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Alternative VHF100 in Community SLS920

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gideon View Drop Down
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    Posted: 18 March 2017 at 8:05pm
I'm the lucky owner of 4 Community's SLS920 and using them in passive mode.
When I drive the cabs to their limits, sometimes the VHF100 doesn't survive the end of the evening unfortunately. Probably it's also related to the age of the diafragma. As it's pretty difficult to get a recone at a realistic price in Western Europe, I was wondering if someone as ever tried to find an alternative for the VHF100 without changing to much to the standard SLS920 setup?

Many thanks for your help!

Gideon
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_djk_ View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote _djk_ Quote  Post ReplyReply Direct Link To This Post Posted: 18 March 2017 at 8:27pm
Try the Beyma CP380M.

It doesn't sound as nice, but it handles more power, and is affordable.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gideon Quote  Post ReplyReply Direct Link To This Post Posted: 19 March 2017 at 8:33am
Looking at the specs there is quite big a difference in sensivity, did you also notice did in practice? Crossover in sls920 limits the high frequency pretty fast, how did you manage to get the same output?
Eminence and B&C has some driver in their portfolio with a high sensivity
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ceharden Quote  Post ReplyReply Direct Link To This Post Posted: 19 March 2017 at 8:50am
If you look at the graphs rather than the headline spec you'll see that 111dB is quite optimistic.

I'd also consider trying something like the B&C DE250 or CP385Nd
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Post Options Post Options   Thanks (0) Thanks(0)   Quote _djk_ Quote  Post ReplyReply Direct Link To This Post Posted: 19 March 2017 at 7:51pm
http://www.communitypro.com/sites/default/files/SLS920_Spec.pdf


http://www.communitypro.com/sites/default/files/VHF100.pdf

The PC-694 horn has a Di of about 13 above 4Khz, and is about 105dB/2.83V with the VHF100.

The complete driver is about $300, the diaphragm is about half that (USA prices).


The VHF100 driver has a lower compression ratio than most (that's one reason it sounds better than most). A Beyma or B&C shouldn't have too much of a problem keeping up.

Before CLS developed the VHF100 they used either the JBL 2426 or the Eminence 1".

At a distance of more than about 30' the lack of VHF above 10khz or so was not noticeable (Eminence), but the air overload in the high compression phase plugs was ('quacking' sounds at high levels).

I only noticed the 'quacking' sound on live vocals, and with a stupid large amp (3KW/4Ω), the Eminence sounded fine on recorded music, even outside at a large distance.


Edited by _djk_ - 20 March 2017 at 9:33pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ikabod88 Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2017 at 8:21am
Try Faital Pro' s HF10AK.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote _djk_ Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2017 at 9:42pm
All the Faital are good.

The 108 (newer, neo, and less expensive).



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