睇戲你開幾大聲...calling jessica

hactl

一般開65-70----150尺廳

aw11onfire

Accroding to Dolby, LFE max recorded level is 115db. If sound output level was measured at 125db , the amp volume should be +10db?? May be it is a peak output level or I'm wrong.
ryanenen 發表於 2009-10-10 23:14

maybe that sound track wasn't dolby compliant .....
but remember subwoofers have their own amplifiers ....
no meaning for a "max recoded level"

alzard

Accroding to Dolby, LFE max recorded level is 115db. If sound output level was measured at 125db , the amp volume should be +10db?? May be it is a peak output level or I'm wrong.
ryanenen 發表於 2009-10-10 23:14

Don't forget room gain and other factors when you do the measurement :)

cessna

我就多數-15至-10

rlwk2009

用中置做標準,其他跟中置
timmywan 發表於 2009-10-11 00:34

我都係用喱種方法，效果唔錯

aw11onfire

jessica係聾嫁,你唔好call佢啦
timmywan 發表於 2009-10-11 00:40

IDM

805, 75db ref, -18db normal~

bbsai

http://www.hometheaterhifi.com/v ... nel-april-2000.html

reference link

ricoy288

-18 to -30db.

睇下咩時間用．

Beginner

I am using Denon 1909

For concert, up to -10db
General use is -25 ~ -30db