01 ya 05
Kuthandizidwa Kwambiri Ndi Malamulo a Fizikiki
SVS, kampani yomwe yadziwika kwambiri ndi subwoofers kwa zaka zoposa 20, inangoyambitsa zitsanzo ziwiri zatsopano, $ 699 SB-2000, zomwe ndangoyang'ana , ndi $ 799 PB-2000 . Onsewa amagwiritsa ntchito amplifier yatsopano ya 500-Watt RMS Class D ndi dalaivala wapamwamba kwambiri wokwana 12-inch . Ndipo iwo ali pokhapokha phunziro lalingaliro momwe kapangidwe ka subwoofer kamangidwe kamasinthira mkokomo wake.
SB-2000 ndizojambula bokosi losindikizidwa, pamene PB-2000 ikuwonekera. PB-2000 imakhalanso yaikulu kwambiri, pa maulendo 2,7 omwe ali ndi SB-2000.
Monga chithunzi chojambula, PB-2000 akhoza kuyembekezera kukhala ndi mayankhidwe ozama, koma kuwonjezereka kwakukulu pamagulu pansi pa chiwonetsero chake. Kuwunikira kumaloko kumakhala ndi minofu yambiri yam'munsi kusiyana ndi mgwirizano wosindikizidwa, ndipo amatha kukhala ndi chidwi chachikulu komanso apamwamba kwambiri. Komabe, nthawizina alibe phokoso ndi ndondomeko ya subwoofers yabwino kwambiri yosindikizidwa.
Kotero tiyeni tiwone momwe chachikulu ichi, chowoneka moyipa chikuyerekeza ndi m'bale wake wa bokosi losindikizidwa.
02 ya 05
SVS PB-2000: Zolemba ndi Kukhazikitsa
• Woofer 12-inch
• Watts 500 RMS / 1,100 Watts Chidule cha D D amplifier
• Kulembera kwa analogue RCA stereo ndi kutulutsa
• kuteteza gawo la 0-180 °
• Mpikisano wafupipafupi wa 50 mpaka 160 Hz crossover
• Kuyika kwa 3.5mm kupititsa patsogolo popita
• Kuyeza 20.5 x 17.3 x 22 mu / 521 x 439 x 559 mm (hwd)
• Kulemera kwa 65.6 lbs / 29.8 kg
PB-2000 phukusili ndilofanana ndi SB-2000. Zonsezi sizimakupatsani zinthu zochititsa chidwi, koma ndikukhulupirira kuti ngati mukugwirizanitsa subwoofer ku A / V receiver, ndikugwiritsa ntchito kubwezeretsanso kuti mugwire mtanda (dera lomwe limayendera pansi mpaka pansi pa subwoofer ndi mids ), simukusowa zambiri kuposa kulamulira kwa msinkhu.
Monga momwe mungayembekezere, kukhazikitsidwa kunali kofanana ndi SB-2000. Ndinayendetsa PB-2000 m'chipinda changa cha "subwoofer malo okoma" - malo omwe ndimayesa pafupifupi subwoofers onse - ndikugwirizanitsa kuonjezera kwa LFE ku gawo langa la Deno receiver subwoofer. Kenaka ndinasintha kayendetsedwe ka kanjira ndikuyamba kuyesedwa. Mfundo yachinyengo yomwe ndinasankha inali ya 80 Hz pamene ndinayendera PB-2000 ndi owerenga a Revel Performa3 F206 ndi Monitor Audio Radius 270 mini speaker, ndi Hz 100 pamene ndinapangana pa PB-2000 ndi Sonance SB46 L
03 a 05
SVS PB-2000: Kuchita
Werengani "Nyimbo Zanga Zokondedwa Zambiri za Stereo" kuti mudziwe zambiri komanso zitsanzo za zolemba zanga.
Poyesa PB-2000, ndinaziyerekezera ndi SB-2000 komanso ndikulemba subwoofer, Hsu Research VTF-15H yomwe imagwiritsidwa ntchito muzosindikizidwa ndi ma-1-port-open-modes.
Nditangokhalira kukonzanso nyimbo ya "Tom Waits" ya "Tom Waits" ya "Tom Waits", ndimamva nthawi yomweyo kuti PB-2000 imasiyana ndi SB-2000. Palembedwe yoyamba ya bassist David Piltch, yomwe ingayambitse kusokoneza, PB-2000 idasewera popanda kusokonezeka kumveka, komanso ndi mphamvu yolandirira mpando wa shakin. Pamene Piltch analowa mndandanda wapamwamba pazitsulo zake, komabe, ndinamva kuti PB-2000 analibe chiganizo chapakati ndi chapamwamba cha SB-2000.
A Steely Dan a "Aja" adapereka zotsatira zofanana. PB-2000 inamveka yoyera komanso yeniyeni, siinatchule khalidwe la gitala - mau, zozizwitsa, ndi zina zotero. Koma zinakhala zokhutiritsa kwambiri kuposa SB-2000, zosavuta Ndemanga zomwe zing'onozing'ono zosindikizidwa zidagonjetsedwa pang'ono.
Pa synthpop gulu la Olive la "Falling" - nyimbo yovuta yonena kuti SB-2000 inasewera mosamalitsa bwino kukula kwake - PB-2000 sizinangobweretsanso zilembozo, zinangokhala ngati zida zazikulu mu kampani yabwino PA , mopanda mphamvu, mphamvu zofiira komanso zovuta zowonongeka.
Zinatenga mchitidwe woyesera kwambiri, zojambula za Saint-Saëns 'Symphony No. 3 "Organ Symphony" kuchokera ku CD ya Boston Audio Society Test, kuti apeze malire a PB-2000 - ngakhale ngakhale izo zangoponyera pansi za malo ake otonthoza. Mauthenga 16 otsika kwambiri a Hz amapanga zolakwika pang'ono koma tchutchutchu ndikugwedezeka ndikumverera kosavuta kwanga kuti ndikhoza kudutsa ndi maulendo aakulu kwambiri, monga PC H-VT HS VTF-15H kapena SVS. Mfundo zochepetsetsa zinabweretsa mphepo yochokera ku doko, kenaka, chinachake chomwe ndinakumana nacho muyeso yanga CEA-2010A.
Mafilimu sali chinthu changa chachikulu pa Stereos ya About.com; ndilo chigawo cha About.com Home Home Expert Page a Robert Silva. Koma ndinapitiliza kupatsa PB-2000 ndi Star Wars, Gawo II: Kuthamangitsidwa kwa Clones , komwe kumayambira ndi zida zakuya ndi zamphamvu monga yacht yachinyumba ikuuluka pamwamba ndikuphulika. PB-2000 anagwedeza kwathunthu chiyeso chovuta ichi, ndikugwedeza gehena kuchokera pa mpando wanga ndikumveka ngati momwe zinalili ndikupukuta mlengalenga. Ndinadabwa kwambiri moti ndinalemba m'mabuku anga, "Ichi ndi chilichonse chimene ndingathe kuchifuna panyumba ya masewera." Zindikirani kuti ndinati "... zonse zomwe ndingathe kuzifuna ..." chifukwa sindimasewera maulendo anga nthawi zonse. Ngati mutero, muyenera kuganizira subwoofer yochuluka, kapena kuwonjezera yachiwiri PB-2000.
Ndinaganiza kuti PB-2000 idayanjanitsidwa bwino ndi a Revel F206 ofotokoza okamba, koma chifukwa cha kusowa kwa phokoso lapamwamba, sindinaganize kuti zinali zofanana kwambiri ndi bwalo lamakono la Sonance SB46 L, lomwe limagwira bwino ntchito Makina oposa 100 a HV subwoofer. Ngati mukugwirizanitsa gawo lanu ndi oyankhula bwino kwambiri, kapena mumagwiritsa ntchito chipinda chaching'ono (kunena, 2,000 cm osachepera), SB-2000 mwina ndi betu yabwino kwa inu.
Mukufuna lingaliro lachiwiri? Werengani ndemanga ya Chris Heinonen pa Zochitika Zanyumba Zowonetsera.
04 ya 05
SVS PB-2000: Njira
Kawirikawiri Yankho
17 mpaka 165 Hz ± 3 dB
Crossover Low-Pass Rolloff
-24 dB / octave
Max Output CEA-2010A Traditional
(1M pic) (2M RMS)
40-63 Hz tsamba 119.7 dB 110.7 dB
63 Hz 120.5 dB 111.5 dB
50 Hz 119.5 dB L 110.5 dB L
40 Hz 119.1 dB L 110.1 dB L
20-31.5 Mphindi 116.3 dB 107.3 dB
31.5 Hz 118.6 dB L 109.6 dB L
25 Hz 116.6 dB L 107.6 dB L
20 Hz 112.8 dB 103.8 dB
Tchati cha pamwambachi chikuimira mafupipafupi omwe amayankhidwa a PB-2000 ndi maulendo a crossover omwe amawonekera (green trace) ndi 80 Hz (trace purple). Ndinayesa yankho ili poyandikira-kukakamiza dalaivala ndi doko, ndikuyesa chiwerengero cha doko ndikuchiphatikiza ndi chiwerengero cha doko. Zida zanga zinali zojambula za audio Audiomatica Clio 10 FW ndi maikolofoni a MIC-01.
Ndinachita zochitika za CEA-2010A chimodzimodzi ndi SB-2000, pogwiritsa ntchito maikolofoni ofunika a Earthworks M30, mawonekedwe anga a M-Audio Mobile Pre USB komanso software ya freeware CEA-2010 yomwe Don Keele, yomwe imayendera pa Wavemetric Igor Pro mapulogalamu a sayansi. Ndinachita izi pamtunda wa mamita 2, ndipo ndinaziika pa 1 mita imodzi yofanana ndi zofunikira za ECA-2010A. Maselo awiri omwe ndapereka pano - CEA-2010A ndi njira za chikhalidwe - zimagwira ntchito mofananamo, koma miyambo yomwe amagwiritsidwa ntchito ndi mawebusaiti ambiri ndi opanga mapulogalamu ambiri amapanga zotsatira zowonjezera 2-mita RMS, zomwe ndi -9 dB pansi kuposa CEA-2010A. L loyandikana ndi zotsatira limasonyeza kuti zotsatirazi zinkalamulidwa ndi dera la subwoofer mkati mwake (mwachitsanzo, malire), osati kupitirira malire a CEA-2010A. Mawoti amawerengedwa mu pascals.
Izi ndizopangidwe zabwino kwambiri zowonjezerapo kwa se-subwoofer 12-inchi, $ 799. Iwo amagwa mofulumira -4 mpaka -6 dB amanyazi a zomwe ndaziyeza kuchokera pazabwino kwambiri ndi zabwino kwambiri, komabe kuyankha kwa mayankho ndi kuwonongeka mwazomwe amagwiritsira ntchito kumakhala kochititsa chidwi, ndipo zotsatira zake zingakhale zovuta kwambiri okonda masewera kunyumba angagwiritse ntchito.
Pa Hz 20, komabe ili ndi phokoso la phokoso pa mayeso a CEA-2010A. Mwina simungamve izi chifukwa pali nyimbo zazing'ono 20 za Hz m'masewera ndi mafilimu, koma ndi ma voti a CEA-2010A 20 Hz, zimveka ngati njovu.
05 ya 05
SVS PB-2000: Kutenga Kutsiriza
PB-2000 ndi gawo lopambana kwambiri la subwoofer. Imayandikira ntchito ya subwoofers yabwino kwambiri; Kusiyana kokha kumene inu mumva ndi ochepa dB pang'ono kutuluka. Koma moona mtima, mwina simungachiphonye konse, kupatula ngati inu muli wothamanga amene amagwiritsa ntchito subwoofer nthawi zonse ndipo samayang'ana kanthu koma mafilimu zochita.
Ndimakonda SB-2000 pang'ono nyimbo, koma minofu yoyenerera ya PB-2000 m'munsi mwa mabasi, kuyambira 20 mpaka 40 Hz, imapanga chisankho chokwanira ngati muli ndi malo ake.