mustang guy Posted February 23, 2015 Author Share Posted February 23, 2015 Just messing around, and am looking at how much sub a guy could build if he had the space. The driver in question is the RE 18" XXX, which as many of you know is a real beast. Data-bass has a test sub they looked at with this driver, and it was the largest sub they ever tested. Assuming a port can be made that doesn't chuff, this driver in a 45cu ft enclosure will be -3db at less than 10hz, and will be capable of 118db at 11 hz without reaching excursion. That seems pretty amazing to me, and it is not horn loaded. It might as well be because it would have to filled with bracing. Comments? Here are the winids's: Reading posts from when you ran 684's in comparison I cannot imagine you would accept anything not horn loaded for extended low frequency. and understandable. I still feel it is a much better choice mixing horn low frequency with horn extended low freq. any type of direct ext low freq gets old imo. its just so force-able or harsh overall I have heard re xxx12's and other v15's in cars and they are wonderful machines. The xxx15 is nearly equal to the 18 in capable numbers accordingly and possibly reach even lower. Take a look at numbers on the re site. I wonder what usable power one of these can do in an enclosure like an 1802. Or in a simple folded horn design. likely not necessary but may prove invaluable usable ext low freeq It's like cheating, but not looking like you are cheating. A huge reflex sub that dwarfs the horn loaded ones. Quote Link to comment Share on other sites More sharing options...
OO1 Posted February 23, 2015 Share Posted February 23, 2015 (edited) Just messing around, and am looking at how much sub a guy could build if he had the space. The driver in question is the RE 18" XXX, which as many of you know is a real beast. Data-bass has a test sub they looked at with this driver, and it was the largest sub they ever tested. Assuming a port can be made that doesn't chuff, this driver in a 45cu ft enclosure will be -3db at less than 10hz, and will be capable of 118db at 11 hz without reaching excursion. That seems pretty amazing to me, and it is not horn loaded. It might as well be because it would have to filled with bracing. Comments? Here are the winids's: Altec VOT really maxed out in seventies as huge halls were the norm - by the mid eighties - they were gone , too big - too monstruous - the biggest sub man ever built was the A4 - -the staff used to sit in the cab to feel the bass -it would rattle the fillings out your teeth The horn path looks too short to be any good for use as a subwoofer, may be a decent bass bin but the older Altec drivers i have heard ran out of steam rather quickly and we had quite a few on the block ( Dad had the Altec Valencia's ) Just messing around, and am looking at how much sub a guy could build if he had the space. The driver in question is the RE 18" XXX, which as many of you know is a real beast. Data-bass has a test sub they looked at with this driver, and it was the largest sub they ever tested. Assuming a port can be made that doesn't chuff, this driver in a 45cu ft enclosure will be -3db at less than 10hz, and will be capable of 118db at 11 hz without reaching excursion. That seems pretty amazing to me, and it is not horn loaded. It might as well be because it would have to filled with bracing. Comments? Here are the winids's: Altec VOT really maxed out in seventies as huge halls were the norm - by the mid eighties - they were gone , too big - too monstruous - the biggest sub man ever built was the A4 - -the staff used to sit in the cab to feel the bass -it would rattle the fillings out your teeth The horn path looks too short to be any good for use as a subwoofer, may be a decent bass bin but the older Altec drivers i have heard ran out of steam rather quickly and we had quite a few on the block ( Dad had the Altec Valencia's ) You are correct, they are bass bins. Good down to 40Hz, which is pretty amazing! BTW Randy, the A4 had a big brother. The A1. Almost 3 times the weight! I only know all this cause I googled it and found the original sales thing. Here is a link: http://www.greatplainsaudio.com/vintage_altec/VOTT%20Catalogue%201983_saleslit_ALL.pdf exactly the A1 cabs were used for night clubs as they were basically 2 factory ready built A4 Cabs bolted together with more internal bracing -which explain the higher weight - -the trick back then was to buy 2 A4 since they were cheaper and also easier to ship -handle and mount - we would close the frontal ports - and add thicker panels for rigidity and bolt them together - single A4 were not used at all - Edited February 23, 2015 by Randyh Quote Link to comment Share on other sites More sharing options...
mustang guy Posted February 23, 2015 Author Share Posted February 23, 2015 Holy cow Randy, a true wall of sound! You must have been the man! Quote Link to comment Share on other sites More sharing options...
Paducah Home Theater Posted February 23, 2015 Share Posted February 23, 2015 One kid took a Parts Express flyer, tossed it toward a port of one Tumult. The port sucked in the flyer, and spit it back out into two pieces. Post of the month. I'm cracking up. Quote Link to comment Share on other sites More sharing options...
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