10" to 3khz- need some help

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13 years 10 months ago - 13 years 10 months ago #10904 by MAutopsy
10" to 3khz- need some help was created by MAutopsy
hey guys, got some of these cabs laying around. have found out the low end is based on an ev tl5050. i need help getting the mids to reach a 1" CD. everything i try to sim drops off well before then.
Thoughts and suggestions.

Horn dimensions are as follws
S1- 155
S2- 655.75
con- 25.4
S3-1651.2
con-20.5
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Last edit: 13 years 10 months ago by MAutopsy.

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13 years 10 months ago #10905 by bee

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13 years 10 months ago #10907 by saul
Replied by saul on topic 10" to 3khz- need some help
why can't you play the 1" down lower - a decent 1" should go a lot lower than 3k - and by the looks of things the horn cutout is for a big horn too so i'd imagine it'd support lower than 3khz

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13 years 10 months ago #10908 by MAutopsy
Replied by MAutopsy on topic 10" to 3khz- need some help
it originally had a jbl 2" CD(2445j on a jbl 2380 horn) around 1000hz i cant find any 1" that will play that low. most say lower cutoff is about 2.5k, even if i can get it to there i would be happy.

i dont want 2" CD's because i was gonna make the top mid section passive xo

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13 years 10 months ago #10911 by MAutopsy
Replied by MAutopsy on topic 10" to 3khz- need some help
phase plug?

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13 years 10 months ago #10912 by bee
Replied by bee on topic 10" to 3khz- need some help
the trouble with a plug on the mid is it might not work, from all the reading and info ive found on phase plugs, the design of the horn plays a big factor. some horn designs would have an advers affect by adding a phase plug..... and others have no gain at all. From the look of the mid horn in the photo, being long with no rearl flare extention, i dont think a plug would have any real effect.......

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13 years 10 months ago #10913 by GekoMusic94
Replied by GekoMusic94 on topic 10" to 3khz- need some help
BMS 4550 (1") smiley20 !

* Unique patented Design
* 113 dB sensitivity 1 W / 1 m
* 800 Hz Crossover
* Extended high frequency response up to 20 kHz
* Small Size and low Weight
* 44.4 mm sandwich in- and outside VC

bmsspeakers.com/fileadmin/bms-data/produ.../bms_4550_t.data.pdf

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13 years 10 months ago #10914 by bee
Replied by bee on topic 10" to 3khz- need some help
now thats an interesting 1"....... got me thinking now..... smiley20

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13 years 10 months ago #10915 by saul
Replied by saul on topic 10" to 3khz- need some help
Tony sold me a pair of the 4538s and i stupidly didn't realize they were 2 bolt CDs

but what amazed me was the weight - literally bugger all - was dead impressed for a ferrite CD.

also got some other BMS now, and i'm very happy with the quality of it all. those germans.... smiley32


but since your in USA, i don't know about the availability of BMS.

maybe look at a B&C DE250? they're probably one of the best ferrite 1" you'll get and they can run quite low compared to other drivers and yet still sound very clean.

edit: here you go: www.parts-express.com/pe/showdetl.cfm?Partnumber=294-605

$125 is pretty reasonable

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13 years 10 months ago #10918 by MAutopsy
Replied by MAutopsy on topic 10" to 3khz- need some help
thanks gentlemen, both the BMSand B&C look promising, i can adapt them to my JBL 2380 horns and they are supposed to have a cutoff of around 500 hz up to 16khz, not too worried about much above that. (i cant hear it anyways).
Lots of 10's work as per sim. the cabs had vintage jbl's and ev's in there, but im gonna add something new.
thats for pointing me towards the right CDs guys!
Mike

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