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1 tus neeg 3 sab iav hauv tsev chaw ua haujlwm xov tooj lub rooj muag khoom
DIY kev xaiv
1. Sab nrauv xim yog xaiv tau
2.Banner ntawv yog xaiv tau
3.Extra txee rau phab ntsa mounted rooj yog nyob ntawm yeem
4.Cov xim xim ntawm LED tuaj yeem xaiv ntawm 4000K thiab 6000K.
BLF-02 kev teeb tsa
Qauv | Techincal npe | Specification |
PAB-02 | 1. Sab nraud loj (cm) | W133 × D122 × H220 |
2. Sab hauv loj (cm) | W122 × D110 × H183 | |
3.1 Phab | 1-txheej txheej rau phab ntsa: 12mm thickness soundproof ntoo board | |
4.3 iav sab | 8mm tempered iav qhov rooj. | |
5. Teeb pom kev zoo | Ib qho 36W LED | |
6. Lub zog | 110 ~ 220V, 50Hz, 50W | |
7.Socket & hloov | 2 pcs sockets + 1 RJ45 qhov + 1 ob chav hloov | |
8. Qhov cua | 2 pcs ntawm 12V kiv cua + 2 cua inlet / qhov hluav taws xob ntawm lub qab nthab. | |
9. Docoration rau hauv pem teb | 1 pav. | |
10. Movable log | 4 pcs ib | |
11. Tsau struts | 4 pcs ib | |
12. Sab nraud suab rwb thaiv tsev | Kev kuaj mob: Hauv 9 square metres acoustics lab, theoretically, lub suab nrov sab nraud ntawm lub rooj muag khoom nce mus txog 80 ~ 90dB, suab rwb thaiv tsev txo 15dB sab hauv. Xws li lub tshuab nqus tsev lub suab nrov nrov (75 ~ 80dB, 500 ~ 2000Hz) thiab lub suab nrov qis ntawm txoj kev tsheb suab nrov (75 ~ 80dB, 200Hz). Txawm li cas los xij, hauv chav 400 square metres, lub suab nrov sab nraum lub rooj muag khoom tsis muaj suab nrov yog 90-100 decibels ntawm 1 meter nrug, thiab qhov kev sim tiag tiag yog cais cov suab nrov sab nraud los ntawm 32 ~ 36decibels. Piv txwv li, (91.2+ 102.2)/2-61.3 = 35.4dB. Cov cuab yeej ntsuas: decibel meter | |
13. Sab hauv suab rwb thaiv tsev | Kev kuaj mob: Hauv 9 square metres acoustics lab, theoretically, lub suab nrov sab hauv ncav cuag 80 ~ 90dB, sab nraud soundproof 20 ~ 25dB. Infact, nyob rau hauv 400 square meters qhia chav, txawm hais tias tsuas muaj ib txheej ntawm 10 hli iav suab rwb thaiv tsev qauv, lub zoo meej tsim thiab tsim nyog collocation yuav zoo heev txo lub rooj muag zaub suab nrov ntawm 26.3 ~ 32.05 decibels. Piv txwv li, (85.7 + 92.1) / 2-62.2 = 26.7dB. Thiab sab hauv lub suab rwb thaiv tsev yog lub luag haujlwm tseem ceeb ntawm lub rooj muag khoom soundproof. Cov cuab yeej ntsuas: decibel meter |
BLF-02 daim ntawv thov scenes
Hom: tsev xov tooj lub rooj muag zaub, portable hauv tsev chaw ua hauj lwm pod, soundproof chaw ua hauj lwm rooj & thiab lwm yam.
piav 2