確實想換整機,但想問問variable speed會比2 stage安靜很多嗎?
所有跟帖:
• about 10dB difference close to blowing motor. about 10x -RomaVacation- ♂ (613 bytes) () 04/25/2024 postreply 11:23:02
• 這是內機還是外機的區別呀?我隻需要內機安靜點 -kitfrommars- ♀ (0 bytes) () 04/25/2024 postreply 12:21:39
• Blowing motor noise (in door). No one know how good sound -RomaVacation- ♂ (96 bytes) () 04/25/2024 postreply 23:44:40
• Db 是對數, 10DB 能量差10倍。 3db差不對是2 x倒是沒錯 -Ridetolight- ♂ (0 bytes) () 04/25/2024 postreply 14:44:13
• Thanks for pointing that. I fixed it. I used 10dB~ 3x3dB -RomaVacation- ♂ (0 bytes) () 04/25/2024 postreply 23:45:58