Are you using these speakers with a subwoofer?
I'm trying to set the limiters on my amp (Crown XTI 4002).I'm calculating the values for the setting on the amp and something doesn't add up...My speakers are 250W continuous, 8 ohms,My amps voltage gain is 34.2db.Using this formula 20*log(sqrt(P*Z/0.6))-G, I get 1.02dBu... So far so good.Now I want to enter the numbers into the amp, but the amp takes db units, which I guess is in relation to its maximum output voltage no matter the load, or it is in relation to power output and then the calculation takes the load into effect.Generally speaking if my amp has 650W @8 ohms and my speakers only take 250W, I think it should be in the neighborhood of -4 to -5 db but I don't know how to calculate it exactly, help...One more, I'd like to set a high pass filter to try and prevent physical damage, what would you suggest I put in the frequency, slope and crossover type to accomplish that?The Frequency Response of my speakers is:55 Hz - 20 kHz (± 3 dB)This is the frequency response chart if it helps
I've got one XTI 1002, and I control it using System Architect, rather than twiddling with the front panel. I don't know if it's available from the front panel, but in SA, you can set the limit as an actual voltage, which should be much easier to figure out. (Though I don't know if they're doing the fiddly stuff Ivan Beaver was mentioning on the Itechs here as well)
Is that the ACTUAL response of the loudspeaker-or a response with procssing applied?It makes a difference.Maybe the make/model number of the loudspeaker would help
this is a link to my speakersThe frequency responce chart is there too and I have no idea if it's with processing or not.
Part of the reason I ask, is that the stated response (-3dB) is 55Hz, while on the response chart the -3dB point is below 40Hz.Why would they cheat themselves on a spec like that? Maybe either the graph or the spec is wrong. It happens.
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