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Kick Bass for THAM15

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nilspixel View Drop Down
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    Posted: 09 May 2021 at 1:02pm
Hey :)
I‘m trying to find a Cab Design for a KICK on top of a tham15. As i run a Stack on 12v which is meant to be portbale it should not get to heavy. Something around 10“ is fine I guess... as i looked through the Forum I found this thread where some guys had a stack similar to mine. they mentioned a 10“ paraflex Kick bass bin which looks great https://forum.speakerplans.com/baby-rig-looking-for-power-sources_topic105504.html but couldn’t find plans for it.

Ideas anyone? Thanks In advance ;)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DMorison Quote  Post ReplyReply Direct Link To This Post Posted: 09 May 2021 at 1:44pm
Hi, 
The main source of info on Paraflex designs is the "High-Order Quarterwave Society" user group on facebook, but I don't have a direct link, you'll need to search over there to find them I think.
Cheers,
David.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote monkeypuzzle Quote  Post ReplyReply Direct Link To This Post Posted: 09 May 2021 at 3:09pm
I run Thams and although they don’t have loads of kick to them they don’t lack it. Running a single stack on 12v in multiple ways isn’t really that efficient. You might be better off looking at what your mid tops are, sticking with 3 way, make sure they’re the best you can afford and dial in the thump using a bit of eq. The addition of a whole extra channel of amp and speaker could just add more drain to the batt. 

However, it’s always a learning thing and I’m sure there’s plenty out there that will show another way...
blah blah blah blah blah......
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Post Options Post Options   Thanks (0) Thanks(0)   Quote nilspixel Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2021 at 11:01pm
[QUOTE=monkeypuzzle]You might be better off looking at what your mid tops are, sticking with 3 way, make sure they’re the best you can afford and dial in the thump using a bit of eq....[/QUOTE

So you mean i better look out for some 3-Way PA Tops? Do you have any in mind?

Another Idea was this:

2 x 8" in one box. Sealed or reflex... i don't know...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote monkeypuzzle Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2021 at 11:31pm
The twin 8" could work but most likely won't have the punch you want. I was thinking more like a single 15 + 1 or 12 + 1. and then running the whole system three way (very possibly with a passive xover between the mid cone and the comp needing just one stereo amp. As long as they are efficient drivers then you should be able to boost with a bit of eq to get the thump you're looking for. What have you got so far? 
blah blah blah blah blah......
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Post Options Post Options   Thanks (0) Thanks(0)   Quote nilspixel Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2021 at 2:13pm
Okay i think i got your idea now :)

What about a 3Way PA Speaker on top with 2x10" and a 1"? Maybe something like in my previous drawing wired together?

For now i have a JB-SAT10V2 ...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote infrasound Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2021 at 6:16pm
If you want punch, then you're after more cone area with a very low Qts. So long as it can reach low enough either sealed (with EQ, if you're happy to give power) or vented (marginally less punch). Good starts would be B&C 12NDL75 or 12NW76.

Single driver may be best from a cost & weight point of view IMO. Especially if going neo.

FLH in style of MT121 would be good, but I think the length of horn would likely be unpractical
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Post Options Post Options   Thanks (0) Thanks(0)   Quote monkeypuzzle Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2021 at 11:07pm
Originally posted by nilspixel nilspixel wrote:

Okay i think i got your idea now :)

What about a 3Way PA Speaker on top with 2x10" and a 1"? Maybe something like in my previous drawing wired together?

For now i have a JB-SAT10V2 ...

I think you confusing what is meant by “way”. In a traditional 3 “way” system one “way” is the bass, one is the mid range and one the top end. If you made a 2 x 10” + 1” box where one 10 played low mid and one played hi mid and the the 1” did the treble that would be a three way box and it would be pretty silly for what you require. “Ways” describes number of individual bands the signal is split into having a dedicated box for it rather than the number of drivers in a box.

A tham 15 (bass - way 1), then a box with either a 15” or 12” (mid - way 2) and a 1” (high - way 3) should do you fine. What drivers are in the JB Sat and does it have a x over built in?
blah blah blah blah blah......
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Post Options Post Options   Thanks (0) Thanks(0)   Quote nilspixel Quote  Post ReplyReply Direct Link To This Post Posted: 12 May 2021 at 8:11pm
The JB Sat is a very low budget thing which doesn't has a very high sensitivity... Drivers are: Faital 10FE200 and Sica z009442....Passive Crossover is built in.

96dB 1W/1m
118dB (121dB Max / 124dB Peak)
165W rms
7 Ohm (Rmin 5,83 Ohm@20kHz / 6,84@199Hz)
80Hz - 20,3kHz
Average 4,5% @ 114dB
75x50°

I decided to aim for a 12" + 1" PA Speaker again but would like to get something nice. Does anyone know a good design with a high sensitivity? Maybe this?

Also a small Version of a MT 121 would be nice but i'm not in the position to design such a thing :/
















Edited by nilspixel - 12 May 2021 at 8:37pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote nilspixel Quote  Post ReplyReply Direct Link To This Post Posted: 12 May 2021 at 11:31pm
I went back to my drawing board and found this beautyful deign: https://forum.speakerplans.com/lockdown-audio-a-12v-3way-small-rig-build_topic105202_page1.html
I really like the idea of his mids...:

I decided to take a look at WinISD and calculated something really similar. Instead of two seperated chambers i simulated 2 Eminence Delta 10 in one vented box. This is what i gave me:

The idea would be to put both 10" parallel to get back to my 4 Ohm which my Pioneer Amp can handle. Also i would need a crossover to put a tweeter on top as i only have one channel...

2x10" + 1x1" ....


Edited by nilspixel - 13 May 2021 at 12:24am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote APW Quote  Post ReplyReply Direct Link To This Post Posted: 13 May 2021 at 10:51am
... and now you need to read the rest of the thread as to why it got changed to an angled baffle!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote infrasound Quote  Post ReplyReply Direct Link To This Post Posted: 13 May 2021 at 4:25pm
http://https://www.thomann.de/gb/eminence_kappa_pro_10.htm

Will need to check box size, but if you're happy with weight increase, these will give more 'kick'.

Edit: better options in neo, but much more $$


Edited by infrasound - 13 May 2021 at 4:26pm
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