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Multi-Way Conventional loudspeakers with crossovers

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Old 23rd November 2008, 06:11 AM   #1
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Default 3 years worth of DIY Madness (somebody Help me)

All righty now.

This thread will probably blow up all of your computers with the sheer volume of photos, but I just wanted to post my last 3 years of Sheer DIY insanity.

I will start with my first cab ever.

I Dub it the BS-212
I designed it because after much modeling and product reviews I realized most speakers manufacturers had some real ludicrous sub bass specs.

I wanted to build something that could really deliver Sub Bass. After I spent many months modeling Drivers. I found that I could make a fairly Cost effective relatively small, relatively high output vented subwoofer using 4 eminence lab12's. Relatively Small being 12cu' (But conveniently I could make 2 6cu' cabs.

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Some time after building these I get myself an awesome little red 84 Toyota Celica.

It took me all of 2 minutes to become completely Driven Insane by the 3" in dash speakers. I spent a few hours trying to figure out if I could fit something better in the cramped Dash board. Gave up on that and started Staring at the "Oh S*!@" handles in the back seat I figured there has to be someway I can hang something from there.

Any how I ended up with this

Used PVC Pipe
Some old Seas 4.5" polycone, and a
Focal Titanium Trioxide Tweeter.

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And I made a little sealed sub with an old JBL120A out of some Jubles.

My next Box I made was a Sealed sub for my friend. Its a .707Q linkwitz Transform

Using a pair of Lab 12's again.

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At Some Point I started Working on my Good Polar Response 3 way PA using

1 RCF 15
4 SES 5.5 inch drivers
and a B&C DE-250 on a DDS CD-100 horn

I call it the barfly but only tested and played with it a little.

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Around the Same Time I started my 3 Way

Home Stereo, that was supposed to be able to do Full scale headroom in a home environment.

I used
a couple of peerless 8"s
a Seas 5.5"
and a Vifa DX tweeter

These can do Theoretically 110dB at 1M from 80Hz-20kHz

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Sweep with and without Fiber Glass Tweeter Damper (diffraction eradicator)

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My Tapped Horn:

This was my attempt at playing with Danley's DTS-20 External dimmensions and seeing how close I could get in performance

I used Akabak for my initial cabinet modeling Seemed almost right.

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Somewheres I decided to build some new boxes for my JBL 2225s

And try and add some sparkle to the dull top end of my JBL2245 horns by adding some Old JBL 077's to the top.

Madness

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And that leaves us at the "Hi-Fi" Bass rig /awsome sealed sub

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Its been a crazy 3 years I have no Idea where I found the time.

Any questions, comments, threats welcome.

Antone!
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Old 23rd November 2008, 06:32 AM   #2
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Impessive,,, are you going to post some construction details & plans?

dave
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Old 23rd November 2008, 06:36 AM   #3
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OK I am officially jealous and my partner just said "NO"
It's addictive aint it!!
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Old 23rd November 2008, 06:40 AM   #4
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Quote:
Originally posted by planet10
Impessive,,, are you going to post some construction details & plans?

dave
The BS-212 I have Posted .dwgs on Pro Sound Web.

I had a laptop stolen and lost the .dwg's for the Bar Flay and the 3 way Home stereo. (Funny story Reported Serial number to police and got it back 6 months later found in meth lab but wiped with a fake cop of Vista)

That Tapped Horn I can post the Dimensions (and Have already in the Colaborative Tapped Horn section)

The Bass rig I'll keep to myself for now, though its nothing special.

I probably have the specifics of the Tube somewhere, but would have to dig it up.

I used Harris Tech Bass Box Pro for most of the enclosure modeling, and auto cad for the cabinet design.

I may have the Cad photos somewhere for the Dual Sealed Sub (It was built to house the Dayton 1kW plate amp, so Some internal dimensions would need to change if you didn't want to use that amp.

Antone-
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Old 23rd November 2008, 06:07 PM   #5
Pano is offline Pano  United States
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Default Re: 3 years worth of DIY Madness (somebody Help me)

Quote:
Originally posted by sumsound
[B]This thread will probably blow up all of your computers with the sheer volume of photos,/B]
Not bad, actually. Considering the size and number - Photobucket must be running fast these days.

Well I can see someone likes low bass and cotton batting insulation. What's the 5th string on a bass tuned to? Low B?

Impressive work. Don't know how you found the time, either - but it looks like you had fun! Thanks for sharing.
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Old 23rd November 2008, 08:56 PM   #6
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Default Re: Re: 3 years worth of DIY Madness (somebody Help me)

Quote:
Originally posted by panomaniac


Not bad, actually. Considering the size and number - Photobucket must be running fast these days.

Well I can see someone likes low bass and cotton batting insulation. What's the 5th string on a bass tuned to? Low B?

Impressive work. Don't know how you found the time, either - but it looks like you had fun! Thanks for sharing.
Its actually Burber Carpet Padding (a byproduct of the matress industry).

The purple cabinets I was working on while having a full time Job, and the shop is 50miles south of the Golden Gate Bridge where I work.

Any of you who know the commute know the horror.

I spent many a night doing wood work until 3am+ than turning around and going right back to work.

Awsome!!
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Old 23rd November 2008, 09:09 PM   #7
DaveCan is offline DaveCan  Canada
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I noticed there was a camera set up to record the band? How bout a vid of all the gear in action or a crazy bass solo

Here's my uncles site, also a fellow bass player http://members.shaw.ca/briannewcombe/
http://www.myspace.com/briannewcombe


Dave
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Old 23rd November 2008, 09:39 PM   #8
DaveCan is offline DaveCan  Canada
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Default Re: Re: 3 years worth of DIY Madness (somebody Help me)

Quote:
Originally posted by panomaniac


What's the 5th string on a bass tuned to? Low B?

A fifth string provides a greater lower range if a low B is used , or a greater upper range if a high C string is added than a four string ,and gives access to more notes for any given hand position.

Dave
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Old 23rd November 2008, 11:16 PM   #9
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Default Re: Re: Re: 3 years worth of DIY Madness (somebody Help me)

Quote:
Originally posted by DaveCan
I noticed there was a camera set up to record the band? How bout a vid of all the gear in action or a crazy bass solo

Here's my uncles site, also a fellow bass player http://members.shaw.ca/briannewcombe/
http://www.myspace.com/briannewcombe


Dave

Quote:
Originally posted by DaveCan



A fifth string provides a greater lower range if a low B is used , or a greater upper range if a high C string is added than a four string ,and gives access to more notes for any given hand position.

Dave

I took some cheesy recordings on my camera of My friend playing through just the purple tops. But I didn't get their in time to get his Solos.

Somewhere I have a recording of me playing through the BS-212 maybe I'll post those.

I actually Tune the instrument down a whole step so its Tunned A to A

27.5Hz Fundamental (well at least a good amount of 55Hz 2nd harmonic)

Antone-
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Old 23rd November 2008, 11:40 PM   #10
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Quote:
Originally posted by DaveCan

Here's my uncles site, also a fellow bass player http://members.shaw.ca/briannewcombe/
http://www.myspace.com/briannewcombe

Dave
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