FE103a

[justpoor]

Has anyone ever use 4 FE103A in a sealed box design. I love the sound of these drivers and thinking about wire them parallel/serial in a larger sealed box. I have 8 of them laying around and thinking about trying them in this configuration. Any thought. Thanks.

[planet10]

I haven't done it, but i have thought about it.

Without going 2 way, your best bet is to make a square colum with a driver on each face EPI miniTower style.

dave

[adason]

i would go two way
mmtmm in narrow column
you can have excelent satelite to go with subwoofer

[EC8010]

Originally posted by planet10
Without going 2 way, your best bet is to make a square column with a driver on each face EPI miniTower style.

OK, I'll bite. Why one on each face rather than two on the front and two on the back? (I have eight 40-1197, you see.)

[Hoffmeyer]

Hi justpoor.

Originally posted by justpoor
Has anyone ever use 4 FE103A in a sealed box design. I love the sound of these drivers and thinking about wire them parallel/serial in a larger sealed box. I have 8 of them laying around and thinking about trying them in this configuration. Any thought. Thanks.

I once tried a pair of 4xFE-164 in sealed boxes.
Not much bass, but the rest was astonishing, to say the least.
Wonderfull with acoustic guitars , pianos , vocals and small orchestras , and they were loud, or should I say sensitive

I doo kind of miss them, and thats why I've bought a pair of FE-103E to play with

[planet10]

1 on each side will reduce HF combing... and i still have a soft spot for the EPI miniTowers. If you get far enuff away stacked pair would likely work fine.

With 2 on the front, you will get combing effect in the top 2 octaves. That leads to considering an MTM, and i have played with that idea, trying to get the drivers as close together as possible so the XO could be pushed up near 5 k.

attached is one such thot experiment (with an EPI tweeter)

dave

[justpoor]

planet10,

Now you are talking. That looks like a nice design. Would you wire them in parallel - which will lower the impedance to 4ohm or serial. What kind of tweeter would match well with these little 103A gems besides the EPI as they are kind of hard to find.

[planet10]

Series or parallel depends on tweeter, & amp & whether you have 2 more on the back.

You want a physically small tweeter that can reach 5k (preferablly with a low order XO). I'm averse to convex domes, so i've mocked up these (concave) EPIs & a ribbon. A small horn -- like the Atomix/Sansui pictured -- would likely do well.

dave