Configuring DSP w/ T30's and EP2500

Is this amp OK?
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t_rev
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Joined: Sun Feb 07, 2010 4:27 pm

Configuring DSP w/ T30's and EP2500

#1 Post by t_rev »

Hello, I have a pair of Definimax 4012 loaded 24" T30's, a BBE DS24, and an EP2500. I have the HPF set to 35hz buttworth 24db/ octave and LPF set to 92hz. Couple of questions, should I run the amp in bridged or stereo? Could running in bridged mode blow the drivers? I read about the reading the voltage off the amp limiting method, but I'd like to limit with the DSP. What limiter settings should I use if I were to run the setup in bridged mono? Are there any advantages to running in stereo? Sorry about the bombardment of questions, thanks for any info!

sine143
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Location: Raleigh NC

Re: Configuring DSP w/ T30's and EP2500

#2 Post by sine143 »

dont bridge the amp, you dont need the power, and it probably will toast the drivers. It puts out 500 watts per channel at 8 ohms, so if you run a tuba on each channel, you'll be fine. you could even just run them parellel off of channel one.

raise the lpf a bit, 100hz, maybe a bit higher if you want.
Built:
2x Tuba 30s delta12lf loaded (gone)
4x Otop12 d2512 loaded
8x t48s (18, 18, 24, 24, 30, 30) 3015lf loaded
2x AT (1 mcm, 1 gto 804)
2x SLA Pro (dayton pa6, 6 goldwood piezo loaded)
1x bastard XF208

2x OT212 (delta pro 450a loaded, eminence psd)

SeisTres
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Location: Dallas, tx

Re: Configuring DSP w/ T30's and EP2500

#3 Post by SeisTres »

I do not know the method to which you refer, but usually, the limiting is done on the dsp as the amp will simply amplify what is put in (unless you have the xti or similar). But the limiting is the same regardless of the method used: limit for rms power and also taking into consideration the xmax of the driver being used. Don't know if the plans include voltages for your driver, but if not, hopefully someone can chime in with the figures.

Subs are usually run in mono even when separated.

And finally, there's no need to bridge the amp. Unless you want to series the cabs, but at this point, it would be like running one tuba of each of the channels.

And also, yes and what sine said. You might want to raise the LP as it will be very demanding for the tops even the even go that low.
Built:6 t39, t18, 4 Jack10, 2 autotuba, 2 SLA,2 wedge, 2 TT, 2 Tritrix, curved sla, 2 otop212, 2 SLA pros, Ported 8" sub, 2 ported 210, dual ported 8" sub

t_rev
Posts: 5
Joined: Sun Feb 07, 2010 4:27 pm

Re: Configuring DSP w/ T30's and EP2500

#4 Post by t_rev »

Thanks guys for the replies. I guess my question on limiting was getting at is: Do I need a multimeter to read the voltage coming from my amp then mess around with the limiter settings on the dsp to get the right voltage when the amp is at full power? Thanks again, this forum is incredibly helpful!

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Bill Fitzmaurice
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Re: Configuring DSP w/ T30's and EP2500

#5 Post by Bill Fitzmaurice »

t_rev wrote:Thanks guys for the replies. I guess my question on limiting was getting at is: Do I need a multimeter to read the voltage coming from my amp then mess around with the limiter settings on the dsp to get the right voltage when the amp is at full power? Thanks again, this forum is incredibly helpful!
Yes, that's the only way you can do it.

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