Nit piks The 7 in Alpair 7.3 refers to a 7 cm (2.8") cone size. They are called grey but they are actually silver (1st gen had a grey cone and it is different)
An A7.x FAST can give fantastic performance, our A7.3eN + 2xSDX7eN perform really well.
The scan has a big peak at about 4kHz, even a fairly steep XO at a low frequency won't completely quell that, one might consider some measures to damp it down. The bass driver is sensitive enuff to give you a usually appropriate baffle-step compensation if you go with a passive XO.
What kind of box? What kind of XO?
dave
An A7.x FAST can give fantastic performance, our A7.3eN + 2xSDX7eN perform really well.
The scan has a big peak at about 4kHz, even a fairly steep XO at a low frequency won't completely quell that, one might consider some measures to damp it down. The bass driver is sensitive enuff to give you a usually appropriate baffle-step compensation if you go with a passive XO.
What kind of box? What kind of XO?
dave
Yes, it is. My second try at a side woofer build; I built one a few years ago (similar to a Boenicke design) but it didn't come out v well at all. Hopefully this one will be better.
One possible issue tho, a dip at 350-500hz on the Alpairs. What's causing that? Its right where I don't want it..
One possible issue tho, a dip at 350-500hz on the Alpairs. What's causing that? Its right where I don't want it..
This looks really interesting! I'd love to see how they turn out. I'm using CSS EL70s in MLTLs and they're really quite good but I'm craving louder and more bass. Have been looking at the Pensil 7 but am afraid that if I build yet another small single driver speaker, it'll be good overall but not really satisfying enough in the lower end.
How are they coming along?
How are they coming along?
Ok house renovation done, decided to build another Alpair project first as I need to evaluate the tweeters. It's a 2 way quasi TL using the Alpair 12pw and Viawave tweets crossed at 3khz. Hopefully I've got my calculations correct with the X/O. First order on Alpair and 2nd on the ribbons.
Start building the cabs today and over wknd
Start building the cabs today and over wknd
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