frequency range and sound pressure level..

[desmond937]

dear all,
Question A:
Speaker A : 60Hz to 20kHz.
Speaker B: 40Hz to 20kHz.

what can i hear from speaker B but not in speaker A? i notice high end speakers can goes down on low frequency.....

Question B:
Speaker A: 85dB
Speaker B: 91dB

what can i hear from speaker B but not in speaker A?

Question C:
Bi-amping and bi-wire means wat? notice some crossover can do this.....explain in detail to me pls?

thanks.
desmond.

 

[gwsallen]

a little help here:

http://www.whathifi.com/newsMainTemplate.asp?storyID=59&newssectionID=3

 

[Zenn]

the speaker that has lower frequency response (40hz) can give u more midbass
the speaker that has lower sensitivity (85db) will need a more powerful amp.

biamping is connecting a 4ch amp to a passive crossover that has 2 inputs 2 outputs.
bi-wire is like your dvc sub (one amp to 2 terminals)

 

[desmond937]

in laymen term, tweeter suppose to play wat sound? mid bass suppose to play wat sound? confuse la, tweeter play vocal and mid bass play bass? or tweeter play "chik chik chik" and mid bass play more to vocal?

 

[Kippo]

desmond,
tweeter to play high freq.
mid-bass = midrange & mid-bass

 

[desmond937]

mean those above 1000Hz, i can only hear in tweeter rite? means wat kind of sound? human voice when shout? hehe....
midrange and mid bass is to play vocal voice and also drum rite?

 

[gwsallen]

mean those above 1000Hz, i can only hear in tweeter rite? means wat kind of sound? human voice when shout? hehe....
midrange and mid bass is to play vocal voice and also drum rite?

average manly voices = 2 - 4kHz

average feminine voices = 3 - 8kHz.

Female who has 3kHz voice are those who drinks a lot, get wat i mean :D j/k

 

[Kippo]

desmond, mid-range driver is generally crossed at 3.5khz. So above than that, the tweeter will take over up to 20khz.

 

[Zenn]

vocals will come from both tweeter and midrange, so u shouldnt use that to compare.

 

[desmond937]

oh i see, thanks for all the sifu teaching me.....i plan to upgrade it by running with active setup when i got enough money to get a warm amp for a/d/s 236