NAD Viso HP-50 Matakan

01 na 07

NAD Viso HP-50 Amsar Amsa

Ga yadda zan auna aikin da ake yi na Viso HP-50. Na yi amfani da na'urar GRAS 43 / kunne, mai daukar hoto na Clio 10 FW, kwamfutar tafi-da-gidanka mai aiki na software na TrueRTA tare da M-Audio MobilePre na kebul na Intanet, da kuma Fidelity na Musamman V-Can amplifier. Na ƙaddamar da ma'auni don kulawa da sauraron kunne (ERP), maimakon ma'anar sararin samaniya inda hannunka ya kulla tare da bayanan kunne na kunne lokacin da ka danna hannunka a kunnenka - kuma game da inda fuskar direbobi na HP-50 ke yi zai zauna lokacin da kake sa shi. Na matsar da kunne a kusa da dan kadan a kunnen kunne / kullin na'urar kwaikwayo don neman matsayi wanda ya ba da amsa mafi kyau na bass kuma mafi girman halayyar sakamakon.

Shafin da ke sama yana nuna nunawa ta mota na HP-50 a hagu (blue) da dama (ja). An dauki wannan ƙaddamar a matakin gwaji wanda aka rubuta zuwa 94 dB @ 500 Hz, kamar yadda aka bada shawarar a daidaitattun launi na Iphone 60268-7. Akwai ƙananan yarjejeniya game da abin da ya kasance mai karɓa na "mai kyau" a cikin kunne, amma wannan ginshiƙi ya baka damar samun ra'ayi na yadda ake yin amfani da HP-50.

Hanyoyin da HP-50 ta yi yana kama da inganci lokacin da aka kwatanta da mafi yawan wayoyin kunne na auna, tare da ƙaramin haske a cikin tayi tsakanin 2 kHz da 8 kHz. Bambanci a cikin amsawar bass na tashoshin biyu yana yiwuwa saboda bambance-bambance da ya dace akan kunne / kullin na'urar kwaikwayo; duka suna wakiltar amsa mafi kyau na bass na iya samun daga kowane tashar.

Sensitivity of the HP-50, wanda aka auna tare da siginar 1 mW da aka ƙayyade domin ƙaddarar 32 ohms da kuma ƙaddara daga 300 Hz zuwa 3 kHz, shine 106.3 dB.

02 na 07

NAD Viso HP-50 vs. PSB M4U 1

Tasirin a nan yana nuna amsawa ta mita na HP-50 (alama mai launi) idan aka kwatanta da PSB M4U 1 (filin kore), wanda Paul Barton ya bayyana. Kamar yadda kake gani, ma'aunin suna da kama da irin wannan, tare da HP-50 tare da raƙuman makamashi a kusa da 1 kHz kuma dan kadan kadan makamashi a kusa da 2 kHz.

03 of 07

NAD Viso HP-50 Response, 5 vs. 75 Ohms

Sakamakon karɓa na HP-50, tashar dama, lokacin da samfurin (Fedelity V-Can) ya ci abinci tare da nauyin haɓakar ƙaran 5 ohms (red trace), tare da 75 watst impedance output (kore alama). Da kyau, layin ya kamata ya fallasa daidai - kamar yadda suke yi a nan - wanda ya nuna cewa nau'in tonal na HP-50 ba zai canza ba idan ka haɗa shi zuwa wani ƙarfin tushe mai mahimmanci, kamar wadanda suke cikin kwamfyutocin kwamfyutoci da ƙananan wayoyin salula.

04 of 07

NAD Viso HP-50 Spectral Decay

Sakamako na launi (waterfall) makircin HP-50, tashar dama. Tsawon zane-zane na tsawon lokaci yana nuna alamu, wanda ba a so. Wannan muryar ta nuna matukar raguwa (kuma mai yiwuwa kawai dan kadan idan an ji shi) resonances a 1.8 kHz da 3.5 kHz.

05 of 07

NAD Viso HP-50 Zubar da ciki

Ƙasar jituwa da yawa (THD) na HP-50, tashar dama, aka auna a matakin gwaji da aka kafa ta wurin karar murmushi a matsakaicin matakin 100 dBA. Ƙananan wannan layin yana kan chart, mafi kyau. Hakanan zai kaddamar da iyakar ƙasa na ginshiƙi. Rarraban HP-50 yana da ƙananan ƙananan, daga cikin mafi kyau na auna.

06 of 07

NAD Viso HP-50 Ba daidai ba

Rashin kamfani na HP-50, dama tashar. Yawanci, rashin daidaituwa da ke daidai (watau, ɗakin) a kowane bangare ya fi kyau. Halin na HP-50 yana da inganci, ƙaddarar 37 ohms.

07 of 07

NAD Viso Ruɗar HP-50

Ƙaddamar da Viso HP-50, dama tashar. Matakan da ke ƙasa 75 dB suna nuna alamar muryar waje - watau, 65 dB a kan ginshiƙi yana nufin rage -10 dB a waje da sauti a wannan sautin mitar. Ƙananan layin yana kan chart, mafi kyau. Samun haɗin HP-50 yana da ban mamaki ga muryar murya mai saurin murya, rage girman sauti daga -15 dB a 1 kHz kuma ta yadda -40 dB a 8 kHz. Yi la'akari da cewa babu wani raguwa mai mahimmanci a ƙananan ƙananan 200 Hz, don haka HP-50 ba zaiyi yawa ba don yanke fasahar motar jet.