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Mach5 IXL15.2.2 vs SS RL-p15 vs TC Sounds LMS-R 15" DVC Subwoofer

3K views 6 replies 3 participants last post by  1Michael 
#1 · (Edited)
I am starting a new ported build in 4 to 7 cu feet Ftune 20Hz and i narrowed my choice to these 3 drivers:
Mach5 IXL15.2.2 the SoundSplinter RL-p15 and the TC Sounds LMS-R 15 :sn:, the latter two share the same price, where RL-p15 has more impressive, juicier motor
So i did some simulation,

The Mach 15.2.2 does nice job in 4 cu feet tuned to 18Hz , TC Sounds reaches the same low freqs but in 7 cu feet with 3dB higher output.
What is with RL-p15 happening is that WinISD suggests unrealistic volumes around 1/3 cu feet and with some iterrative process i came to 3.5 cu feet and Fs at 25Hz, the realistic Ftune would be 70-80Hz..:eek:. The output drops sihnificantly below 80Hz :dontknow: it is no go at all... Does anyone of you guys know what is going on with RL-p15 is such quality driver?
One thing when i compare the T-Small parameters from WinISD database the driver has the lowest Qts 0.18 of all three drivers but i know a lot of you guys here did great jobs with RL-p15 ported subs:help:
 

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#3 · (Edited)
Thank you for your time Mike, i downloaded the driver files in october from the WinISD database here from ht shack
(http://www.hometheatershack.com/for...sion/14410-downloadable-winisd-pro-files.html) :blink: unless they designed recently new driver RL-p15.
do you have an idea where comes the discrepancy for the RL-p15 from .. and in your design files how much is Qts? in my opinion a driver with lower Qts than 0.3 is incontrollable in the bass frequency range no matter how low is Fs.
 
#5 ·
my appologies i should have noticed it, do you think i am doing right choosing the RL-p15 cause it looks more powerfull than the TC LMS-R 15" DVC with the tripple magnet ring? And about the distortion, how do you think guys is it better than the mach5 and exodus tempest?
 
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