIY spirit, man!
Solder 2 10k resistors in series. Where they join is the input to your amp. The 2 ends are the L and R inputs from your signal source.
The op amp version isn't much more involved than that. It needs a power supply of course.
That's the extent of my arm-twisting.
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Old 5th May 2011, 05:15 AM   #8
60ndown is offline 60ndown  United States
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Quote:
Originally Posted by sofaspud View Post
You can get a soldering iron at Walmart for ~$6.


with a tip the size of m finger.



Good enough for learning. And some solder. The other stuff you don't need to do the job. Where's your DIY spirit, man!


mdf.


Solder 2 10k resistors in series.


hmm series, i wonder if thats across the +ve and negative or 2 together on the -ve?.... or positive?



Where they join


where what join?


is the input to your amp. The 2 ends are the L and R inputs from your signal source.



spagetti or bbq?




The op amp


theres more then 1 kind of amp?


version isn't much more involved than that. It needs a power supply of course.


hmm power supply, you mean a battery right?


That's the extent of my arm-twisting.

and thats the extent of my electronics knowledge,

i can build a killer horn loaded enclosure in about 4 hours tho


thanks for the nudge, but imma stick to what i know and let those that have been playing with electronics for a while build the amps.
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Old 5th May 2011, 05:43 AM   #9
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Wow. I'm really at a loss after that reply...
You appear to have plenty of money, excuses, and line feeds. You don't need me.
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Old 5th May 2011, 05:50 AM   #10
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It is just a matter of power delivered to each single coil (speaker) ,so in a efficiency/cost calculation an amplifier can cost as a coil (High AWG for lowpass ,doubled ) and active EQ can overcome system deficiencies . If horn enclosures and their size just don't matter ...the problem is solved !
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