As in a 1.5 way.. Different woofers can be used for 1.5 way. This way you can even tune the baffle compensation level.
If you have a standard amplifier though, a capacitor across the lower driver increases the output of the upper driver, so it doesn't do baffle step. Use an inductor on the lower woofer in that case.
This subject reminds me of a now long gone pro studio monitor that I did an 'el cheapo' (RS) clone of where the 'FR' drivers were horizontally toe'd in to cancel out at 'X' mean frequency @ 'y' horizontal axis with a piezo horn ~as large as the 'FR' driver's baffle and once in the 'sweet spot' like one needs in a studio it was quite a revelation in that once bound up in a tightly stretched stocking type 'bootie'/sock (a significant contribution) it fooled many a ~ self proclaimed 'golden ear'.
So once again, proof that 'critically' damping a system can solve a multitude of design 'sins'/compromises. 😉
Yes. I missed that.
Looking at the published impedance and simulating a baffle step like this...
Each component does a different thing. The resistor shelves the treble level. The inductor sets the midrange level. The capacitor changes the split between the two drivers, without changing the response too much.
Looking at the published impedance and simulating a baffle step like this...
Each component does a different thing. The resistor shelves the treble level. The inductor sets the midrange level. The capacitor changes the split between the two drivers, without changing the response too much.
Nice application -especially with that piezo horn. 🙂 Shows what was possible with those (much missed) RS units too, bit like your old 1354 MLTL did.
Yeah, I've done a handful of designs using twin / multiple units that have worked out reasonably-reasonable. The semi-stillborn Viotti Tower ran a pair of mid-tweets, albeit further apart than I would have liked. It needed a bit more refining in the filter, which I didn't have time to do before the shutters rolled down on the company, but it wasn't too bad as-was. Bit limited > 12KHz, but aside from that lack of 'air' it was pleasant & it kicked surprisingly well. I've still got a prototype pair in storage -might have to put them back together. Minor story behind this thing I'll tell you elsewhere. 😉
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All around getting 2 matching drivers.
On one baffle with simple filter, to make it happen.
Is pretty fun project.
With wide baffle, might be able to weasel around
to much baffle step compensation.
With skinny baffle can mount one driver 90 degree or side mount.
Usually just one coil for filter. sums pretty flat
Always leads to previous comment.
Just add larger woofer instead.
Staying to the concept.
Be fun to stick to some rule.
2 matching drivers ,one box
make it work.
fun guideline to play with.
On one baffle with simple filter, to make it happen.
Is pretty fun project.
With wide baffle, might be able to weasel around
to much baffle step compensation.
With skinny baffle can mount one driver 90 degree or side mount.
Usually just one coil for filter. sums pretty flat
Always leads to previous comment.
Just add larger woofer instead.
Staying to the concept.
Be fun to stick to some rule.
2 matching drivers ,one box
make it work.
fun guideline to play with.