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Multi-Way Conventional loudspeakers with crossovers

10" woof plus single capped morel cat378
10" woof plus single capped morel cat378
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Old 13th September 2017, 08:15 PM   #51
norman bates is offline norman bates  United States
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I think you can only get the newer one.
And yes, i boost bass through receiver.
But i listen at low volumes and back up to a double wide window.

Tekton uses 12db crossovers i think, tricky with the increasing Z curve.

I think newer b102 is a better option for diy.
Why have a 10" go so high when qts makes for no bass ?

Dispersion and breakup modes, just because a drivers measures flat up there, doesn't mean it sounds good up there.

Zu's tweaked in the cone and surround also.

Again, this is a 10" 2 way in the spirit of old designs.

I'm on the fence wether to build another speaker or try more b102s to make more tactile midbass further away than 4'.
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Old 13th September 2017, 09:18 PM   #52
KrautNotRice is offline KrautNotRice  United States
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What I can't wrap my head around is that the Lore, which is said to use the older version B102, is incredibly dynamic and gets down into the low 30s without boosting the bass. Albeit in a large enclosure.
I wonder if all that's possible with the newer version B102?
I'm not looking to play that high, I'm crossing over either around 1.6 - 1.8 khz to a SB29 or even lower to a 2 or 3" full ranger.
(I'm using my Ashly XR-1001 el. xo with 24 db slopes)
Just mainly looking for very dynamic bass and efficiency.
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Old 13th September 2017, 09:20 PM   #53
KrautNotRice is offline KrautNotRice  United States
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Norman, regarding your having to boost the bass, I was wondering how big your listening room is and if you're using any room treatment?
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Old 13th September 2017, 10:23 PM   #54
freddi is offline freddi  United States
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10" woof plus single capped morel cat378
since B102 is for bass guitar use, and a lot of modern bassists use a tweeter with round wound strings (I personally dislike most of that sound and avoid any music using it) then the current version probably makes marketing sense. I think the double roll suspension is better damped than the old multi-pleat surround.
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Old 14th September 2017, 01:44 AM   #55
freddi is offline freddi  United States
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10" woof plus single capped morel cat378
does Tekton use a hybrid model B102 - old magnet + new cone/surround ? are there any published tests to give clues? - I see a review about a kick drum punching one in the gut - I've never heard that from a 10" speaker - even real kick drums don't always have a lot of punch - - maybe a good 33" marching drum beat hard. maybe that Audax tweeter gives it that sense of speed. - I'm not familiar with Phil Collins' work YouTube

Last edited by freddi; 14th September 2017 at 02:03 AM.
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Old 14th September 2017, 03:45 AM   #56
norman bates is offline norman bates  United States
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lol, I'm in a big letter L shaped room 24 x 24 with a 12 x 12 cut out of it.

30hz, from a 10" not even on the floor ?
8db down at 30hz ? (compared to 60hz), that's no bass to me.
Tekton Design 8.1T Measurements | Tektondesign's Blog
9db down at 27hz = lean bass.

But I'm in a big room sitting 12' away also, so I need double 15's minimum for ok bass.

Punch in the gut bass ?
12" full range crossed at 150hz to 2 x 15" doesn't do it.
same 2 x 15" crossed 24db @ 750hz, that does.

Something about cone area / distance / and the frequency range.

My 10" goes further for punching bass than the 8" did (5' versus 3-4'), same setup.
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Old 14th September 2017, 06:06 AM   #57
freddi is offline freddi  United States
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10" woof plus single capped morel cat378
you could easily use 4- strong 15 per side in a room that size - not sure how it would focus but there would be air excited when needed. At 150, your 12 did not have enough "kick". I really think the Karlson type excel there - of course, only so much can be done in a small package. 2-K15's per side have a lot of kick but who wants a 45 inch wide speaker which still needs a subwoofer for the lower octaves.

do you have any drum recordings to recommend? I always suggest Steve Clarke's CD "Solo Drums" which is multi-mic-ed pretty well. Some of Charly Antolini's CD's should have good kick and hit - I don't like the sound of the electric bass on "Knock-out" -wish there were a good upright bass - there's too much "lead bass" these days - leave that for guitars and horn players.
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Old 14th September 2017, 07:45 AM   #58
norman bates is offline norman bates  United States
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I don't have many drummy stuff, not my thing.

I think of dance music, like 90s stuff.

I thought of running a woofer with the b102/morel, single inductor it by trying what seems best to me.
Like a baffle step woofer.
I have the bass at +6 so I figure a woofer 98db ?
I thought of 4 more b102 and remove the sub, but that ain't cheap.

I could run my eminence with an inductor and run them with the b102.

I liked running the 15s in parallel with the 12" fane, used a 10 band eq to make it blend.
That had BASS !!!!!!!!!!!
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Old 14th September 2017, 02:59 PM   #59
KrautNotRice is offline KrautNotRice  United States
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The biggest hurdle to overcome seems to be that massive 12' distance to the speakers.
I'm at 6' from my large NHT towers and when I lean back a foot, the impact vanishes, but when I lean forward a foot it gets even better than at the listening position.

Have you tried putting smaller subs right behind the listening position / couch?

Anyway, I've been itching to try my hand at a large 2 way using the B102, so this thread is very informative!
Norman, would love to see some pics of what you end up with.
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Old 14th September 2017, 05:45 PM   #60
norman bates is offline norman bates  United States
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Yup, my avatar is my only picture for now.

Setup probably won't change anytime soon.
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