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<blockquote data-quote="Richard Stringer" data-source="post: 43052" data-attributes="member: 166">Re: Question about headroom with dj mixersQSC told me a while back that at full bandwidth, bridged into 4 ohms the amplifier will be delivering about 1,700 watts average power, and so that&#039;s good enough. I know a lot of people are using Crown I-Tech amps but i&#039;ve not chance in hell of ever being able to afford one, I was lucky to be able to afford my SRX728S subs, I paid them off slowly, one by one over a year. I got each MPA750 amps for £250, wheras a used Crown I-Tech8000 costs about £2,000, even the I-Tech6000 costs about £1,500 used. With regards to the high pass filter, the music I play is oldskool hardcore rave which has a lot of 30-40hz content and the low frequency makes up a lot of headroom of the tracks being played so i&#039;m gonna leave the high pass filter at 31hz I think, although i&#039;ll do what you say and at least have a listen, see if I can tell any difference in setting it at either 31hz upto 35hz.</blockquote>

[QUOTE="Richard Stringer, post: 43052, member: 166"] Re: Question about headroom with dj mixers QSC told me a while back that at full bandwidth, bridged into 4 ohms the amplifier will be delivering about 1,700 watts average power, and so that's good enough. I know a lot of people are using Crown I-Tech amps but i've not chance in hell of ever being able to afford one, I was lucky to be able to afford my SRX728S subs, I paid them off slowly, one by one over a year. I got each MPA750 amps for £250, wheras a used Crown I-Tech8000 costs about £2,000, even the I-Tech6000 costs about £1,500 used. With regards to the high pass filter, the music I play is oldskool hardcore rave which has a lot of 30-40hz content and the low frequency makes up a lot of headroom of the tracks being played so i'm gonna leave the high pass filter at 31hz I think, although i'll do what you say and at least have a listen, see if I can tell any difference in setting it at either 31hz upto 35hz. [/QUOTE]

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