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Multi-Way Conventional loudspeakers with crossovers

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Old 26th January 2010, 11:17 PM   #1
Cmac16 is offline Cmac16  Canada
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Default new cabinets?

So, im new to this website, but not new to sound, im fairly involved with spl competing and have reached over 142DB.

now what im not as familiar with is home audio theory.

so i have a set of realistic mach 1 speakers ( along with a family of other speakers in diffferent shapes and sizes as i like to collect.. ) and i was wondering if i could get more out of them. i think they are the newer ones as they have high and mid range controls on the front..

i am no stranger to building ported boxes and enclosures, and just want the best sound out of what i have!

thanks

Cam
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Old 27th January 2010, 01:36 AM   #2
DcibeL is offline DcibeL  Canada
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Ahh, the L=B parties...everyone gets a trophy!

for cabinet design you will need at the very least some T/S parameters, if you have those try Unibox, it's an excel spreadsheet which is very useful for this very purpose.

Since I doubt you have any of the specs for the speakers you have, your best bet for better sound would be to add bracing and damping material to the cabinets that you already have. A simple way is to cut some thick dowels, and wedge them into the cabinets and glue in place. A simple solution for adding damping material is pillow stuffing.

If you can use a soldering iron, you'll likely find some electrolytic caps in the speaker crossovers, repalcing these with polypropelyne caps will often improve the sound, especially in older speakers. You'll find that the poly caps will be larger, but as long as the wire lengths are not meters long, just wire them in the best you can, and glue them down with hot-glue or epoxy to keep in place.
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Old 27th January 2010, 01:38 AM   #3
Cmac16 is offline Cmac16  Canada
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what about getting more bass response? what can i do?
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Old 27th January 2010, 01:57 AM   #4
DcibeL is offline DcibeL  Canada
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Buy a subwoofer.
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Old 27th January 2010, 03:35 AM   #5
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Or use the speaker with the best mid-range sit it on top of the Tandy and add the Realistic Mach 1 ( which is a good speaker for bass ) for a bit of extra bass, just bypass the XO with the biggest inductor you can afford, this way you get an extra 3dB down low.
I have assumed your amp can drive 4R and the other speaker is 8R
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Old 27th January 2010, 06:29 AM   #6
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Wait a second.

"More bass response"

Do you mean lower bass, or
louder, lower bass?
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Old 27th January 2010, 06:31 AM   #7
Cmac16 is offline Cmac16  Canada
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yes, i want louder, lower bass, i have pleeeennntty of mid and high range, i just need some more down low
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Old 27th January 2010, 07:05 AM   #8
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Just louder, but that gives the impression of deeper because of Fletcher-Munson; although the Ratshack bass isn't bad as is.

Of course I have made an assumption that the speaker on top would be a 3way
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Old 27th January 2010, 06:06 PM   #9
Cmac16 is offline Cmac16  Canada
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these are the exact ones i have

Click the image to open in full size.


My Basic question is, is there someway i can manipulate the cabnet to make it sound better, or would building new cabs or new ported cabs be worth it?
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Old 27th January 2010, 08:18 PM   #10
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re:' is there someway i can manipulate the cabnet to make it sound better'
If you get the T/S parameters of the woofer, download Winisd or Unibox and enter them, you will find the range of cabinet possibilties open to you.
re:'would building new cabs or new ported cabs be worth it?' - only you can decide that; but for me, with speakers of this quality the answer is no, for the effort, you'd be better to build completely new cabinets with better quality drivers. The simplest solution is Dcibel's suggestion - add another woofer...
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