Subs wont go louder pass 10:00 setting

qguy · 4th February 2008, 09:53 PM

My sub is connected via loudspeaker level into a crossover then into an amp. When I turn up the volume pass the 10 o'clock setting, the subs does not seem to go as loud as the main speakers, I get balance levels from 0 to the 10'0clock, but anything pass the 10'oclock and the subs does not seem to go louder. I would need to adjust the volume knob on the subwoofer amp to increase the subs volume...

So what could be wrong ?

tinitus · 4th February 2008, 10:15 PM

My guess would be on stiff surround and spider that demands fore relative more power beond a certain Xmax...I suppose thats the meaning "low loss surround" and you may have what could be called "high loss ..."
Could it be a carsub driver

qguy · 4th February 2008, 11:14 PM

its Kef b300

http://www.hifiloudspeakers.info/Ana...300BSP1071.gif

tinitus · 4th February 2008, 11:37 PM

Ahhh...surround should be ok then

There is this thing called "power compression"...the level of power where driver looses SPL

I see that the Kef is rated 35watt power handling, which isnt much...so that might be it

I take it that you stay within the limited Xmax of +/-6mm(12mm p-p)

No sensivity(SPL) listed, but being a Kef I suppose its low, which means you "eat" the 35watt faster

It may also be partly due to severe coneflex...soft polycone

Or it may be your amp/powersupply

Or the unfortunate sum of it all together

Easy cure...dont play so fu##### loud

4th February 2008, 09:53 PM	#1
qguy diyAudio Member Join Date: Mar 2005 Location: Burnaby	Subs wont go louder pass 10:00 setting My sub is connected via loudspeaker level into a crossover then into an amp. When I turn up the volume pass the 10 o'clock setting, the subs does not seem to go as loud as the main speakers, I get balance levels from 0 to the 10'0clock, but anything pass the 10'oclock and the subs does not seem to go louder. I would need to adjust the volume knob on the subwoofer amp to increase the subs volume... So what could be wrong ? __________________ na

4th February 2008, 11:14 PM	#3
qguy diyAudio Member Join Date: Mar 2005 Location: Burnaby	its Kef b300 http://www.hifiloudspeakers.info/Ana...300BSP1071.gif __________________ na

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4th February 2008, 10:15 PM	#2
tinitus diyAudio Moderator Join Date: Nov 2005	My guess would be on stiff surround and spider that demands fore relative more power beond a certain Xmax...I suppose thats the meaning "low loss surround" and you may have what could be called "high loss ..." Could it be a carsub driver

4th February 2008, 11:37 PM	#4
tinitus diyAudio Moderator Join Date: Nov 2005	Ahhh...surround should be ok then There is this thing called "power compression"...the level of power where driver looses SPL I see that the Kef is rated 35watt power handling, which isnt much...so that might be it I take it that you stay within the limited Xmax of +/-6mm(12mm p-p) No sensivity(SPL) listed, but being a Kef I suppose its low, which means you "eat" the 35watt faster It may also be partly due to severe coneflex...soft polycone Or it may be your amp/powersupply Or the unfortunate sum of it all together Easy cure...dont play so fu##### loud

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