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<blockquote data-quote="Randy Frierson" data-source="post: 84652" data-attributes="member: 251">TourSub UpdateAs we evolved as a company we learned a lot about box turnings, picking the right components and power matching..I as the owner decided to try some idea&#039;s , first I changed the dimensions of the TourSubs to be truck pack both ways, I also decided to change the ports to reduce some of the port noise and to play with the tuning, I initially wanted to gain more kick drum punch and that was the desired goal, and i was willing to sacrifice a bit of ultra low end, Adam Shay my dsp engineer and box tuner really did a great job of delivering the goods, we did gain in the kick drum region but also and very unexpectedly gained sensitivity in the extreme low end..yes there is no big secret in the TourSub but that&nbsp; it is built right, uses the best 18, I could find, SW115/4, each driver gets a ch of amplifier, right now you can order with or without dsp, also we are now selling without amplifiers, we have some that we are using with Xillica dsp and FFA 10000 amplifiers, a really nice match, though they can handle more power....</blockquote>

[QUOTE="Randy Frierson, post: 84652, member: 251"] TourSub Update As we evolved as a company we learned a lot about box turnings, picking the right components and power matching..I as the owner decided to try some idea's , first I changed the dimensions of the TourSubs to be truck pack both ways, I also decided to change the ports to reduce some of the port noise and to play with the tuning, I initially wanted to gain more kick drum punch and that was the desired goal, and i was willing to sacrifice a bit of ultra low end, Adam Shay my dsp engineer and box tuner really did a great job of delivering the goods, we did gain in the kick drum region but also and very unexpectedly gained sensitivity in the extreme low end..yes there is no big secret in the TourSub but that it is built right, uses the best 18, I could find, SW115/4, each driver gets a ch of amplifier, right now you can order with or without dsp, also we are now selling without amplifiers, we have some that we are using with Xillica dsp and FFA 10000 amplifiers, a really nice match, though they can handle more power.... [/QUOTE]

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