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Post by eeyore on Jul 23, 2006 15:07:30 GMT -7
One question. Know anybody that wants to buy some AE IB15's?
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Post by Darren on Jul 23, 2006 15:41:36 GMT -7
We'll be needing some pictures of the drivers. ;D
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Post by tch0rt on Jul 23, 2006 17:33:12 GMT -7
Two questions for osuhog...
1. How much power are you giving them?
2. How well do they play up to 80hz?
I also 2nd that we need pics. =D
Thanks,
Ryan
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Post by mrogowski on Jul 23, 2006 17:41:43 GMT -7
*CLUNK* Oops! Sorry, I just had to pick myself up off the floor....
That's great David, I'm glad you like the units. I hear you on the terminals. Mental note...
I'm actually jealous of you guys. I've been wanting to do IB for ages, but the better half as always decided against it. This just adds fuel to the fire tho...
Best regards, Mark
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Post by rondawg72 on Jul 23, 2006 18:24:13 GMT -7
i just want to take a minute and give thanks to Mark from Mach5 audio for putting his woofers up to the test and for David to spend some of his own time and money (which we all know is precious) to check these out for us...especially for those like myself who have yet to build a set-up - it is great to know that there are guys like Mark out there who are not looking to mark-up a product 500 percent and that can actually offer a product to the working class population.
now i have to go butter the wife up to let me purchase a quad set of these...she should be happy that i ran across a bargain.....the ultimate coupon
i wonder if David will actually send his back or just purchase them himself...lol
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Post by Darren on Jul 23, 2006 18:36:36 GMT -7
Just as a point of "reality".
Lots of manufacturers have very slim margins. I'm having a terrible time believing a $50 18" driver can hold up to a $400 18" driver. I'm very hopeful that I'm wrong on this but I'm very skeptical at the same time. It would be great if these drivers prove to be as good a deal as they sound but more times than not "you get what you pay for" is the golden rule.
Darren
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Post by rondawg72 on Jul 23, 2006 18:47:05 GMT -7
Just as a point of "reality". Lots of manufacturers have very slim margins. I'm having a terrible time believing a $50 18" driver can hold up to a $400 18" driver. I'm very hopeful that I'm wrong on this but I'm very skeptical at the same time. It would be great if these drivers prove to be as good a deal as they sound but more times than not "you get what you pay for" is the golden rule. Darren manufacturers....yes....but retailers....or companies that sell the product as thiers...well all "middle men" are the ones im referring to - but i know what your saying......i was elaborating on him taking the initiative to buy a bulk manufactured woofer and instead of trying to become rich on them....pass the deal on to others ive been following the other thread and the woofers you have been testing....and i believe that Darrel is the same class of people.....and obviously he can not match these prices...so your point is valid...im sure that there is a noticable difference in the two products...but this has to be considered a true bargain for beginners into IB applications....considering the quality of a good IB candidate driver
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Post by Darren on Jul 23, 2006 18:51:01 GMT -7
I'm curious how these would compare to one of the more popular 18" drivers on the comparison chart. Would anyone be willing to beta test these new drivers against their 18" drivers?
I'm not in the market for any drivers but am very interested in seeing just how good a deal these drivers may be.
It would be great if they turn out to be a driver with longevity and work out in IB situations well.
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Post by osuhog on Jul 23, 2006 18:54:48 GMT -7
I know Darren, I was very skeptical too. Like I said in my review, I almost hate to give these things such praise, but I really have no choice. To tell you the truth, I really almost expected to have to post a negative review, certainly nothing this positive. I am really looking forward to someone else getting ahold of a pair of these things so they can either duplicate my findings or tell me I'm crazy. All I can tell you is that these 2 18's are as loud as my 4 15's and they sound better, at least to my ears. Now, that said, my 4 15's rocked the house too, make no mistake about it. Just looking at the specs, I assume the lower QTS of this woofer is probably where the better sound quality comes in. My 15's are .69 and these are around .39 I believe. My amp is 675 watts bridged mono into a 4 ohm load, and yes, they sound great crossed over at 80 hz. Here are some pics of the drivers, the manifold, and the no frills box they were shipped in, although I don't have any of the back of the drivers . I installed them with the back facing into my listening room and reversed the polarity so they are in phase with my mains.
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Post by osuhog on Jul 23, 2006 18:57:41 GMT -7
PS Don't make fun of the masking tape on my manifold. I told you it was cheesy.
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naug
New Member
Posts: 16
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Post by naug on Jul 23, 2006 19:09:30 GMT -7
For $200 shipped to PDX - I bought two!
thanks to Mark for making them available and to David for testing them!
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Post by Darren on Jul 23, 2006 21:45:55 GMT -7
OK, from the pics I see foam surround, coated paper cone... any pics of the frame and spider? Magnet? Looks like the packaging is fairly typical. Nice pics so far. What 15" drivers do you have? Do you have 2 or 4? Do you have the ability to take measurements? Sorry, I love hearing all the details
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Post by chasw98 on Jul 24, 2006 4:50:25 GMT -7
First post ever here. Been wanting to install an IB at home, but cost has been an issue. These look like the Holy Grail for us el cheapo's. One spec I haven't seen is "How much do they weigh?". Just a guesstimate will do. I'm just curious. Thanks.
Chuck
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Post by chrisbee on Jul 24, 2006 5:35:17 GMT -7
Hi Chas and welcome to the Cult. The eBay lists the boxed weight as 13.2 Kg. That's just over 29lbs. Very tempting isn't it?
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Post by mrogowski on Jul 24, 2006 5:36:04 GMT -7
Hi Chuck,
The units weigh 13.2kg packaged; ~29lbs.
Best regards, Mark
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Post by chrisbee on Jul 24, 2006 5:57:57 GMT -7
OK, from the pics I see foam surround, coated paper cone... any pics of the frame and spider? Magnet? Looks like the packaging is fairly typical. Nice pics so far. Darren Have a look at the eBay site linked at the beginning of the thread for more quality pics of these 18" drivers.
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Post by rondawg72 on Jul 24, 2006 6:08:48 GMT -7
or just click the link to Mach5 audio under Mrogowski's signature...youll find the same pictures plus a complete spec's list
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Post by osuhog on Jul 24, 2006 6:54:28 GMT -7
Here are some more pics from Marks website of the backside of the woofer (spider, basket, & magnet). I'm too lazy to pull these out of my attick at the moment so this is easier. Plus, I've already used up all of my attick time for the week. My wife will kill me if I'm up there much longer. Also, one quick thing I forgot to mention in my review. There is no foam or padding or anything on the backside of the trim around the woofer. The part that screws down to the wood. It's just metal to wood at the moment. Probably not a big deal since there is no "pressure" in an IB, but it is worth noting.
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Post by Darren on Jul 24, 2006 7:51:12 GMT -7
I like seeing actual customer pics of product...sometimes what you see on the site isn't what you end up getting. Interesting, from the pics the build quality looks on par for a quality budget driver. The weight is a little on the light side but I'm used to monster magnets on my drivers so that doesn't mean a whole lot if they are performing. Had I not decided on drivers I'd probably have bought 4 of these for fun I'm very interested in hearing more thoughts on these drivers just to satisfy my own curiosity. I'm also very curious how these drivers can be sold for so little $$. It can't cost much less than $50 to manufacture them unless they are being run in huge numbers. Maybe I'm overestimating the cost to build such a driver? I'm really interested to see some plots, does anyone think the rather high Fs will be an issue? I know we can compensate with the BFD but 30.4 is up there. I'd also like to see where these drivers fail... IE how much power before they reach mechanical limits. At 12mm I'm wondering if they might be great for music but limited for HT? I'm just speculating and asking questions here. At $50 a driver, if they are sturdy and hold up then who cares, just buy 8 of them and run them lightly
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Post by chrisbee on Jul 24, 2006 8:36:34 GMT -7
The low VAS means they don't need as much rear volume as some other drivers.
VAS roughly half that of my AE IB15s which suggests that 4 x 18" might work better than the 4 x 15" on sound quality.
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