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Old 7th April 2010, 12:27 PM   #941
zrolsky is offline zrolsky
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and the giants PD 1850 (800w) and SD18 (1000)
SD18(gray) PD1850(black)
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Old 7th April 2010, 12:30 PM   #942
zrolsky is offline zrolsky
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SD18(gray) 650EL(black)
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Old 7th April 2010, 12:43 PM   #943
zrolsky is offline zrolsky
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one of our DIY midtops. inspired by line array concept. the line array guide published in P Audio website although not about butterfly design, is also helpful.

advantage- has wide coverage & directional, disadvantage-it became totally too bulky and sometimes hard to hit the right balance of the sound between the compression driver and the C12". we hope to have one speaker management audio processor soon. (any recommended brand aside from Driverack PA?)

drivers 1 pc BMD 750, and 2x C12" 300W (but then we run out of budget, so we inserted non P Audio drivers. )
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Old 7th April 2010, 01:05 PM   #944
amants is offline amants  Philippines
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Quote:
Originally Posted by dj_jojo_md View Post
@amants

AB-36C...looking for 18" stroker mechanical dimension no luck...i lost my copy.
So there is no way i can tell if the JH's and the PD's will fit in.
if ever they do fit in...they will perform very differently from the original.
it may surpass the original in terms of robustness due to JH186 have approx. 6" VC and PD1850 have approx. 5" VC...if memory serves me right CV stroker have a 3" VC which requires an adequate cooling system...correct me if i am wrong.

One thing i am sure of if ever they fit in...with the JH's and PD's you got more sensitivity, SPL and power compression is so so far away.(Block of 4 boxes)

i used to have CV's a long time ago...Junior earthquake L36JE and the Senior earthquake L48SE...i know how they perform. i still have those original plan.

If ever your going to try and pursue to do the driver mods...good luck.

have fun,
jojo
thank you sir jojo..have a nice day
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Old 7th April 2010, 02:15 PM   #945
Jef3 is offline Jef3  Philippines
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Quote:
Originally Posted by zrolsky View Post
and the giants PD 1850 (800w) and SD18 (1000)
SD18(gray) PD1850(black)
Thanks for sharing.

It seems that the Sd18 has a "wider" operating bandwith than the Pd1850. . .
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Old 7th April 2010, 03:26 PM   #946
urbanista is offline urbanista  Philippines
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Default Crown Amps

Which of these Crown amps can Drive 4 pcsof JH181 or jh186 ?
Cs1000
CA850

Crown - The Professional Choice

Thank you very much.
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Old 7th April 2010, 05:32 PM   #947
Jef3 is offline Jef3  Philippines
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Originally Posted by Jef3 View Post
Thanks for sharing.

It seems that the Sd18 has a "wider" operating bandwidth than the Pd1850. . .
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Old 7th April 2010, 09:38 PM   #948
dj_jojo_md is offline dj_jojo_md  Philippines
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@zrolsky...if i have the money these are the choices.

Dn9848e from Klark Teknik...no.1 choice
DP428 from XTA...no.2 choice
Driverack from DBX...no.3 choice
DCX2496 from Behringer...this is ok, not so pricey, lots of tools including long delays for delayed speaker reinforcement. I dont know if they are as durable vs. the 3 giants. So far 3 of my house of worship installs got these dcx2496 for delays...3 years only one break down PS failure...maybe because of the genset.

Kudos zrolsky for modest and honest sharing...keep it up.

have a nice day
jojo
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File Type: jpg xta.jpg (195.5 KB, 664 views)
File Type: jpg DCX2496_big.jpg (57.6 KB, 585 views)

Last edited by dj_jojo_md; 7th April 2010 at 09:48 PM.
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Old 7th April 2010, 10:15 PM   #949
dj_jojo_md is offline dj_jojo_md  Philippines
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@urbanista...

both of them will do...both can handle 2ohms loading...sub woofers are lo freq. radiators thus the lower the freq. the lower the impedance will go. Its good know that crown have a site that post their data...thanks for the link.

But you'll be better-off with the CS1000...got more juice and high damping factor.

thanks for the link again...helps me a lot since i am using a lot of crown products.

have a nice day
jojo
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Old 7th April 2010, 10:24 PM   #950
urbanista is offline urbanista  Philippines
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@ dj_jojo_md

Thank you sir for the advice.

jon
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