• Check out the Annual AK Secret Santa exchange Program, signup before November 23rd in the AK Charities & Christmas forum!

Open Baffle Epiphany!

I did
bimasta said:
This question may have been answered many times already, but I haven't read the entire thread — 1,700 posts!

I have a very clean pair of Electro Voice 12-TRXB's: 12" woofer, center-mounted horn tweeter, and a whizzer. I've had them for years, never used them.

Have any of you used them in an open-baffle design? Or have an informed opinion of their suitability?
Click to expand...
I didnt find anything in this thread but there is quite a bit in the DIY forum and some others too.

This was a cool site.

http://jelabsarch.blogspot.com/2012/06/open-baffle.html
 
bigaltx24 said:
The Bozaks are real nice, I would look at doing the Tobin mod on the xovers.

https://audiophile-musings.blogspot.com/2013/06/bozak-rebuild-project-part-9.html

This is long, but also very good info.

http://forums.stevehoffman.tv/threa...02a-urban-speakers-definitely-worth-it.75950/
Click to expand...
Hello Big Al,

Do the crossover mods apply to the Open baffle use of the drivers? I am using the later N-10102a crossover. I checked the metal foil caps and they were within 2% of stated value. (I wish the electrolytics in my old amps did that!)

I did take a bit of the info from those threads and separated the tweeters from the woofers. I also swapped the phase of the mid-range connection.

I am thinking that Lpads for the tweeter array and the mids will be a good thing. The woofer kicks in at higher volume levels but then the mids and tweets are too loud.

Thank you!
MIchael
 
Your driver complement sounds like a Bozak 302A. I've heard the 302As and agree with both posts, the crossover points of 800 and 2500 really constrict the mids. That's not something that will change by going from a box to an open baffle.
 
mkane said:
Thought's on Audio Nirvana Super 15 Alinco's. Will these work by themselves in an OB?
Click to expand...

They'll work on wide folding baffles but you can do better for far less money. I believe "Glow in the Dark" had them but can't find his reference. I'd bet he prefers the Zenith 49's.
 
kevin davis, the glow in the dark guy, is local to me. i've heard his AN 15" in open baffles with folding wings. no bass assist needed in what was a fairly small listening room (he has since moved and i've not heard his current rig).
 
Your saying I should shop around a bit more. I don't want to do the same thing I did with tube amps. I now have 5 amps here. They're all very nice but speakers take up a bit more room. Mabey I should start with Betsy's or something similar.
 
Betsy's and run a sub. Or the AN15 and maybe not need the sub. The Betsy's can have a smaller baffle if a sub is used. The AN15 and large baffle would make the grand statement. Good luck.
 
rogerfederer said:
kevin davis, the glow in the dark guy, is local to me. i've heard his AN 15" in open baffles with folding wings. no bass assist needed in what was a fairly small listening room (he has since moved and i've not heard his current rig).
Click to expand...

I'm pretty sure he had those AN 15's on his blog awhile back but not anymore. He made some comments earlier in this thread about them or was it the Zeniths?
 
On page 9 of this thread. In between a bathroom remodel for my wife and OBE this may take a while. A quick question. Will a Mac 275 be enough to drive Alpha 15a's?
 
I think the Alphas will sound good with 50 watts. I use a 100 watt plate amp on two in parallel and it's almost overkill. I ordered a TPA3116 mono sub amp which has a built in crossover which I plan to try with the Alphas. I'll post the results when I get it.
 
And could you give me a hand getting this hooked up. The 275 on the 15's and a SET on the other driver. I suppose I need some kind of crossover
 
You must log in or register to reply here.
Back
Top Bottom