industry audio founded 1991 headquarters anaheim ca united states key people dr. poh ser hsu founder products loudspeakers signal processors website www.hsuresearch.com hsu research is a consumer loudspeaker manufacturer based in anaheim california . contents 1 about the company 2 background 3 products 4 external links 5 references about the company edit hsu research inc was created in 1991 . their initial focus was on subwoofers . the founder dr. poh ser hsu received his ph.d. in civil engineering from mit . dr. hsu also holds a patent for a high speed switching semiconductor . 1 background edit according to hsu s website the first product used sonotube a product used to make forms for concrete was seven feet tall and produced bass down to 16 hz . the next line of subwoofers the vtf series could be tuned for either bass extension or output . in 2003 a cheaper product line aimed at the mass market was created called the stf series . the patented ventriloquist six channel speaker system also came to market garnering many rave reviews including an editor s choice award from cnet and making the cover of ensible sound magazine . in 2006 dr hsu applied for patents on several new technologies including the turbocharger mid bass module positional optimization of low frequency reproduction and a way of bending a port tube so it will perform as well as a straight port . the vtf 3 ho was introduced this year utilizing the turbocharger and bent port patent filing . using a 12 inch woofer with xbl 2 linear motor technology licensed from adire audio the vtf 3 ho can achieve high levels of low distortion bass reproduction . in 2007 other implementations of patent pending technologies came to fruition in the form of the mbm 12 mid bass module the vtf mk 3 line and the hb 1 horn bookshelf hc 1 horn center horn based loudspeakers . the hb 1 2 way loudspeaker uses a constant directivity horn which provides a uniform off axis response offering accurate imaging and soundstage reproduction . in 2008 a 15 inch subwoofer the uls 15 was introduced . the uls 15 woofer features the xbl motor design from acoustic development international with linear large signal bl within 20 mm . the uls 15 also features robust 2.4 ghz wireless connectivity . hsu research sells their products exclusively via their web site . in 2010 the vtf 15h was finally introduced to the market . their first ported 15 subwoofer that provides extension flat down to 16 hz . the vtf 15h was also the first to feature the new integrated flare triangular port design allowing hsu to utilize the maximum port size for the subwoofer and to not be limited by the size of conventional rounded ports . in 2014 the vtf 15h mk2 was introduced along with the vtf 3 mk5 hp boasting a newly designed 15 driver with a 600w rms amplifier that pushed performance and value to new heights . products edit 1991 hrsw10 hrsw12 1994 12v 1994 10v 1995 hrsw12va 1996 hrsw210 1996 tn 825 1998 tn 1220ho tn 1225ho 1999 vtf 2 2002 vtf 3 2003 stf 1 stf 2 stf 3 vtf 2 mk 2 vtf 3 mk 2 vt 12 2006 vtf 3 ho hb 1 hc 1 2007 vtf 1 vtf 2 mk 3 vtf 3 mk 3 mbm 12 2008 uls 15 hb 1 mk 2 hc 1 mk 2 2010 vtf 15h 2011 vtf 3 mk 4 2014 vtf 15h mk 2 vtf 3 mk 5 hp external links edit vt 12 speaker system receives editor s choice award from cnet dr. hsu special guest forum thread on avs forum dr. hsu video interview by dr. john johnson of secrets of home theater and high fidelity dr. hsu interview by 1388 . com of singapore dr. hsu interview by goodsound outlaw audio dr. hsu was consulted to design outlaw audio subwoofers dr. hsu was the featured guest for the july 2008 boston audio society meeting references edit dr. hsu interview oc metro magazine february 15 2007 archived from the original on september 27 2007 retrieved from https en.wikipedia.org w index.php title hsu research & oldid 738238243 categories manufacturing companies established in 1991audio equipment manufacturerscompanies based in anaheim california1991 establishments in california navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 7 september 2016 at 19 13 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view