Suitcase build help |
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crossed
Registered User Joined: 26 September 2011 Location: Ky US Status: Offline Points: 217 |
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Posted: 04 October 2014 at 5:42pm |
I found an old suitcase in my attic that I want to build into a boombox. So far I've been looking at relatively budget components but would love someone to give me feedback on compatibility, or make better recommendations.
-Lepai 2020A amp -This Celestion neo 5" speaker -Dayton Audio ND16FA-6 5/8" Neodymium Dome Tweeter -These two batteries wired in series or singly if 12v is enough for the amp I end up choosing The crossover is where I need the most help. Is there a walkthrough explaining how to build the crossover? I tried to pick components that sort of match, but I don't know how to make a filter. I would like the experience of building it myself. I was thinking of crossing somewhere around 4k. |
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lutkeveld
Young Croc Joined: 23 September 2013 Location: The Netherlands Status: Offline Points: 517 |
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Why those batteries? You can get 12v 7ah batteries new for 25 dollars.
Serie is doubling voltage, parallel is doubling capacity. A single 12v 7ah battery with the Lepai LP2020A+ amp already yields 20+ hours play time. Plenty for most people. Monacor SP60 crossed with a 6.8uF MKT/MKP capacitor to a Dayton ND16FA is a good setup. Check out this very nice build from user Shortrope for inspiration: http://forum.speakerplans.com/boombox-case-build-finished_topic83970.html
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crossed
Registered User Joined: 26 September 2011 Location: Ky US Status: Offline Points: 217 |
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Well, that's a two pack, and I was under the (possibly misguided) impression that it was better for the amp to run in 24v. If running at 12v is fine for this amp, I would be much happier with the reduction in weight. I saw the Monacor SP60 in others' builds, but I can't find it here in the states. That build is actually one of the inspirations I had in mind when I remembered the suitcase in my attic!
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lutkeveld
Young Croc Joined: 23 September 2013 Location: The Netherlands Status: Offline Points: 517 |
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No, 24V would destroy it. 12V is the way to go.
How much liters of space do you have to work with?
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crossed
Registered User Joined: 26 September 2011 Location: Ky US Status: Offline Points: 217 |
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I would estimate it about 20liters. That is the bag itself, so not counting the ply box and contents.
Edited by crossed - 04 October 2014 at 6:32pm |
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