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<blockquote data-quote="Darren Scaresbrook" data-source="post: 84518" data-attributes="member: 1272">Re: out of my depthHi Lisa,While not a concert level sub by any stretch, these are quite efficient as long as you don&#039;t try to get them to go too low.You definitely need a high pass filter on them, start at 40 hz if you&#039;re only going for moderate volume, but be prepaed to sacrifice more LF extension and raise the HP to maybe 60hz if they are going to be pushed at all.What venue are you using these in, what is the room size and audience size? If you can cluster all 4 of them and couple the horn mouths you&#039;ll get better low end extension for free!Having said that, it sounds like the driver may have already been rubbing the voice coil. Those drivers are really easy to fix, the basket, cone and voice coil are all bolted on as one assembly. I&#039;m pretty sure it would be in stock here in Adelaide too.It probably wouldn&#039;t hurt to pop the other drivers out and clean the gaps, check for rubbing, burning etc. Easy job, and educational too!Cheers,Darren</blockquote>

[QUOTE="Darren Scaresbrook, post: 84518, member: 1272"] Re: out of my depth Hi Lisa, While not a concert level sub by any stretch, these are quite efficient as long as you don't try to get them to go too low. You definitely need a high pass filter on them, start at 40 hz if you're only going for moderate volume, but be prepaed to sacrifice more LF extension and raise the HP to maybe 60hz if they are going to be pushed at all. What venue are you using these in, what is the room size and audience size? If you can cluster all 4 of them and couple the horn mouths you'll get better low end extension for free! Having said that, it sounds like the driver may have already been rubbing the voice coil. Those drivers are really easy to fix, the basket, cone and voice coil are all bolted on as one assembly. I'm pretty sure it would be in stock here in Adelaide too. It probably wouldn't hurt to pop the other drivers out and clean the gaps, check for rubbing, burning etc. Easy job, and educational too! Cheers, Darren [/QUOTE]

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