the mange Posted December 26, 2009 Report Posted December 26, 2009 I've noticed all these t-line enclosures are powered by ~500 watts. If I build a t-line for my friend's 12" tuned around 30 hz with 2000 watts, would it be beyond absurd spl wise?
sven6977 Posted December 27, 2009 Report Posted December 27, 2009 i dont think 1/3 wave works. You are correct sir. In physics, octaves in this kind of setup follow the even lengths like 1/2, 1/4, 1/8. also, you could do a full wave.... it would just be a huuugggeeeeeeee box Rowan University Electrical Engineering LINK TO MY BUILDDDDD Current Setup in my 00' Hyundai Accent: Pioneer DEH-P6900UB RE.6.5C AUDIO 500w 6.5" COMPONENT CAR SPEAKERS Eclipse SE 6500 (6.5 coax in rear deck) two Kicker C124's in a t-line tuned to 28.6Hz Kenwood KAC-7204 US amps 1600.4 V2 Upcoming Build this summer: T-Line enclosure for two C124's tuned to 28ish hz O_O amp my speakers with a US amps 1600.4. Second Skin Should be fun
sven6977 Posted December 27, 2009 Report Posted December 27, 2009 I've noticed all these t-line enclosures are powered by ~500 watts. If I build a t-line for my friend's 12" tuned around 30 hz with 2000 watts, would it be beyond absurd spl wise? That mainly depends on the woofer. what does your friend have? Rowan University Electrical Engineering LINK TO MY BUILDDDDD Current Setup in my 00' Hyundai Accent: Pioneer DEH-P6900UB RE.6.5C AUDIO 500w 6.5" COMPONENT CAR SPEAKERS Eclipse SE 6500 (6.5 coax in rear deck) two Kicker C124's in a t-line tuned to 28.6Hz Kenwood KAC-7204 US amps 1600.4 V2 Upcoming Build this summer: T-Line enclosure for two C124's tuned to 28ish hz O_O amp my speakers with a US amps 1600.4. Second Skin Should be fun
the mange Posted December 27, 2009 Report Posted December 27, 2009 That mainly depends on the woofer. what does your friend have? He doesn't have the woofer yet, but he's looking at a 12" fi btl (fs=37.9 hz, qms=5.28, qts=.19) or a Hifonics Olympus 2412 (fs=34, qms=3.8, qts=.513). What other woofers should he consider if we're building a t-line for it?
the mange Posted December 27, 2009 Report Posted December 27, 2009 You are correct sir. In physics, octaves in this kind of setup follow the even lengths like 1/2, 1/4, 1/8.also, you could do a full wave.... it would just be a huuugggeeeeeeee box also, according to one of the links somewhere around page 20 you can do 1/4, 3/4 and 5/4. If we're talking about a sinusoidal function, using a 1/4, 3/4 or 5/4 length it seems is tuning such that the wave is at a crest upon exiting the port: (referring to the bottom sine wave)
antwan911 Posted December 31, 2009 Report Posted December 31, 2009 I tried out my first t-line enclosure today! Here's a link to a little video for your viewing pleasure.
sven6977 Posted January 3, 2010 Report Posted January 3, 2010 also, according to one of the links somewhere around page 20 you can do 1/4, 3/4 and 5/4. If we're talking about a sinusoidal function, using a 1/4, 3/4 or 5/4 length it seems is tuning such that the wave is at a crest upon exiting the port: I stand corrected. its been a long time since i took a physics class, but like i said, it is all physics Rowan University Electrical Engineering LINK TO MY BUILDDDDD Current Setup in my 00' Hyundai Accent: Pioneer DEH-P6900UB RE.6.5C AUDIO 500w 6.5" COMPONENT CAR SPEAKERS Eclipse SE 6500 (6.5 coax in rear deck) two Kicker C124's in a t-line tuned to 28.6Hz Kenwood KAC-7204 US amps 1600.4 V2 Upcoming Build this summer: T-Line enclosure for two C124's tuned to 28ish hz O_O amp my speakers with a US amps 1600.4. Second Skin Should be fun
merk_master Posted January 20, 2010 Report Posted January 20, 2010 Can someone tell me how to do a multiple woofer setup? i need to know how to position the subwoofers in the enclosure hopeful noob
Jybfan04 Posted January 20, 2010 Report Posted January 20, 2010 I can't wait till this thread is updated!
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