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Minirig |
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toastyghost 
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Joined: 09 January 2007 Location: Manchester Status: Offline Points: 10919 |
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 Posted: 02 March 2011 at 10:58am |
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Where can I send you the money to preorder one, basically?
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davey t
Young Croc 
Joined: 11 March 2004 Location: Bristol UK Status: Offline Points: 1428 |
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Posted: 02 March 2011 at 11:16am |
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:D got the website going up very soon.. this week hopefully.
can you comment on the charging socket... I was going to make it a large USB type B socket but I think the 5.5mm DC power socket looks better, seals better and is more universal? It's going to come with a 5.5mm to USB cable the 3.5mm sockets are of course linked so you can daisy chain them up. The light at the bottom changes colour depending upon battery charge level. No volume control on this prototype... i'm not sure whether to add it or not. It would be in the form of touch buttons on the top but would add cost and increase the price.
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Minirig portable soundsystem movement
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Edd Jordan
Young Croc
Joined: 10 January 2008 Location: United Kingdom Status: Offline Points: 1364 |
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Posted: 02 March 2011 at 11:41am |
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I do a sideline in ply wood wheels.
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subbass
Old Croc 
Joined: 30 March 2009 Location: bristol Status: Offline Points: 1683 |
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Posted: 02 March 2011 at 12:46pm |
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whats the cylinder made out of?
lookin' good
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toastyghost
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Posted: 02 March 2011 at 1:01pm |
USB sockets do tend to get loose, even the smaller micro and mini types but to be honest DC barrels aren't much better - as anybody who's ever done laptop repairs will tell you. Depending on how accessible the DC input is for repairs, I'm fine with it. Don't think a volume control is needed as long as the input sensitivity is high enough/impedance low enough to accomodate the wide range of output devices found in MP3 players and phones. Perhaps a simple flathead screw that can adjust the input sensitivity just in case? |
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rich_gale
Old Croc
Joined: 18 February 2008 Status: Offline Points: 2697 |
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Posted: 02 March 2011 at 1:05pm |
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brilliant mate!. no need for a volume control imo. id set it up to work best with an ipod source. maybe just have a little pot inside, and a hole for a precision screwdriver if someone desperately needs to get it working for a less popular source.
is there an active highpass filter before the amplifier? id love to hear 20 of these hooked up! |
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REFLEX ALL THE WAY.... (however, im playing with horns again...) That ok Mister Valiant? :)
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abbotsmike
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Joined: 28 December 2009 Location: Hillingdon, UK Status: Offline Points: 343 |
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Posted: 02 March 2011 at 1:18pm |
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Looks awesome! The DC jack should be fine, they are common as muck, and cheap! as said, they tend to work loose, but mostly through abuse, and this should be stationary when charging. Volume control not essential IMO, as said, just make sure it can make full volume off an iPod/iPhone/mobile phone source.
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davey t
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Joined: 11 March 2004 Location: Bristol UK Status: Offline Points: 1428 |
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Posted: 02 March 2011 at 1:51pm |
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good feedback thanks!
I think barrel socket will be more reliable in the long run. You can charge it from anything between 2-8V so it's pretty adaptable. You can even charge from a 3xAA batteries with the right adapter Its currently set to around 30db gain which gives you max output (just) from an ipod nano. The only trouble is the noise floor is higher with a high gain and listening at really really low volumes is compromised Its also a pain when using a laptop as you have to turn all the various volume controls right down an idea just occurred to me to have two gain settings - a low and high which you select by plugging into either the lower or upper jack socket. Obviously if you link through and use both then it will set to high. I think that could work quite well. :) oh the case and grill is aluminium of course. The prototype isn't anodised but the final version will be.
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Minirig portable soundsystem movement
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SamV
Old Croc
Joined: 21 October 2008 Location: London Status: Offline Points: 8711 |
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Posted: 02 March 2011 at 2:03pm |
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What's wrong with a high/low switch?
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SamV
Old Croc
Joined: 21 October 2008 Location: London Status: Offline Points: 8711 |
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Posted: 02 March 2011 at 2:04pm |
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I might have to rack your brains about production tooling/costs, well both you and rich. Currently working on a commercial project
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davey t
Young Croc
Joined: 11 March 2004 Location: Bristol UK Status: Offline Points: 1428 |
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Posted: 02 March 2011 at 2:43pm |
switches are a no no... the speaker relies on complete air seal which a switch would compromise. plus the extra cost.
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Minirig portable soundsystem movement
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imageoven
Old Croc
Joined: 28 March 2007 Location: Scotland Status: Offline Points: 2186 |
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Posted: 02 March 2011 at 9:44pm |
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Is there a projected price for this latest design?
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Keep pushing on, things are gonna get better.
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davey t wrote: