Anyone fancy twiddling the knobs on my amp?
I'm no good at setting it up so anyone in the bilston, dudley, wolves area that wants to play?
Twiddle My Knob...
Started by
TORZIEnJIM
, Oct 23 2013 02:58 PM
4 replies to this topic
#1
TORZIEnJIM
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Posted 23 October 2013 - 02:58 PM
#2
TORZIEnJIM
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Posted 23 October 2013 - 04:58 PM
am I being too forward....? ;b
#3
travellering
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Posted 23 October 2013 - 05:42 PM
It's quite possible that you could get guidance online on how to get close. How many knobs are there to twiddle? Typically you will have gain, which sets the actual amplification of the signal. If you have high-voltage pre-outs on your head unit, you may not want to put this up very high. Most other head units seem to be happy around 3/4s of the way up. Maxed out will mean the amplifier is trying to increase the signal beyond where it can provide a clean sound from the speaker. Always remember it's easier to blow a speaker with poor signal than with clean sound.
Then there will be crossover points, usually a switch and knob labelled HPF/LPF for high or low pass filter. If you're amping a subwoofer, you want the LPF set to somewhere below 200hz, with a lower value as your speaker gets larger. If you are powering some interior speakers, using the HPF will prevent low-end sound waves from pushing your speakers past their excursion limits..
You probably don't want to faff about with any bass boost or other tonal settings on the amp, since they often color the sound and in extreme cases can blow speakers
#4
TORZIEnJIM
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Posted 23 October 2013 - 06:32 PM
Theres a few switches on the xovers too. a crossover for the tweeter and one for the mid., I'll get some pix up of the dials tomorrow it that'll help.
cheers
#5
freshairmini
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Posted 24 October 2013 - 02:22 PM
If you've got crossovers with your speakers then there is no reason to use the amps ones.
The only thing you will need to use them for is the sub-woofer. I have set mine at about 60hz (low pass filter). Your amp may also have what's called a subsonic (or high pass, in the case of genesis amplifiers) filter that stops the sub playing too low which is important for ported sub enclosures, not so much for sealed.
But if you know the model then that would be also useful to refer to manuals. 
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