Setting limiters on Berry LMS |
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S DeXter
Young Croc Joined: 12 May 2008 Location: Moon Status: Offline Points: 1268 |
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I think they are probably OK if the release time is set quite long. However I too have had similar problems with the DCX limiters :( |
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Enjoy your self...... It's later than you think.......
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festival people
Registered User Joined: 11 April 2011 Status: Offline Points: 178 |
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Hiya, I gave a good manual method because I too have blown drivers with a "mathamtical" aproach to limiters on the dcx.......I think sometimes the calibration may be a little off......but it is a good start point.......but as I said, I have a link to the dcx from my laptop and monitor the dcx at the sound desk so can adjust on the fly if the roadies indicate redl lights at the stage end.....lol
regards
dave
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SebP
Registered User Joined: 02 February 2010 Status: Offline Points: 127 |
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There's a online calc for DCX2496 here: http://hornplans.free.fr/limiteur_dcx2496.html
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phildat
Young Croc Joined: 29 January 2009 Location: manchester Status: Offline Points: 1115 |
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just tried that above thanks
so let me get this right using an amp 1900 watts 4 ohms...the limiter needs to be set at 19.2 threshold? just double checking with others...? |
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Its just a ride.
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vibez
Registered User Joined: 21 January 2010 Location: wolverhampton Status: Offline Points: 316 |
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My berry limiters were set by Tony Wilkes and they work perfectly, have been set for over 12 months now and my rig has been pushed hard many times without losing any drivers. Thanks again Tony
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Tony Wilkes
Old Croc Joined: 02 August 2004 Location: West Midlands Status: Offline Points: 4840 |
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It seems to me that pepes expect their limiters to be able to be set to within 0.1db of absolute max. power and still protect the rig.
If they are set-up a little bit conservative and lets be honest if you constantly have to push your gear on or near to 100% all of the time you are doing things totally wrong then you should never blow a driver apart from amp failures or bad design. Just wind it back 1-1.5db that's all it takes. Tony |
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www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE)
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toastyghost
The 10,000 Points Club Joined: 09 January 2007 Location: Manchester Status: Offline Points: 10920 |
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Depends on the amp input sensitivity. |
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space141
Registered User Joined: 18 June 2015 Status: Offline Points: 30 |
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Know this thread has been dormant for a few years but I have found it rather useful as I am just setting up my first soundsystem. I am having difficulty understanding how you calculate the ratio of power so that you are not running your amp at full tilt. The equation below is a little confusing:
What does the 10 Log stand for as 900/700 = 1.29 I understand we're trying to work out a ratio here but need a little assistance getting my head round this one. My amps are a QSC RMX850 & RMX1450 which both have an input sensitivity of 1.15v (+3.4dBu) which I am running in bridge mono mode into 8ohm speakers with an output power of 530W & 800W respectively. Cheers.
Edited by space141 - 09 October 2015 at 9:58am |
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DMorison
Old Croc Joined: 14 March 2007 Location: Aberdeen Status: Offline Points: 1647 |
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Log means you take the base 10 Logarithm of the ratio in the brackets (easily available on any scientific calculator or spreadsheet) and the 10 meas you multiply the result of that by 10. So, 900/700= 1.29, just as you say; Log(1.29) = 0.109 10*Log(1.29) = 1.09. Seemples. David.
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S360
New Member Joined: 16 September 2018 Status: Offline Points: 1 |
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Hi Alfie,
I would like to ask you why do you take for granted that the relationship between dBfs and DBu is proportional on the Dcx. Im working with this proccesor and with de Drive Rack Pa2 (dBx) and at least in the dBx they provide you this information:
As you can see the relationship between dBfs and dBu is not proportional, I`ve tried to find this information on the Dcx manual but behringer doesn`t bring it. Don`t now what to do O.o' Thanks in advance, S360
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suparub
Registered User Joined: 30 June 2019 Location: Tel Aviv Status: Offline Points: 17 |
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up :)
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