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mestn pu
Pridružen/-a: Sre Jan 2009 22:21 Prispevkov: 2635 Kraj: domžale
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Objavljeno: Sre Avg 12, 2015 09:22 Naslov sporočila: Ultimativni infrabass subwoofer |
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Prijatelj Randy je zgradil nekaj, kar je dejansko ultimativni subwoofer..Hočem enega
Manjšega, seveda..!
This is an experimental Labyrinth Transmission Line with dual 15" drivers of very long excursion of 1.5 inches +/_. We were able to actually do 2Hz. 4Hz came on with significant power and 8Hz shook the very large hanger. This is the mother of all sub bass systems. It is also 98dB efficient so with 500 watts at our disposal we could do real damage. The Guinness Book of World Records is 4Hz by another TL. We handily exceeded it. It's a real Infra Bass.
I plan on using these (down in Reno) to sonically test some buildings we will be constructing. The Code on Sound Propagation cuts off at 125Hz which is near meaningless.
For completeness. They are flat to 12 Hz and with modest EQ flat to 8 Hz but still quite strong at 4 Hz and still pressurizing at 3 Hz. Tested by Thilo Stompler to be 93dB efficient at 12 Hz. His 15 inch woofers with a 1 1/2 inch LINEAR travel.
Mnenje Rogerja Skoffa o projektu..
Hi, Randy. Do you remember a test CD from some years ago that included a recording of an atomic bomb test blast and carried a warning that, because of a 4 Hz recorded fundamental, anyone who played it was at risk of destroying his system? Sounds like that might be just fine for what you've got there! _________________ Great people talk about ideas, average people talk about things, small people talk about other people. |
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LBaudio
Pridružen/-a: Ned Jan 2010 10:25 Prispevkov: 829 Kraj: Ljubljana, SLOVENIJA
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Objavljeno: Sre Avg 12, 2015 16:14 Naslov sporočila: |
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s katerimi driverjije je to narejeno....motorji spominjajo na Aura Sound z neodimium magneti, ampak mislim, da so imeli samo 18" v svojem arsenalu. _________________ For Fast Moving Concerts
Custom Aeroports
Custom car audio installs
2 X WR setter dBDrag street B - 2005 |
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mestn pu
Pridružen/-a: Sre Jan 2009 22:21 Prispevkov: 2635 Kraj: domžale
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Objavljeno: Pet Avg 14, 2015 10:09 Naslov sporočila: |
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LBaudio je napisal/a: | s katerimi driverjije je to narejeno....motorji spominjajo na Aura Sound z neodimium magneti, ampak mislim, da so imeli samo 18" v svojem arsenalu. | Ga bom vprašal ob priliki..Infrasube raznih varijant dela že dolgo in za mojo poslušalnico bi mi prišel prav kak manjši.
Recimo dva 25-30cm driverja-odvisno od velikosti kište..
Seveda se bom za fotofiniš kište in za driverje in morda za amp, obrnil nate, ker imaš tone prakse z sub driverji in subi in se mi res ne da brcat v temo glede tega..
Ravnokar sem razvil do konca odličen povezovalni kabel(MK3 verzija) za powered sube.
Na primerjalnih testiranjih je gladko povozil konkurenco Sub kablov, ki so jih fantje že imeli doma in se udomačil v kar nekaj vrhunskih sistemih.. _________________ Great people talk about ideas, average people talk about things, small people talk about other people. |
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LBaudio
Pridružen/-a: Ned Jan 2010 10:25 Prispevkov: 829 Kraj: Ljubljana, SLOVENIJA
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Objavljeno: Sob Avg 15, 2015 12:15 Naslov sporočila: |
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tukaj je nekaj malega o Auri, ampak zgleda da ni enak driver kot zgoraj na sliki...druga kosara, ampak enak magnet.
http://www.goodsoundclub.com/Forums/ShowPost.aspx?PageIndex=1&postID=4177#4177
Lahko gre tudi za kaksen custom sestavljen driver...aura motor, kosara kot pri GZ plutonium seriji (jo uporablja se kup drugih), soft parts? _________________ For Fast Moving Concerts
Custom Aeroports
Custom car audio installs
2 X WR setter dBDrag street B - 2005 |
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Ne, ne moreš dodajati novih tem v tem forumu Ne, ne moreš odgovarjati na teme v tem forumu Ne, ne moreš urejati svojih prispevkov v tem forumu Ne, ne moreš brisati svojih prispevkov v tem forumu Ne ne moreš glasovati v anketi v tem forumu
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