They have similiar T/S parameters.
Will be used in pairs in large bass reflex boxes and working up to 250Hz, maybe all the way to 500-600Hz if I decide to use horn to the top.
I'm a bit tempted of the vintage style of 515c but when they are in the box that doesn't matter...
Anyone have experience with these drivers, what sonic difference can I expect?
And how are they compared to "the original" Altec 515B (which I love and have long knowledge with)?
/Q





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