I have seen this princip before:OB and bass reflex,as DIY.Can't remember where.
Bernt
Found it:http://www.audiocircle.com/index.php?PHPSESSID=u45q50gkn8rv6p3ift8a9v8kfvpoga90&topic=105895.0
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Has this been posted here? An OB array...
An externally hosted image should be here but it was not working when we last tested it.
Isn't it a slot for loading, i.e. Increasing system q thereby redusing need for eq? (And not bassreflex port)
I do not know the princip,but if it is a slot loading , this one looks very nice too mee.
Bernt.
My emerald physics cs2 clone.
With passive filter and mid correction. Active bass correction with Rechhorn B1.
With passive filter and mid correction. Active bass correction with Rechhorn B1.
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
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Other than suffering a broken neck from trying to view the picture, that looks like a well done project!
Best Regards,
TerryO
At least I'm not the only one... mine never show right side up eother.
Nice work though. Would love to hear the CD/15" combo.
I realize this. I had an issue with an ad I posted. The photos show very much upright but for whatever reason the images posted sideways. I tried and retried before finally giving up. Oddly enough when I first got this ipad, safari wouldn't allow me to post attachments at all on some forum boards.
A thing of beauty!
thanks!
it was my first try at veneering so i'm glad things turned out as well as they did
added some grilles today
yep. it took quite a while as there was 28 different "sides" per speaker to veneer, and lots of corners to sand
i used paper backed veneer and the PVAc/iron method.
tweeters are RAAL 140-15d dipole-AM with the autotech SEOS waveguide, mid is a jantzen ja8008 and woofers are Seas L26ROY.
the crossover is not optimal, and perfecting it is next on my to do list.
i just have to read up a bit of passive XO theory
right now the bass and woofers are actively crossed at 240hz LR46 and M-T crossed passively at 2500hz LR24.
i havent measured the speakers with the finished cabinet yet, but i did a quick 0-70 degree measurement of the prototype in my livingroom before commiting to the final design.
the mic was placed 80cm away from the speaker, aimed between the mid and tweeter.
as you can see, it still needs some work, but i like the sound so far.
yep. it took quite a while as there was 28 different "sides" per speaker to veneer, and lots of corners to sand
i used paper backed veneer and the PVAc/iron method.
tweeters are RAAL 140-15d dipole-AM with the autotech SEOS waveguide, mid is a jantzen ja8008 and woofers are Seas L26ROY.
the crossover is not optimal, and perfecting it is next on my to do list.
i just have to read up a bit of passive XO theory
right now the bass and woofers are actively crossed at 240hz LR46 and M-T crossed passively at 2500hz LR24.
i havent measured the speakers with the finished cabinet yet, but i did a quick 0-70 degree measurement of the prototype in my livingroom before commiting to the final design.
the mic was placed 80cm away from the speaker, aimed between the mid and tweeter.
as you can see, it still needs some work, but i like the sound so far.
LR46 on the woofers and bass? :O
If it becomes an issue you can always go the hybrid route, you have consistent dispersion so global EQ would solve most of your issues.