Elder Audio Beta3 Amps

Is this amp OK?
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Grant Bunter
Posts: 6915
Joined: Mon Nov 28, 2011 11:12 am
Location: Ilfracombe Queensland Australia
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Re: Elder Audio Beta3 Amps

#16 Post by Grant Bunter »

Caveat:
Cross your subs higher than 100Hz if the rest of the system doesn't keep up.

One of the main advantages of crossing 100Hz and below is that the sub cabs become omnidirectional. So you can run a stack of subs in the corner and it doesn't appear that's where your LF is coming from...
Built:
DR 250: x 2 melded array, 2x CD horn, March 2012 plans.
T39's: 4 x 20" KL3010LF , 2 x 28" 3012LF.
WH8: x 6 with melded array wired series/parallel.
Bunter's Audio and Lighting "like"s would be most appreciated...

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Bas Gooiker
Posts: 752
Joined: Fri Jul 06, 2012 5:05 pm

Re: Elder Audio Beta3 Amps

#17 Post by Bas Gooiker »

Armchair Pirate wrote:Really? Duel 12" T60 cabs no higher then 100hz? there is so much life between 100-160 hz though....* I do mostly EDM music.
You can run BR boxes way over 100 to cover low mid, but folded horns tend to sound "honky" when played higher. A good bandpass horn design with a single fold like the http://hornplans.free.fr/turbo_bph238.html will kick like a mule and cover 70-180 nicely.
Life is just a game, don't take it to seriously!

sine143
Posts: 3066
Joined: Sat Feb 06, 2010 3:27 pm
Location: Raleigh NC

Re: Elder Audio Beta3 Amps

#18 Post by sine143 »

there may be a lot of life above 100, but your tops should still be capable of covering it, not your subs. 24 db slope at 27 to 30 hipass, or 48 at 25. no higher than 24 db slope on the lopass imo.

just because there is output up above 100 hz doesnt mean its a good idea to use it. since it IS a range that tops can cover, its best to dedicate your massive sub boxes to.... well, sub bass. asking them to produce 4 full octaves is pushing it imo.
Built:
2x Tuba 30s delta12lf loaded (gone)
4x Otop12 d2512 loaded
8x t48s (18, 18, 24, 24, 30, 30) 3015lf loaded
2x AT (1 mcm, 1 gto 804)
2x SLA Pro (dayton pa6, 6 goldwood piezo loaded)
1x bastard XF208

2x OT212 (delta pro 450a loaded, eminence psd)

Armchair Pirate
Posts: 60
Joined: Wed Jun 29, 2011 11:53 am

Re: Elder Audio Beta3 Amps

#19 Post by Armchair Pirate »

Thank you everyone, this has all been great information and I will be doing some more testing and experimenting once my boxes are working again.
Built so far
4x Duel Lab 12 T60 30"

Next
2x DR280
2x D12 T60

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