Now This is a sub! Bertha...W bin - Page 2

pgolde · 7th May 2011, 08:14 PM

@ m R g S r search him on prosoundweb.com he held a few sub shootouts, he was (is) a McCauley and a Bassmaxx dealer

Thawach · 13th May 2011, 06:09 AM

friends do u hv the plan on this pic? i like the butterfly boxes in red line. if i design by myself. i think about 2013 will finish. thanks for high in advince

epa · 13th May 2011, 03:16 PM

Quote:

Originally Posted by Thawach

friends do u hv the plan on this pic? i like the butterfly boxes in red line. if i design by myself. i think about 2013 will finish. thanks for high in advince

the are rear loaded low mids.
seems a bit odd to use rear loaded for lowmids.
i suggest to use fronloaded for lowmids.
imo

wg_ski · 13th May 2011, 04:07 PM

Quote:

Originally Posted by epa

the are rear loaded low mids.
seems a bit odd to use rear loaded for lowmids.
i suggest to use fronloaded for lowmids.
imo

They're doing that so the mid can cover an extended range - like the single-driver folks like to do for hi-fi. Front loaders will work better if you use a separate high and low mid (the low can be folded). This of course gets rid of all the phase cancellation problems you can get with rear loaders.

Thawach · 15th May 2011, 09:06 AM

ihv just known tu has many friends are betterLOL thx 4 2. i loved buffterfly bin because it was beautiful. ok if Flh is beter ill change to it. but see on Elephant mouth w-bin ok beautiful as the same but very big. and i'm afraid of the phase problem when use together with the other low bin.thx again

4pyros · 12th October 2011, 07:08 PM

I was looking for something like this last year before I made the Pyroboxs.

m R g S r · 12th October 2011, 07:15 PM

Ehh...they're not really portable at all. Pretty much install only. Would be a hugeee pain to move Around.

artscrafts14 · 26th June 2012, 09:12 PM

Hi. I have come across a huge original RLA Bertha subwoofer. Also there are 4 JBL 4550a's. They have JBL speakers model: 2225H. Consecutive serial numbers on the one I opened up. Putting up for sale/trade. My email is Ldawns@msn.com . Thanks

m R g S r · 26th June 2012, 10:07 PM

So it's just the Bertha without the mouth extension?

artscrafts14 · 27th June 2012, 01:01 AM

I just recently obtained these and am not knowledgeable about them, other than what I have researched. When you mentioned mouth extension, I looked up what it meant. That's how ignorant I am about these. But I did find there are a lot of "old school'ers" that prefer them. I see ads for the cabinets but without speakers. These all have speakers in them. They are JBL 2225H's. The one speaker I took the back off of had 2 with consecutive serial numbers. But I'm learning more every day.

15th May 2011, 09:06 AM	#15
Thawach diyAudio Member Join Date: Dec 2007	ihv just known tu has many friends are betterLOL thx 4 2. i loved buffterfly bin because it was beautiful. ok if Flh is beter ill change to it. but see on Elephant mouth w-bin ok beautiful as the same but very big. and i'm afraid of the phase problem when use together with the other low bin.thx again __________________ The Four Noble Truths & Mental Factors

26th June 2012, 09:12 PM	#18
artscrafts14 diyAudio Member Join Date: Jun 2012	Original RLA Bertha JBL4550A's all vintage loaded Hi. I have come across a huge original RLA Bertha subwoofer. Also there are 4 JBL 4550a's. They have JBL speakers model: 2225H. Consecutive serial numbers on the one I opened up. Putting up for sale/trade. My email is Ldawns@msn.com . Thanks

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7th May 2011, 08:14 PM	#11
pgolde diyAudio Member Join Date: Jun 2004 Location: RI	@ m R g S r search him on prosoundweb.com he held a few sub shootouts, he was (is) a McCauley and a Bassmaxx dealer

12th October 2011, 07:08 PM	#16
4pyros diyAudio Member Join Date: Nov 2010	I was looking for something like this last year before I made the Pyroboxs.

12th October 2011, 07:15 PM	#17
m R g S r diyAudio Member Join Date: Jan 2011	Ehh...they're not really portable at all. Pretty much install only. Would be a hugeee pain to move Around.

26th June 2012, 10:07 PM	#19
m R g S r diyAudio Member Join Date: Jan 2011	So it's just the Bertha without the mouth extension?

27th June 2012, 01:01 AM	#20
artscrafts14 diyAudio Member Join Date: Jun 2012	I just recently obtained these and am not knowledgeable about them, other than what I have researched. When you mentioned mouth extension, I looked up what it meant. That's how ignorant I am about these. But I did find there are a lot of "old school'ers" that prefer them. I see ads for the cabinets but without speakers. These all have speakers in them. They are JBL 2225H's. The one speaker I took the back off of had 2 with consecutive serial numbers. But I'm learning more every day.