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HD215 for my bike!

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MultiMagnus View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MultiMagnus Quote  Post ReplyReply Direct Link To This Post Topic: HD215 for my bike!
    Posted: 17 June 2013 at 12:59pm
Hello everyone - i'm also up for building HD215.

My sub needs to be placed at my bike. I live in Denmark and we use these bike a lot

It's called a Christiania bike (Christiania builds them) and it counts 88 x 61 cm 

my plan is to build something that i can take on/off when i'm going to use it. Beside the sub i will use two Electro Voice SX 300 speakers (maybe they are too small but thats what i have) and for the sub i'm planing to use two PD154.

i will try to post my project in here and if you have any comments i will be glad to hear about them. It is my first build so i'm pretty new.

earlier i used this bike but i thought i needed some extra in the low end
 





Edited by MultiMagnus - 17 June 2013 at 1:01pm
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Absulum View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Absulum Quote  Post ReplyReply Direct Link To This Post Posted: 17 June 2013 at 1:44pm
HD215 wont go very low. Its more commonly used as a kick (upper bass) cabinet, and is only really useful for sub in very large numbers.

Have you considered any other designs for sub? 
I would be going for one that goes low but also loud, and as lightweight as possible considering its going on a bike.

Once you've put some more info up about the project im sure there'll be plenty of suggestions!
ie how are you powering it, what amps, what kinda music etc...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote toastyghost Quote  Post ReplyReply Direct Link To This Post Posted: 17 June 2013 at 1:50pm
I'd do a tapped horn or just a reflex, would work much better than HD and a 215 is quite big for that trolley.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MultiMagnus Quote  Post ReplyReply Direct Link To This Post Posted: 17 June 2013 at 1:51pm
Absulum - if you have better solutions i would be very glad to hear!

i'm going to play hip hop and house music most of the time. I power i all up with a battery (not from a car) in danish called forbrugsbatteri - like them you have on boats an other places to use power and not in a car where you only use 1 punch of power to start the car.

i havent found any amplifier yet - my battery is 12 v so i need to step it up in some way..


Edited by MultiMagnus - 17 June 2013 at 1:55pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote studio45 Quote  Post ReplyReply Direct Link To This Post Posted: 17 June 2013 at 1:59pm
Have a look at Sure Electronics' products - they have several very useful 100 watt+ high-efficiency amp modules that work on 24-48v, and also a small boost converter that takes 9.5-15v input and generates 18-48v output. And it's all very, very cheap LOL
As for a bass bin to build, don't build the HD215. It is tuned pretty high and has a small mouth, requiring at least 3 in a stack to achieve proper horn action. A 2x15 reflex (like davey t's "Slimbin") would give you more useful bass in about the same size box.
Studio45 - Box Builder Commotion Soundsystem -Mobile PA
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MultiMagnus Quote  Post ReplyReply Direct Link To This Post Posted: 17 June 2013 at 2:14pm
Do you think any of these from Sure can take 1 of my PD154?

Where can i find some plans for making these slim bins ?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MultiMagnus Quote  Post ReplyReply Direct Link To This Post Posted: 17 June 2013 at 2:27pm
What about amp Rainbow Ipaul 4300? or http://www.sureelectronics.net/goods.php?id=1584 

i was planning to buy 2 15" PD154 - or i can buy 2 fane 12" or 15"
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Absulum Quote  Post ReplyReply Direct Link To This Post Posted: 17 June 2013 at 2:36pm
I would imagine your best bet would be to get on WinISD (its free and very easy to use) and design a reflex enclosure specifically for the driver parameters. You can then change the shape so that it fits perfectly in your bike, and have a box which is perfect for the driver.

You want the highest driver efficiency possible. I dont actually no whats available but the PD 154 looks very efficient! Still possibly worthwhile doing some research to see if their's anything that will squeeze out a bit more sound for less power. 

Have a look in the 12V systems section, may see a lot of your questions answered. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MultiMagnus Quote  Post ReplyReply Direct Link To This Post Posted: 17 June 2013 at 2:56pm
i opened a thread in general instead

thanks

http://forum.speakerplans.com/topic79747_post787965.html#787965
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cravings Quote  Post ReplyReply Direct Link To This Post Posted: 18 June 2013 at 12:15am
maybe davey t's bootybass speaker? it's fairly compact.. might suit your needs. look it up..
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MultiMagnus Quote  Post ReplyReply Direct Link To This Post Posted: 18 June 2013 at 12:28am
Oh - thats look interesting - i've been using all the day just reading about sub, kick, reflex, win isd etc. etc.

And i was actually thinking about this design earlier today, wondering why i haven't seen a design like that. The best from 2 worlds? horn AND reflex? Horn spreads it good out and i'm going to use it outdoor and the horn is making the sound nice and tight.  
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MultiMagnus Quote  Post ReplyReply Direct Link To This Post Posted: 18 June 2013 at 1:06am
i just read the whole thread but maybe its more for kick than sub? how low will it go do you think? round 70? under 70?
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