jfine
10-03-2014, 09:01 AM
I just got this setup so not much experience yet.
The problem might just be due to an under powered amp I'm using for the B460. It's just what I have at the moment. It puts out only about 150W in mono bridged, (Halfer) so I'm thinking it might not be enough. Well the specs say that bridged mono puts out more than 150W, whatever that is. At higher volumes, there's a buzz/rattle sound that is not from the mounting or cabinet, nothing rolling around in there.
Using L300's already, powered by an MC402 mcintosh. Using the bypass on the BX63 xover, it seems to dial in just fine, goes lower than the L300's, appears to be working OK. No rubbing when manually moving the cone. I pulled the speaker and placed on floor and still does it, maybe even a little more. If I sort of place my hand on the cone while it's doing this, it mostly goes away. I don't really have a way to use just the MC402 to see if it's the amp, but my suspicion is that I think the 2245H needs lots of power. Rated at 200 watts minimum, I don't think that's even enough when cranking it. I have a JBL 6260 on the way that does ~660W bridged mono.
So I guess the question would be, is this the kind of behavior a sub might produce when underpowered?
Any insights suggestion welcome, thanks
The problem might just be due to an under powered amp I'm using for the B460. It's just what I have at the moment. It puts out only about 150W in mono bridged, (Halfer) so I'm thinking it might not be enough. Well the specs say that bridged mono puts out more than 150W, whatever that is. At higher volumes, there's a buzz/rattle sound that is not from the mounting or cabinet, nothing rolling around in there.
Using L300's already, powered by an MC402 mcintosh. Using the bypass on the BX63 xover, it seems to dial in just fine, goes lower than the L300's, appears to be working OK. No rubbing when manually moving the cone. I pulled the speaker and placed on floor and still does it, maybe even a little more. If I sort of place my hand on the cone while it's doing this, it mostly goes away. I don't really have a way to use just the MC402 to see if it's the amp, but my suspicion is that I think the 2245H needs lots of power. Rated at 200 watts minimum, I don't think that's even enough when cranking it. I have a JBL 6260 on the way that does ~660W bridged mono.
So I guess the question would be, is this the kind of behavior a sub might produce when underpowered?
Any insights suggestion welcome, thanks