ʻO kēia poʻomanaʻo kīkī kani ka luna o kona papa
ʻO ka Bose QuietComfort 15 he lōʻihi ke kumu no ka hoʻonā kani-leo no ka mea, uaʻoi aku ka maikaʻi o ka hoʻonāukiukiʻana ma mua o nā mea'ē aʻe, a ua kani maikaʻi. Hoʻokomoʻo Bose iā ia me ka Quiet Comfort 25 i ka makahiki 2014, he poʻo kelepona e like me ia a hāʻawi mai i kahiʻano hou: Kūkulu ka QC25 i ke ala pāʻani i ka wā i pahu iho ai nā pihi,ʻaʻohe i hanaʻia e QC15.
01 o 09
ʻO ka New Version o ke Kānā Mea Hana
ʻO Bose ke koi nei i ka QC25ʻano maikaʻi,ʻoi aku kaʻoluʻolu, a ua hanaʻia mai nāʻanoʻoihana kiʻekiʻe aʻe me kaʻoiʻoiʻoi aʻe ma mua o kona mau mua. Ke hele mai neiʻo QC25 me ka hihia iʻoi aku kaʻoi aku o ka maʻalahi ma mua o ka mea i hāʻawiʻia me QC15. Loaʻa iā ia ke kaula kuhi hou i hiki ke hoʻopiliʻia me ka peʻahi style style bayonet ma QC15.
02 o 09
Bose QC25: Nā Āhua a me nā Haumāna
ʻO Bose QC25 mau pūnaewele:
- 4.5 ft / 1.4 m me ke kaula hiki ke hoʻopaʻaʻia me ka mic / mamao
- Hoʻopau ke kani uila me ka pākuʻi / pa
- Hoʻokahi pono AAA e makemake
- Ke hele pāʻani i ka holoʻana o nā pihi
- ʻO ka hihia hoʻopiʻi i komo
- ʻO ke kaumaha: 6.9 oz / 196 g
Hiki iāʻoe ke haʻi mai ke kiʻi,ʻo ka QC25 ma ka hema e pili kokoke ana i ka QC15 ma ka'ākau.
ʻO ke kihi nui maʻaneʻi,ʻo ia hoʻi ka hanaʻana o QC25 i ka wā e holo ai ka pakuhi. Eia kekahi, ua liʻiliʻi kona hihia,ʻoi aku i ka hapalua aʻoi aku ka maʻalahi o ka paleʻana i loko o kahiʻeke rorohiko.
ʻO ka noʻonoʻo a me ka hōʻoluʻolu o nā pūkunikoliʻelua e like me ia, a he maikaʻi ia no ka meaʻoi aku kaʻoluʻolu o kēia mau pepeiao i ko lākou mau mea hoʻokūkū. No ka kani, hiki ke paʻakikī. Hiki i ka hoʻohemoʻana o Bose ke kū'ē i nā mea hoʻokūkū no ka mea aia nā kamaliʻi i nā mana he nui ma ka hana.
03 o 09
Bose QC25: Ka hana
ʻO ka QC25 a me ka QC15 he nui loa nā mea likeʻole i ko lākouʻano'ē. ʻO ke kumu nui ka mea i loko o ka pā. Makemake nā QC25 i kahi peʻa ikaikaʻoi aku i ka haʻahaʻa haʻahaʻa, hiki paha i kahi 40 hertz a lalo iho, e hāʻawi ana i ka pahu pahu a me nā kumu haʻahaʻa o ka guitar bass iʻoi aku ka ikaika a me ka pila. Ma kēia ke hana nei ka QC25 i kahi mea liʻiliʻi e like me ka mea i hanaʻia e Beats.
ʻO ka hanana haʻahaʻaʻo QC25 me ka mea e hoʻopili i ka liʻiliʻi haʻahaʻa, hiki ke hoʻonui i nā kani. Loaʻa ka hoʻonui i ka hoʻonuiʻana i nā huahana ma kahi haʻahaʻa haʻahaʻa, ma kahi o 2 aiʻole 3 kHz.
ʻAʻole i loaʻa i nā pahu pepeiao ke kumu no ka hoʻokaniʻana i ke kūlana kūlana maikaʻi a maikaʻi paha me nā mele leo maikaʻi. ʻO ka QC25ʻoihana ikaika a me ka hoʻopunipuni ka mea kani i ke kani e like me ka haʻahaʻa.
ʻO ka hana ākea o QC25 me ka paʻiʻana i ke kani me he leoʻole a me keʻano o keʻano, me ka nuiʻole o nā hiʻohiʻona a hohonu paha, akā,ʻoi aku ka maikaʻi ma mua o nā pepeiao pepeiao i nāʻoihana ukali.
Ma ka holoʻana, hana ka QC25 i ka hana nui no ka hoʻopauʻana i ka hoʻopiliʻana i nā engines jet a me kahi hana kūpono no ka ho'ēmiʻana i ka walaʻau o ka hoʻolāʻau hauʻoli a me nā kūkākūkā'ē aʻe.
04 o 09
Nń Pahu: Ka Haawina Uiho
Hōʻike ka pakuhi i ka pane wikiwiki a QC25 ma ka hema a me ke kahawai, me ka hoʻoneʻeʻana o ka leo. ʻAʻohe mea kūpono loa i ka paneʻana me ka hoʻonā kani. He kūpono "ma ka puke" pane paneele iʻole e loaʻa i nā kala kalaʻeha. ʻIke i keʻano, heʻanoʻokoʻa ke kani a me ka hoʻoneleʻana i ka leo; he hohonu ka hohonu,ʻoi aku waena waena a me nā pae kiʻekiʻe, a -5 a -10 dB iʻole ka pane.
05 o 09
Nń Pahu: Nānā NC a me ka hana kūpono vs. QC15
Hōʻike kēia palapala i ka pane a QC25 me NC ma NC a i ka pane o ka QC15 me NC ma. (ʻAʻole e hanaʻo QC15 me NC off). Hoʻoihoʻia ka NC-ma nā ana i 94 dB ma 500 Hz. ʻIke i keʻano,ʻo ka QC25 kahi i hoʻohālike i nāʻano hana likeʻole me QC15. ʻO ka'ōnaehana hou he haʻahaʻa haʻahaʻa haʻahaʻa, kahi liʻiliʻi liʻiliʻi ma waena o ka 1 kHz, a heʻelua mau dB iʻoi aku ka ikaika ma luna o 2 kHz. Ua maopopo keʻano o ka loina QC25 i kahi hanana (NC-off) he nui loa ka mea likeʻole mai ke poʻo keʻokeʻo ma ka hana (NC-on).
06 o 09
Nń ana: Hoʻola
Hōʻike kēia pakuhi i ke kaʻawaleʻana o ke kōmikeʻo QC25 me NC NC (ka'ōmaʻomaʻo'ōmaʻomaʻo) a me ka NC ma (purple trace), ke hoʻohālikelikeʻia me QC15. Nā papahana ma lalo o 75 dB e hōʻike ana i ke kauʻana o ka leo o waho-no ka hiʻoʻana, 65 dB ma ka pakuhi pili i ka hoʻonuiʻiaʻana o-10 dB i nā kani waho ma kēlā leo kani. ʻO ka lalo ka laina ma ka pakuhi,ʻo ka maikaʻi.
Hoʻokaniʻia nā leo loeaʻelua i ka hoʻopau maikaʻi loa. Eia naʻe, 'aʻole i manaʻo ka QC25, ma ka liʻiliʻi ma kēia ana, e hoʻonui i ka nui ma ka hana QC15. Keʻikeʻia nei he mea iki e ka QC15 ma waena o 200 a 600 Hz.
07 o 09
Nń Pahu: Nānā Nānā
Hōʻike kēia sakuhi i kahi'eneke'ōlohelohe o QC25 me NC ma. Hōʻikeʻia nā kaha nui o nā'āpana blue blue. Hōʻike kēia i kahi kūlana haʻahaʻa o ka resonance i loko o nā kīhapu, akā, he kaha ka hopena ma kahi o 1.35 kHz.
08 o 09
Nń ana: Ka Hoʻokaʻawale a me ka
Hōʻike kēia pakuhi i ka hoʻokaʻawale o ka harmonic o ka QC25 i anaʻia he 90 a me 100 dBA. ʻO kēia mauʻano pepeiao kiʻekiʻe loa -ʻaʻoleʻoe e hoʻolohe i kēlā leo. ʻO ke kumukūkē he mea liʻiliʻi kiʻekiʻe, akā,ʻo ka hapanui ma nā ala liʻiliʻi. ʻO ka helehelena 90 dBA keʻano likeʻole me ka hapaʻole o ka'ōwili i ka waena a me ke kuʻi a me 4% THD ma 20 Hz. Ma ka 100 dBA, aia kekahi mahele o ka mokomoko ma waena o 2 a me 3 kHz, a me kahi'āpana haʻahaʻa haʻahaʻa (3 pakeneka ma 60 Hz a ma lalo iho, e piʻi ana i kahi o 6 pakeneka i 20 Hz). Hiki iāʻoe ke lohe i kēia? ʻAʻole paha. ʻO ka paepae no ka hoʻowalewale loheʻana i nā hoʻowalewale subwoofer i ka manawa he 10 mau pakeneka.
Ua loli iki ke alapine ke alapine me ke alapine hōʻikuʻi (75 ohms), a hoʻohālikelike i nā mea āu e lohe ai i ka wā e hoʻohana aiʻoe i ka leo poʻokela poʻokela likeʻole me nā mea i kūkuluʻia i loko o ka polokalamu laptops. Ua ho'ēmiʻia nā kīʻaha e about -4 dB ma 20 Hz, a me ke ala e kahi -1DB ma mua o 4 kHz. ʻIke loa, e hana iki neiʻo Bose i kahi meaʻuʻuku maʻaneʻi.
Me ke anuanu i 32 ohms, ua anaʻia me ka signal 1 mW ma waena o 300 Hz a me 3 kHz i ka 32 ohms impedance, he 97.2 dB ma ke kiʻina holoʻokoʻa (NC-off) a me ka 101.3 dB ma ka hana (NC-on). Ua lawa kēia no ka hāʻawiʻana i ka nui o nā leo mai kēlā me kēia kumu me NC me ka lawaʻole i nā kumu ākeaʻole me nā NC iʻole.
09 o 09
Bose QC25: Hopena Hope
Uaʻoi aku ka maikaʻi o ka QC25 ma mua o kona kūlana iʻekolu mauʻano: Heʻano mālie ia, heʻuʻuku kona hihia, a ke kani ke kani a hiki i ka wā o ka pakuhi e holo ai. Mai kahi hiʻohiʻona o ka hana, uaʻaneʻane e like me ka hoʻohaʻahaʻa ikiʻana o nāʻano o QC15.