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Multi-Way Conventional loudspeakers with crossovers

Cheap, big bass, fun...
Cheap, big bass, fun...
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Old 24th February 2014, 06:37 PM   #1
B00B00 is offline B00B00  Canada
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Default Cheap, big bass, fun...

Hi All,

A couple of my students have approached me and want to build some party speakers.

Being teens, they want bass... they want *a lot* of bass

The budget is in around 400$ including wood, cross-over and drivers.

I'd like to keep the design simple and crossover complications to a minimum...
(Small full-range with a 12in to fill in the lower frequencies?)

Suggestions welcome...

Thanks,
-andre-
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Old 24th February 2014, 06:47 PM   #2
TheTubeAmper is offline TheTubeAmper  United States
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Quote:
Originally Posted by B00B00 View Post
Hi All,

A couple of my students have approached me and want to build some party speakers.

Being teens, they want bass... they want *a lot* of bass

The budget is in around 400$ including wood, cross-over and drivers.

I'd like to keep the design simple and crossover complications to a minimum...
(Small full-range with a 12in to fill in the lower frequencies?)

Suggestions welcome...

Thanks,
-andre-
EDIT: I guess I should enquire what type of system this will be for? (pro audio, home, big or small?)


For lots of lows in cheap pro audio you could look at some plans that you can find on google for the Cubo 15 box. It is a woofer enclosure for 15" woofers. I love mine.

Make sure if you do make it, you use the "extended" plans which Include a few extra pieces of wood on the inner structure.
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Last edited by TheTubeAmper; 24th February 2014 at 06:51 PM.
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Old 24th February 2014, 06:49 PM   #3
mortron is offline mortron  Canada
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I would say cheap and easy is open baffle, but I'm not so sure the bass would live up to their standards. Your suggestion of a FAST setup is likely to be a winner. Search for FAST in the forums. A full range and bass augmentation is essentially what it is. You could utilize something like one of the Fostex or Fountek 3" drivers in a small enclosure and build a sub using any assortment of drivers, and a design program. Or pick one that is proven, and easier to plan for. Planet 10 has some really interesting designs, and is a big proponent of FAST from what I can tell, hopefully Dave will chime in.
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Old 24th February 2014, 07:36 PM   #4
AuroraB is offline AuroraB  Norway
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Been there, done that, - and failed solidly in the first attempt! Far to linear and low F in the first attempt. They want big punch and slam from 50-80Hz.....
IIRC I ended up replacing the lovely and expensive Focal bass with a 15" Eminence - possibly a Kappa version........ don't remember...
If they need an amp for this, get a plate amp off Ebay or CL...
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Last edited by AuroraB; 24th February 2014 at 07:39 PM.
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Old 24th February 2014, 08:12 PM   #5
B00B00 is offline B00B00  Canada
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Yes, should've specified.. home use, medium sized room, I don't think open baffle will cut it. They want to feel their insides jiggled.
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Old 24th February 2014, 08:25 PM   #6
AuroraB is offline AuroraB  Norway
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Location: Norway, -north of the moral circle..
Then you may go for something smaller. like a 12" or something....
and forget about deep bass, - it's all about the slam......
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Old 24th February 2014, 08:30 PM   #7
sreten is offline sreten  United Kingdom
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Hi,

Being teens they don't know what they really want.

Party speakers that go very loud and not intended
to be used at home are PA speakers, and TBH
buying used is far more cost effective than DIY.

Home DIY speakers that can party, perhaps this :
https://sites.google.com/site/undefinition/tarkus
or
http://speakerdesignworks.com/NS6project_1.html

rgds, sreten.

Last edited by sreten; 24th February 2014 at 08:40 PM.
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Old 24th February 2014, 08:33 PM   #8
Cal Weldon is offline Cal Weldon  Canada
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Cheap, big bass, fun...
I would vote for an Eminence 15 like the Beta and an 8" FR like a McBride.

At Q Components, in Ontario, the Beta 15A woofer is $82 and they have a McBride 8LS822-14 8" FR for $12 ea. Very efficient drivers, - throw in a couple iron core chokes and and some electrolytic caps and you be well within budget.
Q-Components
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I've dealt with the many times and they have always been very patient with me.
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Old 24th February 2014, 08:53 PM   #9
abcdmku is offline abcdmku  United States
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Being that I am a teen, who build speakers for other teens, I can tell you most people my age don't know the least bit of sound quality. So that's a plus for keeping cost down. I would suggest the following:


($199)...1x iNuke1000DSP (from parts-express)
($20)....1x (2) 1/4" Speakon Cables 10Ft, 14GA
($90)....2x MCM 8'' Two Way (Sound is a little harsh, but the iNuke can EQ that)
($91)..1x 18" Subwoofer (see below)
($50)....1x MCM 18"
($20)....1x Sheet of 3/4 Particle board (Local hardware store)
($10)....1x Quart of Black paint (Local hardware store)
($1.5)...1x ABS Connector Dish for Two 1/4'' Jacks
($3).....2x 6.35mm Mono Jack
($5).....1x Box of 1 5/8" Screws (Local hardware store)
($1.5)...3x 16 AWG Red/Black Zip Speaker Wire (qt of 3 = 3ft)
Enter "GS401" for the coupon on MCM for free shipping over $100
Total: $400.


The 18" enclosure will be 23 3/4"x 23 3/4" x 23 3/4". Each port should be 11" deep. More than enough Bass for them, and an easy enclosure to build!
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Last edited by abcdmku; 24th February 2014 at 09:07 PM.
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Old 26th February 2014, 04:47 PM   #10
B00B00 is offline B00B00  Canada
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Great ideas guys, thank you... I'll submit them to the council and see what they think.
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