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Another B-15 Speaker Q.

#22
I have a thought that some farting being experienced in these is simply the cone/suspension edge knocking on the baffle crosspiece. In my 66 B15NF I recently swapped my stock but reconed CTS for an orange JBL D140f, which has a flatter cork edge gasket, this rattled on the baffle quite easily. I stuck on an extra paper type gasket around the edge to act as a spacer to put the frame about 5/16" away from the baffle. This sounds absolutely beautiful but today while playing my buddys sadowsky 5 string I could hit some hard notes on the low string that starts the rattling and fartout again. Hitting the excursion limits on a cone is one thing but that darn baffle cross piece sitting there is another problem.
 
#23
Blue said:
I tried a Eminence Delta 15 in my B-15 (1968, all octal tubes, single baffle) ... and while it had the "tone", it farted out on the low notes. I play in standard "D" so maybe that extra step down is the reason, but I'll be sending it back to Parts-Express.

I had tried the D140, but found it - maybe too sweet (?) plus it farted too.

I almost REALLY love the Altec 421 - a true ROCK set-up ... but it's just a bit muddy, like a blanket over the cab.

I've read there's a Faital (?) .. any better ideas?

https://usspeaker.com/faital pro index-1.htm#15 inch speakers
Click to expand...
Isn't the fart part of the tone? Pushing the cab to its limits? If it's a problem for you, lower the volume...or the bass knob. I love cranking my 10s. They get so much fuller and meaty sounding right before breakup. Ampeg power. Full, strong, and raw. But, if it's not going well for you, if you dont like what you're getting, than that just isn't the amp for you. It really is more of a low volume, studio rig anyhow.
 

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