butterworth, quasi bessel

[Trey803 5,000+ posts]

Well what the hell does butterworth, quasi bessel, and enhanced q mean? RL-i specs

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[PV Audio 5,000+ posts]

They're different box alignments (Qtc). Basically, they are three different enclosures with different roll-offs and characteristics and thus different frequency responses. The actual names though are mostly dead and gone engineers //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[Trey803 5,000+ posts]

So which one would be the best to use?

 

[PV Audio 5,000+ posts]

I'd pick the one with the latest rolloff and the one with the smoothest line.

 

[Trey803 5,000+ posts]

They all have about the same rolloff slope but different points. What would you guys recomend for a RL-i10"

 

[PV Audio 5,000+ posts]

Dude post up the graph, I can't visualize it in my mind //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[Trey803 5,000+ posts]

 

[blue93corsica 10+ year member]

the most linear freq, is butterworth's which is a qtc of .707

 

[carguy83 10+ year member]

Mike did not suggest aiming for a qtc of .707 for my RL-p.

I wouldn't recommend going with a box volume that reaches the most-often desired Q of .707. These drivers are not optimized for such an alignment, as the 0.707 Q enclosure is much smaller than I would suggest for a quality realized frequency response. Following this typical line of advise will result in your driver producing heavily muted low frequencies - and with a subwoofer, low frequencies are what are the most important!

That was for my sub, but I'm not sure for the RL-i series. Trey803, I would recommend you email Mike about your enclosure size, or just use the specs recommended on the SS website.

 

[denim 5,000+ posts]

They all have about the same rolloff slope but different points. What would you guys recomend for a RL-i10"

head over to the SoundSplinter Forum and see what people are using there. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif