Distro Decisions |
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finnchapman
Registered User Joined: 14 August 2019 Location: MCR/Cambridge Status: Offline Points: 12 |
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Posted: 28 May 2020 at 2:38pm |
Easy everyone,
Hope you are all good and making use of the sunshine - I'm out in the garden, building a few scoops as we speak. Over the past few months I have been putting together my first system - 3 Oberton 18XB1300 Super Scoops on one channel of a Void Inf8 V2 HD215 with 2x Fane Sovereign 15-400LF on the other channel of the Inf8 2x MT121s loaded with recommended drivers (600W and 100W) running in stereo off a Void Inf5 V2 and a Void Inf X4 I also have a couple rackmount processors (EQ, compressor/gate/limiter) and a Berry DCX. So far I have been running everything off its own 13A plug, but I am looking at getting a distro unit to tidy up the rack for gigging. I have been offered a Kelsey PD7/32 for a good price, and am wondering whether I should go for it, or if I will be limited by having 13A output for each amp? I know the Inf8 can be powerhungry with more drivers, but will it be alright on 13A for what it is currently driving?? Should I be looking at 3-phase distros, or is that ridiculously over the top for this scale of system? How will the system perform if the distro has to be adapted down to a single 13A socket? Any advice is very welcome! Cheers, Finn (Forward Sound)
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James Tengo
Old Croc Joined: 09 May 2008 Location: Brighton Status: Offline Points: 2155 |
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1 - What do the venues you play in have supply wise?
2 - Have you ever tripped a 13a fuse in anger? What current do you see on the Inf 8 readout under normal use? The 32a to 13a sockets in the distro is akin to a ring main in a venue, so no different to your current use of "separate" 13a sockets for your amps
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James Tengo
Old Croc Joined: 09 May 2008 Location: Brighton Status: Offline Points: 2155 |
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The single 13a to 32a adaptor will not throttle system performance, current limiting doesn't work that way. The fuse will pass current until it fails, often at a value much higher than 13a....
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finnchapman
Registered User Joined: 14 August 2019 Location: MCR/Cambridge Status: Offline Points: 12 |
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Thanks for the reply James - never tripped a 13A but not really pushed it too hard yet, as it's in my house and the neighbours wouldn't be too happy Venues have a mix of supplies as far as I am aware - some with 13A, some with 32A etc. I'm really thinking about futureproofing/if having this distro will hamper the system at all. The ring main point is interesting - does this hold true if the distro is off a single 13A versus each amp on its own? I also suppose I could have the inf8 off one 32A and the distro off another in a pinch. Thanks, Finn |
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Soundboy's Shaolin
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JonB67
Young Croc Joined: 22 April 2016 Location: UK Status: Offline Points: 1376 |
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I designed a 2u distro that has 2 inputs so you can run it off 2x13amp sockets (Or 2x16 or 2x32) and it effectively runs as 2 distros, or press a switch and it runs the whole thing off one input if you only have one 32amp socket as a single distro.
I don't build them, just had the idea.
Drop me a pm if that sounds useful. Edited by JonB67 - 28 May 2020 at 9:11pm |
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imageoven
Old Croc Joined: 28 March 2007 Location: Scotland Status: Offline Points: 2186 |
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^ this is the most important question really. In an ideal world your Inf8 would have a 32A plug on its input and be given a 32A supply of its own. The inf5 and inf4 both pull less than 13A each at full steam so running them both off a 32A- 13a distro makes sense as it keeps your cables a bit tidier. So ideally your venue will have 2 x 32A sockets. But if your venue only has a single 32A supply (and you'll be lucky to get that in many small to medium sized venues) then it would make more sense to run the inf.8 from it, and run 13A from wall sockets for each of the smaller amps. |
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Keep pushing on, things are gonna get better.
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imageoven
Old Croc Joined: 28 March 2007 Location: Scotland Status: Offline Points: 2186 |
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Probably best to go with the conventional approach of cascading distros to give you flexibility. Obviously I don't know your design JonB67, but this type of multiple input distro either makes one input live when not plugged in (ie widow maker) or is surprisingly expensive to implement correctly / safely.
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Keep pushing on, things are gonna get better.
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JonB67
Young Croc Joined: 22 April 2016 Location: UK Status: Offline Points: 1376 |
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Nope, not a widow maker. I realised for my needs, and with the venue sizes I use never know what outlets you're going to get, the ultimate in flexibility without rewiring the amp rack every time was what I wanted.
Edited by JonB67 - 29 May 2020 at 8:25am |
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paulus
Old Croc Joined: 14 December 2005 Location: SOUTH BIRMINGHA Status: Offline Points: 3181 |
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just for reference i have used a void on 13 amp plug tops when nothing eles is available and seen it hit 21 amps without blowing nothing ,tho that was only running it at 4 ohm load per channel
Edited by paulus - 29 May 2020 at 12:52pm |
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TRENDSETTER SOUND SYSTEM
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DJ-Dulux
Registered User Joined: 24 August 2009 Location: Kenilworth, UK Status: Offline Points: 378 |
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Venues I play at range from garden parties to school halls to social clubs. All my racks are built with powercons. Each 20A powercon feeds either a big amp direct or a couple of items via a PDU (midtop amp and processor). Every rack has generally 2 powercon inputs.
I then have: 13A>16A adaptors (0.5m) 16A>20A powercon (0.5m) 16A>32A adaptors (0.5m) 16A>16A extensions (3, 5 and 10m) 32A>32A extensions (5 and 10m) 32A 3 phase to 32A single phase breakout splitter Finally I have some rubber box 32A to 4 16A RCBO 16A to 8 13A I can therefore run off pretty much anything I come across from 13A sockets to 3 phase 32A and its also easy to add to if I need more. The 13A>16A 16A>32A are useful for longer runs etc. For most venues its 13A to 16A extensions into powercon. Key is flexibility and the ability to buy or hire standard items if needed. All cable in flexible rubber Ho7m-f. Dupe... |
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Dupe...
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jacethebase
Old Croc Joined: 23 September 2009 Location: Somerset Status: Offline Points: 5697 |
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Unless your doing venues geared up for events coming through With suitable power etc. Keep it all 13a and just spread the load around the ring main.
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www.wedding-production.co.uk
www.stage2sound.com |
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al_x
Young Croc Joined: 12 February 2006 Status: Offline Points: 834 |
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Most people I have seen use 16amp blue plugs or 20amp powercon for infi8’s.
A distro with 32in/out and a couple of 16 or 20amp outputs on breakers and then 13amp outs for the rest of the gear would be perfect. For venues with only 13amp outputs you’d just have to try to separate the amps the best you can. |
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