Scoop Bins + Midtop problem - Page 3

phase_accurate · 27th July 2007, 03:18 PM

Well I don't have any picture of it but I might arrange one if time permits.
The tops have handles and we just hanged these from the ceiling (or whatever) by running some packing straps down through one of these handles and around the bottom and up again on the other side. I.e the handles were just used for keeping the strap in place and not to carry the weight. We did not use any real flying harness. Doing this you have to watch out to comply with local safety rules. Since we mostly use the system for private parties this is less of a problem if common sense is used.

Regards

Charles

AKN · 27th July 2007, 04:20 PM

Hi,

crissty,
Have you tried to plug port on midtops when running together with the scoops?
The plug could be some kind of wood plug, easily removed when running the tops alone.

phase_accurate · 30th July 2007, 06:34 AM

That's how I use to fly them (this one is smaller than yours though). Moving the tops a bit out od the scoops nearfield might help by great lengts. Youll hjust have to try to find out.

Regards

Charles

pinkmouse · 30th July 2007, 08:55 AM

Crissty, please do a simple experiment for me. Sit the mid/high boxes on the scoops as normal, but don't connect them to anything. Fire up the bins to working volume, and see if the cones on the mid drivers move. I suspect they won't.

Foxx510 · 30th July 2007, 09:32 AM

From what I can gather, he has done that and they do indeed move. I would try some foam plugs in the ports of the top boxes.

phase_accurate · 30th July 2007, 09:38 AM

Quote:

Sit the mid/high boxes on the scoops as normal, but don't connect them to anything. Fire up the bins to working volume, and see if the cones on the mid drivers move. I suspect they won't.

Or maybe with the input connectors shorted !

Regards

Charles

crissty · 31st July 2007, 08:07 AM

Quote:

Originally posted by pinkmouse

Sit the mid/high boxes on the scoops as normal, but don't connect them to anything. Fire up the bins to working volume, and see if the cones on the mid drivers move. I suspect they won't.

It does move.

IMO Plugging the ports might not solve the problem, cause the box volume is approx 70liters, and so would not restrict the movement of the cones.
I think the best solution would be to use Mids as horn loaded with small back chamber.

pinkmouse · 31st July 2007, 11:26 AM

Very strange, I have never experienced that kind of behaviour, and I've played with a lot of PA boxes.

I would try the bungs anyway before you rebuild the boxes.

crissty · 31st July 2007, 02:54 PM

Quote:

Originally posted by pinkmouse
bungs

??????

pinkmouse · 31st July 2007, 02:57 PM

Sorry, plugs for the ports.

Bung

27th July 2007, 04:20 PM	#22
AKN No snake oil diyAudio Member Join Date: Aug 2005 Location: In the middle of Sweden	Hi, crissty, Have you tried to plug port on midtops when running together with the scoops? The plug could be some kind of wood plug, easily removed when running the tops alone. __________________ / Anders

30th July 2007, 08:55 AM	#24
pinkmouse diyAudio Moderator Join Date: Apr 2002 Location: Chatham, England	Crissty, please do a simple experiment for me. Sit the mid/high boxes on the scoops as normal, but don't connect them to anything. Fire up the bins to working volume, and see if the cones on the mid drivers move. I suspect they won't. __________________ Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort

31st July 2007, 11:26 AM	#28
pinkmouse diyAudio Moderator Join Date: Apr 2002 Location: Chatham, England	Very strange, I have never experienced that kind of behaviour, and I've played with a lot of PA boxes. I would try the bungs anyway before you rebuild the boxes. __________________ Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort

31st July 2007, 02:57 PM	#30
pinkmouse diyAudio Moderator Join Date: Apr 2002 Location: Chatham, England	Sorry, plugs for the ports. Bung __________________ Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort

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27th July 2007, 03:18 PM	#21
phase_accurate diyAudio Member Join Date: May 2002 Location: Switzerland	Well I don't have any picture of it but I might arrange one if time permits. The tops have handles and we just hanged these from the ceiling (or whatever) by running some packing straps down through one of these handles and around the bottom and up again on the other side. I.e the handles were just used for keeping the strap in place and not to carry the weight. We did not use any real flying harness. Doing this you have to watch out to comply with local safety rules. Since we mostly use the system for private parties this is less of a problem if common sense is used. Regards Charles

30th July 2007, 09:32 AM	#25
Foxx510 diyAudio Member Join Date: Nov 2006	From what I can gather, he has done that and they do indeed move. I would try some foam plugs in the ports of the top boxes.

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