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In Reply to: RE: Questions for Salectric and Lokie re P15LL posted by Salectric on April 06, 2017 at 13:19:42
I think the cab im using (the 614) is about 3.2cf and after reading a comment on the jelabs blog last year i was convinced a larger cab would be better and at the same time allow me to get the horn hidden away, and now that i have some room i was going to give it a go.
Back to the drawing board then...
My cabs are 4.5 cubic feet but I'm not going to put the 32 inside, as the magnets prevent close alignment of drivers. Center to center distance would be acceptable yet this places the 414 too low for listening, even on stands.
I'm also going to compare the 32 with a pair of Edgar salad bowl horns before making a decision and mounting on top will be helpful for starters...
The JE Labs crossover models at about 1150hz with my drivers, incidentally (16 ohm EA 175s and 16 ohm 414Zs). The DCR on all is between 11 and 12 ohms but my understanding is that AC is more important, in actual application...
I gather that having the magnets in close proximity isnt a problem, the altec 9849 was designed this way.
My plan now is to try and remove my speakers front and make a new one copying the altec 9849 as the dimensions are otherwise the same. I still cant help feeling a bigger cabinet would be better, and have found discussions on a french forum where somone is reccomending 150-180 litre cabinets (about 5.2-6.3 cubic feet.
Your cabinet of 4.5 sounds promising, id be very interested in how they turn out.
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