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BMS 4550 in X15 style cab
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malina View Drop Down
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    Posted: 20 April 2011 at 7:28am

Would it be a waste to use BMS 4550 in single 15" 2way reflex crossoed at 1.2kHz or could it keep up with 2x15".

I have 4x15" neo Paudio speakers and wanted to do something with them.

BTW. is Paudio PH220 horn any good for BMS 4550?

Thanks in advance.
Malina Audio
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Tony Wilkes View Drop Down
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Points: 3346 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tony Wilkes Quote  Post ReplyReply Direct Link To This Post Posted: 20 April 2011 at 12:34pm
The 4550 will work quite happily with twin 15" drivers if crossed at 24-48db/oct. Try it with a Faital LTH102 horn crossed as low as 1K for good results.

Never used the P.Audio flare so cannot comment.

Tony
www.forteaudio.eu - BMS - db-Mark Processors
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malina View Drop Down
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Points: 125 		Post Options Post Options   Thanks (0) Thanks(0)   Quote malina Quote  Post ReplyReply Direct Link To This Post Posted: 20 April 2011 at 4:18pm

So could you recommend a horn for 4550? Got them for 70euro/each. I think that is a fair price?

PH 220 is OK priced, it is like 23 euros, I can buy RCF, Paudio, Faital, EV, B&C, so what would be the price/performance winner?

For now it is going in 2way crossed at 1.5k. Main use would be small live gigs main, for bigger gigs monitor duty.

Maybe experiment on some 2x12" mid tops later when funds allow.
Malina Audio
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malina View Drop Down
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Points: 125 		Post Options Post Options   Thanks (0) Thanks(0)   Quote malina Quote  Post ReplyReply Direct Link To This Post Posted: 22 January 2012 at 6:17pm

Not to open a new topic, so i seek help here.

I built 2x15"(2x16ohm in parallel=8ohm) + BMS 4550 8 ohm.

I used these crossover at the fifth page of these B&C plans and got to much HF.

Could it be altered at the end of HF part using different value resistors or am I off to making a new custom crossover for this job? 

Every component is OK just don't have two bulbs but one. Could this be the part that is raising power to the comp?

I am not good at passive crossover designing.

Every advice is more than welcome.

Thanks.
Malina Audio
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Marko View Drop Down
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Points: 93 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Marko Quote  Post ReplyReply Direct Link To This Post Posted: 22 January 2012 at 7:27pm
Malina, treba ti L-pad koji atenuira snagu visokotonca.
Evo link za izračun vrijednosti otpornika:
http://www.diyaudioandvideo.com/Calculator/LPad/
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MarjanM View Drop Down
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Points: 2727 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MarjanM Quote  Post ReplyReply Direct Link To This Post Posted: 22 January 2012 at 11:31pm
Ne samo L-Pad, 4550 ima izrazeno visoku osetljivost od 3-5KHz-a, tako the treba ti i notch filter kako bi ublazio taj naglaseni deo.
Marjan Milosevic
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Bold Audio Inc
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http://www.facebook.com/pages/Bold-Audio-Inc/323691856723
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malina View Drop Down
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Points: 125 		Post Options Post Options   Thanks (0) Thanks(0)   Quote malina Quote  Post ReplyReply Direct Link To This Post Posted: 23 January 2012 at 6:19pm

Thanks.

Hm....and here we go.

A brand new crossover.

Here we go.

So, I have two 16ohm 15" mid-bass speakers. Each 97-98 db sensitivity.

And a 4550 mounted on PH220 horn(RCF H100 aluminium copy).

What's the average sensitivity on BMS 4550 on 90x75 horn?

If I have two 16ohm paralleled would they have 100-101 db sens. at 8ohm?
Malina Audio
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Marko View Drop Down
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Points: 93 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Marko Quote  Post ReplyReply Direct Link To This Post Posted: 26 January 2012 at 8:35pm
malina imas PM
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