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shagnasty View Drop Down
Old Croc
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Joined: 30 July 2007
Location: Guildford, UK
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Points: 7683 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shagnasty Quote  Post ReplyReply Direct Link To This Post Posted: 10 February 2009 at 5:39pm
Originally posted by Peter Moller Peter Moller wrote:

Originally posted by shagnasty shagnasty wrote:

I may seem obvious, but in this very thread some one has wired up there amp racks with 32A PCons, this is fine if the amps have 32A Pcons on them but not allowed if you put the 32A connector on the amp cable and the socket on the distro as the 32a in only available in a chassis drain - line source configuratoration so reversing this could have very deadly results.
  
 
That'd be me!
 
I am not sure what you mean the issue is?..
The 32A powercons are just like the 20A ones a 3 pin connector.. Yes, they are the wrong gender, but given the tight pack of my amprack and the fact that the connectors are inaccessible during setup and normal use, its not an issue - and these felt a lot safer than other compact, 32A rated options on the market..
 
/p
 
 
 
James kinda covered it but my point was more that if you do things like this, make bloody sure the kit is only used by either yourself or someone with common sense.
 
If the back of your rack has a grill on it that can only be removed with tools the assembly has no H&S probs at all.  And I agree, using a 32A connector is better than a 20A one and no other 32A connector really lends itslef to internal rack wiring due to size.
 
The potential pob is if your rack was used by a muppet that had the 13A to 32A lead off his QSC and unplugged one of your amps and plugged it in thus getting 240V on the pins of his plug (you say a muppet would not have this lead, nut you forget fools are ingenious!!) or if some one saw your neat distro and built one to go behinf their rack of SKBs with loose amps in which would then be exposed.
 
I diliberatly didn't quote or name you when I made the post as you post here a lot and obviuosly know your onions, so all good...
 
The post was more a general, if you don't really know get someone who does for anyone reading the thread and thinking of doing a "version" of your well executed plan but without the thinking you have done....
 
I have seen a really nice MC2 rack with an EMO distro on it with a 13A socket on a 2U panel that the owner powered up with a 13A > 13A plug lead and couldn't see my point when I refused to connect it to the genset. The guy had done a really nice job, just didn't think about the "what if ...." bit...
 
So I hop e no offense to you Peter, but my point was well meant...
 
Smile
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Peter Moller View Drop Down
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Joined: 26 December 2005
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Points: 2531 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter Moller Quote  Post ReplyReply Direct Link To This Post Posted: 10 February 2009 at 10:09pm
Let me just point out that the amprack in question has an onboard distro ( 32A 3 ph feed ) specifically built for the rack, and the 32A powercons used as outlets are not accessible without the use of tools.. On top of that, there are no extra 32A outlets, so no place to plug into without unplugging one of the amps first..
 
Trust me - I wasnt overly happy about spending a fortune on these connectors, but the alternative was to hardwire the amps to the distro and that'd be a mess in case I need to service them..
 
/p
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chickenfizz View Drop Down
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Joined: 17 March 2008
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Points: 982 		Post Options Post Options   Thanks (0) Thanks(0)   Quote chickenfizz Quote  Post ReplyReply Direct Link To This Post Posted: 11 February 2009 at 9:00am
Wow I hadn't realised the 32a version weren't available in blue and grey pairs, that seems ridiculous to me, why would they not do that?
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mk2_ginger_biscuit69 View Drop Down
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Joined: 03 November 2008
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Points: 7797 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mk2_ginger_biscuit69 Quote  Post ReplyReply Direct Link To This Post Posted: 14 February 2009 at 3:47pm

my patch panel in progress, wired for balanced xlr input or unbalanced RCA phono in wired unbalanced to the XLR. much more simple to patch cheaper mixers etc.. 4core two way midtop speakon outs, two XLR outs from the Xover for bass left and right, and a powercon in, which will have a dual socket duraplug on the other side, feeding midtop amp and xover. when i finish properly ill take some rear pics.
''Remember that the object of a subwoofer is to enhance the output of your main speakers, not overpower it''

''Dubstep - an elongated electronic fart''
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flyer View Drop Down
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Joined: 20 November 2008
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Points: 414 		Post Options Post Options   Thanks (0) Thanks(0)   Quote flyer Quote  Post ReplyReply Direct Link To This Post Posted: 15 February 2009 at 3:20am
what would happen if you plugged a powercon in or out while it was LIVE???
IT WILL BE A GOOD SESSION
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James Tengo View Drop Down
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Points: 2189 		Post Options Post Options   Thanks (0) Thanks(0)   Quote James Tengo Quote  Post ReplyReply Direct Link To This Post Posted: 15 February 2009 at 8:10am
It would completely depend on the current load on the powercon, for example I know a venue that uses powercon oultets (the grey ones) to do power distribution around the venue. The sockets are always live, but they ask you to only make or break connections when there is no load on the circuit. (E.g. Powercon to 2x 13a socket adaptor, so you unplug the 13a sockets before unpluging the powercon, leaving no load on the circuit) If a powercon was unplugged under load you would probably get arcing in the connector.
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gwarntek View Drop Down
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Joined: 17 November 2008
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Points: 766 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gwarntek Quote  Post ReplyReply Direct Link To This Post Posted: 26 February 2009 at 6:09pm
Originally posted by mk2_ginger_biscuit69 mk2_ginger_biscuit69 wrote:

next question... where can i get 2x SCDR's?
 
 
hey man did you get any of these in the end?
or know of anywhere else that sells them, maybe in bigger quantities for cheaper?
 
otherwise will probs get some kinda heatshrink...
 
havent used it before though, may be interesting.. hahaha
how do you heat it up? hairdryer or something?
 
peace
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gwarntek View Drop Down
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Points: 766 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gwarntek Quote  Post ReplyReply Direct Link To This Post Posted: 26 February 2009 at 6:24pm
actually i may have found the answer...
 
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CLsystems View Drop Down
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Joined: 16 March 2007
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Points: 2736 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CLsystems Quote  Post ReplyReply Direct Link To This Post Posted: 26 February 2009 at 6:42pm
i normally use sticky heatshrink on the back of chassis powercons. 
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mk2_ginger_biscuit69 View Drop Down
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Points: 7797 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mk2_ginger_biscuit69 Quote  Post ReplyReply Direct Link To This Post Posted: 26 February 2009 at 8:32pm
i used some gaffatape covering in heatsink in the end designed for plumbing, bought from the 99p shop. looks alright and is nice and solid.
''Remember that the object of a subwoofer is to enhance the output of your main speakers, not overpower it''

''Dubstep - an elongated electronic fart''
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gwarntek View Drop Down
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Joined: 17 November 2008
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Points: 766 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gwarntek Quote  Post ReplyReply Direct Link To This Post Posted: 26 February 2009 at 9:38pm
yeah might have to get some heatshrink, new stuff to me...
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