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In Reply to: RE: street party bikes posted by thump on April 24, 2016 at 10:59:14
OH... and a majority of street party bikes have lousy sound quality using cheap "coax" car speakers. even a lot of the car systems here sound like crap
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The pictured system is sweet and simple. Is that a Dayton amp? I got one of these to build a country lo-fi system, and the amp is notably bass shy. You might find that you can get better bass from it if you research mods.
Also: the 'Boominator' threads are a good place to look for more ideas on battery powered portable systems.
no, the amp is an original sonic impact... before dayton rebranded them and switched the color to black. it was a pretty nice sounding amp, but a bit on the cheap side. eventually, the spring terminals started to go on it from hooking it up bare wire every time i went out and i fried it. as to the simplicity of the system, i was most proud of figuring out using the basket bungees as shock absorbers for the CD player.i wouldn't call the amp bass shy. even with those 85dB missions with their ports plugged, i could feel my bike frame vibrate and got a sunbathing chick up and dancing over 100 feet away on a bike path, but 10w real world can only do so much.
the new system, as i'm planning it, will use a 2x100w sure amp for the mains, and a 1 x 200w going into 4 x 12" high efficiency woofers in a pair of sealed car boxes unless it turns out aluminum fabricators charge NASA prices. the trailer i want has 28 1/2" between the wheels and the sub boxes are 14"w x 28"l so wood isn't an option. if an aluminum frame is too much, i'll use wood and 10s instead.
i kind of miss the old system. it brings up memories of a hot busty MILF freaking on my leg to my sharona while i tried to keep the top heavy system from tipping over.
the new system will not only be a lot louder, but more comfortable too with a nice cushy seat recumbent like this
Edits: 04/25/16 04/25/16 04/25/16 04/25/16 04/25/16
The boominators are plywood and come in at <30kg (including amp and batteries). Clever construction rather than expensive materials: the woofers are glued back-to-back to cancel vibration & so that the woofer frames double as cabinet bracing.
A lean cyclist with a 30kg trailer should get around more easily than a non-cyclist with a 30kg belly :)
Curiosity: where exactly are you going to use this?
my ultimate plan will have 4 x 12s facing upwards with the mains facing forwards. i've seen a different version of the boominator and don't like the name. it sounds like ports and i hate ports. oh, that's right, i replied in the DIYaudio boominator thread and said i'm working on a thumpinator. i prefer SQ and especially transients over extension.where do i plan on using the system? biking events, tailgate parties, downtown when all the clubs are blasting lousy gangsta crap and other forms of spitting, and parades. i'd cruise the bike paths here, but they're very sparsely populated and not too scenic either.
in theory... 96dB x 64w should = 117dB with even higher efficiency AND power to the subs, but i'm not planning on maxing the power out unless people really get into it and want to dance.
hauling the system won't be an issue, i've used another trailer and same model bike to haul almost everything i owned over 10 miles a trip between storage and my apartment 3-4 trips a day with no problem including hauling 50 gallon tubs filled with soil. staying on flats and running high tire pressures is the key. that's why i'm avoiding plastic rims for this trailer system.
Edits: 04/25/16 04/25/16 04/25/16
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