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何謂active/passive speaker?

如題
active / passive speaker? what is it, i just know active/passive voice
Active:
The speaker does not need a ampifier, it has a ampifier build it so all it need is a power (electricity)

Passive:
It need a ampifier to make sound.  You cannot just connect it to your sound card. Also, you cannot connect it to the power outlet on the wall
thx, 我見的d speaker有音量control,是不是同active/passive 有關?
Active  : 無源的, 需要有外置擴音機推動.
Passive: 有源的(內建擴音機推動) 如 sub-woofer, 或 PC Speaker (要插電果D)

Details:
http://www.ftaudio.com/ftaudiofaq.htm

See sample:
http://www.mega-audio.com.hk/e/p ... list.asp?brand_id=5

[ Last edited by d228216 on 2005-5-3 at 12:33 PM ]
1234567
Originally posted by johnwu at 2005-4-30 12:08 PM:
Active:
The speaker does not need ...
Just vice-versa
1234567
Originally posted by d228216 at 2005-5-3 12:30 PM:

Just vice-versa
I think it's the other way around.
What you're refering is for a control unit.
We are talking about speakers.
http://www.mmproductions.co.uk/faqspe4.html

Active=Powered=No external Ampifiler needed
Most Sub-woofer and computer speaker

Passive=Need and Ampifiler
Most common home audio speaker
Originally posted by hkcitywong at 2005-5-3 12:17 PM:
thx, 我見的d speaker有音量control,是不是同active/passive 有關?
If you have volumn control on the speaker, it is very likley that it is active.
thx all guys. you are really helpful
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