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<blockquote data-quote="TJ Cornish" data-source="post: 81943" data-attributes="member: 162">Re: JBL SRX / QSC PL236 underpowered?Hi Andrew.&nbsp; A 75 degree box refers to the general horn dispersion pattern of your main speaker - the SRX715.&nbsp; You don&#039;t want to have overlapping coverage with main speakers - that creates undesirable comb filtering, and sounds bad.The interesting thing about power is that it takes a lot more power to get a little more volume.&nbsp; The difference between an 800 watt amp and a 1600 watt amp is only 3dB of potential power.&nbsp; At the outside end of the speaker&#039;s capability, much of that theoretical 3dB may be lost to power compression - when the voice coil of a speaker heats up and the resistance increases, limiting the power.Going back to the basics, how does your current gear perform?&nbsp; If it&#039;s getting the job done, then you don&#039;t need to change anything, right?&nbsp; If you&#039;re perceiving some problem, what is it?&nbsp; Not enough bass?&nbsp; Add a pair of subs.&nbsp; Not enough coverage when playing wide rooms?&nbsp; Another pair of mains may help.&nbsp; I agree with the general consensus - one amp stereo on the mains, the other bridged into the subs.&nbsp; If you need a lot more than what you&#039;re getting, you may go farther getting different speakers rather than just bigger amps.</blockquote>

[QUOTE="TJ Cornish, post: 81943, member: 162"] Re: JBL SRX / QSC PL236 underpowered? Hi Andrew. A 75 degree box refers to the general horn dispersion pattern of your main speaker - the SRX715. You don't want to have overlapping coverage with main speakers - that creates undesirable comb filtering, and sounds bad. The interesting thing about power is that it takes a lot more power to get a little more volume. The difference between an 800 watt amp and a 1600 watt amp is only 3dB of potential power. At the outside end of the speaker's capability, much of that theoretical 3dB may be lost to power compression - when the voice coil of a speaker heats up and the resistance increases, limiting the power. Going back to the basics, how does your current gear perform? If it's getting the job done, then you don't need to change anything, right? If you're perceiving some problem, what is it? Not enough bass? Add a pair of subs. Not enough coverage when playing wide rooms? Another pair of mains may help. I agree with the general consensus - one amp stereo on the mains, the other bridged into the subs. If you need a lot more than what you're getting, you may go farther getting different speakers rather than just bigger amps. [/QUOTE]

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