the best diy speakers for $3000!

legendaryfrog · 15th December 2006, 10:28 PM

hi everyone. after my dad's boss heard my beolab 5 clones, he asked me to build him some speakers for his bedroom. a negotiable budget of $3000 for a pair has been established, but im havin trouble selecting the drivers.

im thinking about 2 of these (per speaker) as the bass:

http://www.partsexpress.com/pe/showd...number=297-568

Im not sure about the tweet, (supertweet, if needed), and the mid-bass.

any opinions?

Tenson · 15th December 2006, 10:44 PM

Do you need to make the speakers for more like $1500 so you have some profit? Or is that $3000 just for the parts?

Does it have to be small? I'd be tempted to go for a 8" or 10" pro audio woofer as they are usually extremely good, but do need bigger enclosures.

tinitus · 15th December 2006, 10:46 PM

Its more of a midrange, I think - a 6" driver with 94db ? , IF thats true, dont expect it to make much bass

legendaryfrog · 15th December 2006, 11:15 PM

i just called him up and he's fine with large speakers, with the max. driver size bing 8 inches.

do you know of any pro 8"s?

and its 3000 for parts. im being payed 4 grand for makin them. IE 1000 profit

arjscott · 15th December 2006, 11:28 PM

Do you have any pictures and design specs for your Belolab 5 clones? I'm really interested.

Andrew.

gaborbela · 15th December 2006, 11:39 PM

HI
Try Seas Excel W22 . A pair of that for one chanel it would be very good .
Regards

tinitus · 16th December 2006, 12:16 AM

With all that money, ... I would advice to build something well measured by an experienced man, and build that

http://www.troelsgravesen.dk/Diy_Lou...r_Projects.htm

At the moment I would use a 12" Beyma 12B100/R

with this mid

http://www.tb-speaker.com/detail/1230_04/w4-1129c.htm

And a ribbon on top

joe carrow · 16th December 2006, 12:20 AM

Hold on! In the last 5 weeks you've built a set of speakers from scratch that were good enough that someone wants to pay you $4k for you to build them something? We want some pictures! What did you finally settle on for the design?

tinitus · 16th December 2006, 12:59 AM

Your biography says 12yars and going to highscool... or am I missing something ?

I guess your dads boss is a nice man, and rich

But fore bedroom .... I would say double CSS WR125st with a small ribbon

And two subs with double Adire Exstremis with plateamps

Nice and easy... to fall asleep with, or whatever he.....

Tenson · 16th December 2006, 01:57 AM

Yeah I was not going to say anything, but are you sure you are so confident in your skills you will accept $4,000 for them?

While I like pro drivers the smaller ones seem to have nasty peaks around 2.5KHz which would make them a bit tricky to use in a 2-way. A 3-way is a bit tricky also simply because there is more to go wrong.

As such, I would use the AudioTechnology C-Quenze 18 H 52 in a ported slim profile cabinet. Use a 2nd order lowpass at 2KHz. Calculate the baffle step compensation needed for the baffle size and apply that. Then get the Hi-Vi RT8II tweeters and give it a 2nd order highpass at 2KHz.

I might even get another C-Quenze 18 H 52 for each speaker and make it a MTM or TMM design for more bass dynamics, shouldn't have too many problems doing that with a 2KHz Xover point as long as you keep all the drivers near each other. Might need too much cabinet volume though.

The Hi-Vi planar-mag tweeters are some of the very best measuring tweeters I have ever come across. The AudioTechnology, while not the best measuring drivers do sound great and lots of people like them. They Should also be easy enough to work with and give you a 'state of the art' speaker.

15th December 2006, 10:28 PM	#1
legendaryfrog diyAudio Member Join Date: Oct 2006	the best diy speakers for $3000! hi everyone. after my dad's boss heard my beolab 5 clones, he asked me to build him some speakers for his bedroom. a negotiable budget of $3000 for a pair has been established, but im havin trouble selecting the drivers. im thinking about 2 of these (per speaker) as the bass: http://www.partsexpress.com/pe/showd...number=297-568 Im not sure about the tweet, (supertweet, if needed), and the mid-bass. any opinions?

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15th December 2006, 10:44 PM	#2
Tenson diyAudio Member Join Date: Feb 2006 Location: Kent	Do you need to make the speakers for more like $1500 so you have some profit? Or is that $3000 just for the parts? Does it have to be small? I'd be tempted to go for a 8" or 10" pro audio woofer as they are usually extremely good, but do need bigger enclosures.

15th December 2006, 10:46 PM	#3
tinitus diyAudio Moderator Join Date: Nov 2005	Its more of a midrange, I think - a 6" driver with 94db ? , IF thats true, dont expect it to make much bass

15th December 2006, 11:15 PM	#4
legendaryfrog diyAudio Member Join Date: Oct 2006	i just called him up and he's fine with large speakers, with the max. driver size bing 8 inches. do you know of any pro 8"s? and its 3000 for parts. im being payed 4 grand for makin them. IE 1000 profit

15th December 2006, 11:28 PM	#5
arjscott diyAudio Member Join Date: Apr 2006 Location: NZ	Do you have any pictures and design specs for your Belolab 5 clones? I'm really interested. Andrew.

15th December 2006, 11:39 PM	#6
gaborbela diyAudio Member Join Date: Sep 2005	HI Try Seas Excel W22 . A pair of that for one chanel it would be very good . Regards

16th December 2006, 12:16 AM	#7
tinitus diyAudio Moderator Join Date: Nov 2005	With all that money, ... I would advice to build something well measured by an experienced man, and build that http://www.troelsgravesen.dk/Diy_Lou...r_Projects.htm At the moment I would use a 12" Beyma 12B100/R with this mid http://www.tb-speaker.com/detail/1230_04/w4-1129c.htm And a ribbon on top

16th December 2006, 12:20 AM	#8
joe carrow diyAudio Member Join Date: May 2004 Location: San Francisco	Hold on! In the last 5 weeks you've built a set of speakers from scratch that were good enough that someone wants to pay you $4k for you to build them something? We want some pictures! What did you finally settle on for the design?

16th December 2006, 12:59 AM	#9
tinitus diyAudio Moderator Join Date: Nov 2005	Your biography says 12yars and going to highscool... or am I missing something ? I guess your dads boss is a nice man, and rich But fore bedroom .... I would say double CSS WR125st with a small ribbon And two subs with double Adire Exstremis with plateamps Nice and easy... to fall asleep with, or whatever he.....

16th December 2006, 01:57 AM	#10
Tenson diyAudio Member Join Date: Feb 2006 Location: Kent	Yeah I was not going to say anything, but are you sure you are so confident in your skills you will accept $4,000 for them? While I like pro drivers the smaller ones seem to have nasty peaks around 2.5KHz which would make them a bit tricky to use in a 2-way. A 3-way is a bit tricky also simply because there is more to go wrong. As such, I would use the AudioTechnology C-Quenze 18 H 52 in a ported slim profile cabinet. Use a 2nd order lowpass at 2KHz. Calculate the baffle step compensation needed for the baffle size and apply that. Then get the Hi-Vi RT8II tweeters and give it a 2nd order highpass at 2KHz. I might even get another C-Quenze 18 H 52 for each speaker and make it a MTM or TMM design for more bass dynamics, shouldn't have too many problems doing that with a 2KHz Xover point as long as you keep all the drivers near each other. Might need too much cabinet volume though. The Hi-Vi planar-mag tweeters are some of the very best measuring tweeters I have ever come across. The AudioTechnology, while not the best measuring drivers do sound great and lots of people like them. They Should also be easy enough to work with and give you a 'state of the art' speaker.