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12v portable soundsystem |
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tektonik 
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Joined: 27 February 2006 Status: Offline Points: 18 |
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 Topic: 12v portable soundsystemPosted: 13 August 2009 at 1:52pm |
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here are some pics of the start of another portable sound system
 the cab kindly given to me by mark  the mid bass driver is a sn-12mb neo and a p-audio copy 1" compression driver for hf  im useing 4 12v 20ah sealed lead-acid batteries in parallel powering a active crossover and a alpine car amplifier. in put will be through phono plugs mounted in a panel in the back. more pics to follow |
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http://www.myspace.com/recyclesoundsystem
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Hemisphere
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Joined: 21 April 2008 Status: Offline Points: 2272 |
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Posted: 14 August 2009 at 5:16pm |
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Each of those batteries is 20ah? They look so small! |
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james folkes
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Joined: 08 January 2005 Location: United Kingdom Status: Offline Points: 3064 |
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Posted: 15 August 2009 at 10:51am |
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they aren't 20... i have no idea how large they are but i will bet a substantial amount on them being nearer 2 than 20, they are a lot smaller than the 7s i have sat in front of me now.
cool mission though, i feel a 12 volt speakerplans shootout is becoming inevitable! tektonik, are you building a bass cab to go with? i like the way you are incorporating all the power and electronics in the mid top cab, really smart use of space as you (i'm assuming) won't need the extension provided by greater cabinet volume. good project! james.
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mardy hippy.
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Hemisphere
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Joined: 21 April 2008 Status: Offline Points: 2272 |
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Posted: 16 August 2009 at 7:27pm |
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actually just noticed that block of wood is covering half of them! They probably are 20 - looks about the same as this http://cgi.ebay.co.uk/12V-20AH-SLA-BATTERIES-X-4-12VOLT-20AH_W0QQitemZ130318261318QQcmdZViewItemQQptZUK_ConsumerElectronics_Batteries_SM?hash=item1e5792dc46&_trksid=p3286.c0.m14 if you account for the covered section.
Anyway good to see more 12v projects! Always interesting for me :) |
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subbass
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Joined: 30 March 2009 Location: bristol Status: Offline Points: 1683 |
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Posted: 16 August 2009 at 9:50pm |
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look about the same size as my 7Ah jobbies
good luck if they are 20! I have 3 24Ah batteries and they are a b*tch to carry (especially after i gaffer taped them together in parallel
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workidz
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Joined: 07 August 2009 Location: up to my neck Status: Offline Points: 106 |
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Posted: 17 August 2009 at 4:45am |
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im keen to see how it ends up :)
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tektonik
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Joined: 27 February 2006 Status: Offline Points: 18 |
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Posted: 17 August 2009 at 1:37pm |
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managed to get this finished over the weekend
 changed the alpine for a sony xplode one channel for mid bass other for hf using a active crossover  drivers installed  back of cab on left cigarette lighter socket for charging on right rca input and power switches  the bike for when i want to be portable     it can also be charged from my converted exercise bike when no mains power is available   i will be at the southern sounds festival dorset with this setup and a larger pedal powered rig if anybody is going come and say hello Edited by tektonik - 17 August 2009 at 2:01pm |
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http://www.myspace.com/recyclesoundsystem
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Mark James
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Joined: 15 January 2006 Location: rig side Status: Offline Points: 5309 |
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Posted: 20 August 2009 at 2:34pm |
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i never thought id see that with a driver in again lol! was my bedsite cabinet for years :P btw that is actualy made for a 10" and piezo not a 12" and 1" glad its back in use :p |
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me so horny me love you long throw
horn loaded for her pleasure |
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Mark James
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Joined: 15 January 2006 Location: rig side Status: Offline Points: 5309 |
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Posted: 20 August 2009 at 3:16pm |
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just seen this and heard it sounds good considering !!! top marks for effort there |
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me so horny me love you long throw
horn loaded for her pleasure |
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Strange Daze
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Joined: 14 July 2006 Location: United Kingdom Status: Offline Points: 2861 |
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Posted: 06 September 2009 at 11:18pm |
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nicelly done!!!
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subbass
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Joined: 30 March 2009 Location: bristol Status: Offline Points: 1683 |
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Posted: 06 September 2009 at 11:32pm |
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sweet :)
have already got my next 12v system on the drawing board, lol. gonna be portable unlike my current beast :D
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james folkes
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Joined: 08 January 2005 Location: United Kingdom Status: Offline Points: 3064 |
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Posted: 07 September 2009 at 9:39am |
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wow! what's the score with the trike conversion? did you hack the front off a go-cart? i'm very interested in how you achieved this.
james.
p.s. oh yeah, speaker looks good too!
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mardy hippy.
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