my two channel build..for critical listen..and home theater.. - AVS Forum
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post #1 of 83 Old 03-30-2013, 08:31 AM - Thread Starter
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hey guys..well though ..i might post pics..of the build..just got done ...
















loves...home theather/music/football:)
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post #2 of 83 Old 03-30-2013, 10:23 AM
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Cool man. Any details on the build, drivers, crossover?
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post #3 of 83 Old 03-30-2013, 10:27 AM
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Yup, and why aren't thin towers more popular? I only see builds with the seos waveguide.
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post #4 of 83 Old 03-30-2013, 10:59 AM
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The finish is pretty loud, but it works great with all the colors in the room. Cool house!
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post #5 of 83 Old 03-30-2013, 12:14 PM - Thread Starter
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Originally Posted by Jay1 View Post

Cool man. Any details on the build, drivers, crossover?
lol.. i knew it was coming ..haha ..well the drive units are 6 1/2 '' (3).. 1'' slik done from bmb..crossovers are 3 way xover @Crossover frequencies: 500 Hz / 3.5 kHz
Crossover slopes: 12 dB/octave LP, 6 dB/octave MP, 18 dB/octave. 200w the enclose..is tune to 32HZ..2'' FLARED port ..12'' long ..40x8x11
build time ..about 5 days..in the evening ..
the sound is detailed..nice low end..and punchy ..this may sound funny to some ..but its IMO they sound very good on jazz ...

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post #6 of 83 Old 03-30-2013, 12:16 PM - Thread Starter
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Originally Posted by steve71 View Post

The finish is pretty loud, but it works great with all the colors in the room. Cool house!
..am yeah i think so to..but its what i had @ my disposal..red oak..lol

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post #7 of 83 Old 03-30-2013, 12:18 PM - Thread Starter
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Originally Posted by tential View Post

Yup, and why aren't thin towers more popular? I only see builds with the seos waveguide.
you are so right ..i thought the same thing ...they only take up 1 sq foot of space..sweet:D

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post #8 of 83 Old 03-30-2013, 12:24 PM
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Originally Posted by pioneertop View Post

you are so right ..i thought the same thing ...they only take up 1 sq foot of space..sweet:D
I just don't find fat towers aesthetic at all. The largest I'd go is 8 inch woofers. I like the polk designs a lot and if I built something it would probably model an rti 12 build.
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post #9 of 83 Old 03-30-2013, 12:37 PM
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Originally Posted by tential View Post

Yup, and why aren't thin towers more popular? I only see builds with the seos waveguide.

Thin towers mean no waveguides and the majority of folks want maximum SPL for uncompressed dynamic swings from 0db to reference and beyond. Folks on here don't like dome or ribbon tweeters because they will compress and distort at 105db at the listening position.

YID DIY
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post #10 of 83 Old 03-30-2013, 01:00 PM - Thread Starter
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Originally Posted by tential View Post

I just don't find fat towers aesthetic at all. The largest I'd go is 8 inch woofers. I like the polk designs a lot and if I built something it would probably model an rti 12 build.
i see what you mean... ur right ..the thing to beware of is price ...a build like that could cost a pretty pen.. my budget..was $600.00 i just went over by a few dollars ...

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post #11 of 83 Old 03-30-2013, 02:07 PM
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Originally Posted by Looneybomber View Post

Thin towers mean no waveguides and the majority of folks want maximum SPL for uncompressed dynamic swings from 0db to reference and beyond. Folks on here don't like dome or ribbon tweeters because they will compress and distort at 105db at the listening position.

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i see what you mean... ur right ..the thing to beware of is price ...a build like that could cost a pretty pen.. my budget..was $600.00 i just went over by a few dollars ...
I couldn't double up on tweeters or something? I've read problems with this though. I really dunno and the faqs are extremely confusing.

There aren't smaller waveguides? The size is such a turn off to me. It wouldn't even fit in in my room right now(small room). I just need a way to way to have aesthetic speakers lol.

Why did the build cost 600.is that including the amplifier?
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post #12 of 83 Old 03-30-2013, 02:19 PM
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Sure if you're actually using your speakers for ridiculously high SPL then a CD setup is required, but the need for one in HT and home stereo applications is completely over blown around these parts rolleyes.gif

There are smaller horn setups like the B&C ME10, which require crossing to a smaller driver higher up. No 1khz with that little guy.
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post #13 of 83 Old 03-30-2013, 02:20 PM
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Quote:
Originally Posted by Looneybomber View Post

Quote:
Originally Posted by tential View Post

Yup, and why aren't thin towers more popular? I only see builds with the seos waveguide.

Thin towers mean no waveguides and the majority of folks want maximum SPL for uncompressed dynamic swings from 0db to reference and beyond. Folks on here don't like dome or ribbon tweeters because they will compress and distort at 105db at the listening position.

Pretty broad generalizations. Lets just say that is often the case, and using well designed waveguides makes it easier to hit spl and dispersion goals.

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post #14 of 83 Old 03-30-2013, 02:26 PM - Thread Starter
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Originally Posted by tential View Post


I couldn't double up on tweeters or something? I've read problems with this though. I really dunno and the faqs are extremely confusing.

There aren't smaller waveguides? The size is such a turn off to me. It wouldn't even fit in in my room right now(small room). I just need a way to way to have aesthetic speakers lol.

Why did the build cost 600.is that including the amplifier?
lol..no the $600 + dollars budget is just for drivers and xovers ...and accessories..like binding post /ports gule...ect..

i read some where that they are problems with double tweeters..and i have not seen small wave guides either ..but you can build a small two way system that will sound awesome...and look good to..

i will do a video..on youtube soon ..you willl here a bit of the towers there ..i'll send the link..

loves...home theather/music/football:)
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post #15 of 83 Old 03-30-2013, 02:45 PM - Thread Starter
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pictures of the components ..








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post #16 of 83 Old 03-30-2013, 03:44 PM
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How many hours did it take you to build them? I like the nice tidy speaker cables.
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post #17 of 83 Old 03-30-2013, 03:55 PM
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Ya its going to be a big learning experience doing speakers. I listen to mostly music so having it hit spl targets is my goal.
My biggest concern with waveguides is the fact that if I ever used one, I'm basically saying I need a wide as hell tower. I just don't think I could do it, but when you say other tweeters have a harder time hitting spl targets its hard to not want to figure out a way to make it work.
I just wish I saw more slim aesthetic towers. Waf friendly towers I guess people would say on here. I also wish my current speakers had working tweeters but that's a whole other matter haha.
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post #18 of 83 Old 03-30-2013, 03:59 PM
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Very nice looking set up! I like the finish on the cabs and it really adds a nice touch to the overall set up.

Al
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post #19 of 83 Old 03-30-2013, 04:17 PM - Thread Starter
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Originally Posted by steve71 View Post

How many hours did it take you to build them? I like the nice tidy speaker cables.
hey steve ..lol am steve to thanks.. am it took about 1 week.. with about 4 hours of work per day..

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post #20 of 83 Old 03-30-2013, 04:18 PM - Thread Starter
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Very nice looking set up! I like the finish on the cabs and it really adds a nice touch to the overall set up.

Al
thanks al ..really app..

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post #21 of 83 Old 03-31-2013, 08:00 AM
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What brand and model are those drivers?

What are the cabinets made out of?

Did you use MDF then go over that with real wood veneer?

How did you get that killer finish?
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post #22 of 83 Old 03-31-2013, 08:33 AM - Thread Starter
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What brand and model are those drivers?

What are the cabinets made out of?

Did you use MDF then go over that with real wood veneer?

How did you get that killer finish?
hey marty..thanks

am the drivers are ..bmb..out of japan..6/12 '' made of kevler and paper plop..very stiff ..with phase plugs..the tweeters are bmb 1'' slik dome..
now the cabinets ..are a bit over built..but thats what i wanted ..3/4'' MDF INLAY 3/4'' wood pine..for the look i wanted ..
red oak stain.with Satan..poly..the xovers are 3/way ..with the high and mid enclose sealed ..2'' flared port ..tuned to 32HZ ..

by the way ..they sound amazing ..they blew my expectation.away...biggrin.gif a build is well worth the effort ...not to mention the money i saved ..from you know the high priced brands..no name calling..

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post #23 of 83 Old 04-01-2013, 07:43 AM - Thread Starter
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the video..: http://youtu.be/RHmyl32SeJ4

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post #24 of 83 Old 04-01-2013, 07:55 AM
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Are those MBQ XO's from an old set of their "Q" Speakers? I used to have them in my car. It should be noted that those drivers, if any of their parameters are different from the "Q" drivers, will require adjustments to the XO's. Did you make any changes to them? Should you want to take it a step further, a custom built XO would be a very logical and not crazy expensive step to take!

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post #25 of 83 Old 04-01-2013, 08:01 AM - Thread Starter
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Are those MBQ XO's from an old set of their "Q" Speakers? I used to have them in my car. It should be noted that those drivers, if any of their parameters are different from the "Q" drivers, will require adjustments to the XO's. Did you make any changes to them? Should you want to take it a step further, a custom built XO would be a very logical and not crazy expensive step to take!
..hey yes i did makes some ...and they sound very good the slopes are where i like it..and they handle..lots of power ..well ...set them on 0bd..settings..

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post #26 of 83 Old 04-01-2013, 12:51 PM
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post #27 of 83 Old 04-01-2013, 12:56 PM
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There are small waveguides like the EOS 6 and EOS 8.
http://www.diysoundgroup.com/waveguides.html

Why are those so much cheaper than the other wave guides and why do people not use these over traditional dome tweeters, including OP? Sorry if I'm thread highjacking, just trying to understand why most people don't go with builds similar to the OPs, which is the traditional tower I see for sale just about everywhere.
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post #28 of 83 Old 04-01-2013, 12:58 PM - Thread Starter
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There are small waveguides like the EOS 6 and EOS 8.
http://www.diysoundgroup.com/waveguides.html
wow just saw it the EOS6 looks sweet ....now you got me thinking ...lol

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post #29 of 83 Old 04-01-2013, 01:21 PM
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Originally Posted by tential View Post

Why are those so much cheaper than the other wave guides

My guess would be that they are cheaper to produce because it uses less plastic than the bigger waveguides.

 

 

Quote:
why do people not use these over traditional dome tweeters, including OP?

Not a lot of people know about these waveguides but EricH is trying to spread the word, trying to get them to be popular with his low cost speaker kits and flat packs.

 

 

Quote:
just trying to understand why most people don't go with builds similar to the OPs, which is the traditional tower I see for sale just about everywhere.


I think most people here at AVS are into home theater. They want a speaker that has high sensitivity to reach reference (0db) with ease. Only way to do that is a with multiple small high sensitivity drivers or one high sensitivity driver that is 10-15". I think the other problem with a tower design is the way the speakers are lined up. Something to do with the center-to-center distance from the tweeter. I don't know much about speaker building so someone else will need to explain it better.

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post #30 of 83 Old 04-01-2013, 01:33 PM
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Originally Posted by pioneertop View Post

wow just saw it the EOS6 looks sweet ....now you got me thinking ...lol
So much for asking you why you didn't pick that lol. EOS8 is only a dollar more too.
Quote:
Originally Posted by Mrkazador View Post

My guess would be that they are cheaper to produce because it uses less plastic than the bigger waveguides.


Not a lot of people know about these waveguides but EricH is trying to spread the word, trying to get them to be popular with his low cost speaker kits and flat packs.




I think most people here at AVS are into home theater. They want a speaker that has high sensitivity to reach reference (0db) with ease. Only way to do that is a with multiple small high sensitivity drivers or one high sensitivity driver that is 10-15". I think the other problem with a tower design is the way the speakers are lined up. Something to do with the center-to-center distance from the tweeter. I don't know much about speaker building so someone else will need to explain it better.

It seems interesting to build one and for only probably 500 dollars I could get a pair that would trash my Polk Monitor 70 Series 2 (And I wouldn't have to wait for these god forsaken replacement tweeters), but I love having a tower. I wouldn't even know what to do if I got these speakers built. But for DIY it seems it's either this, or venture off into designing my own and I highly doubt I could do that lol. I hope he makes a tower build soon that uses multiple drivers or just a tower version of these speakers. It'd be extremely heavy though I guess if it was a tower version with 12 or 15 inch drivers lol.
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