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Bag End D18E-I

VS

Supporting Member
Jun 6, 2002
1,638
807
Mountain City, Tennessee
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I've been considering the D18E-I as part of my studio configuration starting early next year. Without the integrator,I assume it wouldn't be of much use. I need this frequency range/response for multiple instruments. Has anyone had any experience with this particular rig? Finding a Bag End distributer has been unsuccessful in my area thus far. This seems to meet the specifications I'm looking for. Does anyone know if this is a ported cab or closed? Thanks guy's! -Luke
 
I play a BagEnd ELF 18 (I believe it's the E-I, but all the ELF, now INFRA cabs work the same). It's a sealed cab and, perfectly useless without the integrator. With the integrator, it will allow you to get truer, clearer ultra lows (only up to about 100hz, then the integrator's filter cuts off) than any other cab technology. The cabs are not heavy and are a bit smaller than many 118's. It is strictly a sub, so plan on biamping the higher freq's to another cab (More on this below). ELF/Infra allows you to go down to inaudibly low frequencies (I think 8 hz is the floor) that you will never use. I did a mod (with BagEnd's advice) on my integrator to cut off at 25 hz (I play a 4 banger). Lower frequencies are actually not helpful as you pick up a lot of string noise and crap.

ELF and Infra rigs need to be biamped as the ELF/Infra needs its own channel or own amp (don't ask me to explain why). They are not outragiously power hungry - my 118 runs fine off 450w.

Contact BagEnd directly and ask to talk to tech support. They were incredibly helpful to me and took all kinds of time to explain things. There is (or at the time a couple years ago, was) no good ELF/Infra manual - just an article written by the coinventors of the ELF concept. BagEnd can send you a copy. Few people know, but one of the two patent-holders on the technology is Ron Wickersham who founded Alembic.

Hope that helps. :p
 
There's nothing like the Bag End ELF/INFRA system for deep, tight bass. The sealed cabinets make the transient response incredibly fast. I worked for a couple years helping a friend do regional festivals with a 20KWatt Bag End ELF PA system. There were louder systems out there but none of them (whether older folded-horn systems or modern line arrays) had the super deep, punchy bass of ours. They're also great for studio work. There have actually been a few ELF/INFRA integrators for sale here in the classifieds--do a search.

The technology behind the system is pretty ingenious and I'm guessing a lot of companies will copy it once the patent expires.