The Chainlink


Bike Sound

Dingy bells, squealing brakes, air hissing out of tires . . . no wait, this group is about mobile sound systems.

Members: 45
Latest Activity: Jun 11, 2019

Discussion Forum

Wanted to buy - sound system that fits in milk crate 3 Replies

Started by willow naeco. Last reply by Dean Bekken Apr 7, 2015.

Boom Bike 4.0 Shopping List 31 Replies

Started by Spencer "Thunderball" Thayer!. Last reply by Jimmy Miller Oct 16, 2013.

Shorai Batteries 1 Reply

Started by Matt. Last reply by h' Zerocats Jul 5, 2013.

Boom Cases 4 Replies

Started by Matt. Last reply by Gort 12-mile Pinklegneep May 18, 2012.

Syncing mobile sound systems-- best solution yet 17 Replies

Started by h' Zerocats. Last reply by h' Zerocats Jun 28, 2011.

Bike sound component givaway

Started by Brendan May 30, 2011.

Power Is Out? 11 Replies

Started by Matt. Last reply by Matt May 23, 2011.

Speakers? 12 Replies

Started by Matt. Last reply by Matt May 10, 2011.

Any reasonably affordable way to get into lithium batteries? 7 Replies

Started by h' Zerocats. Last reply by Spencer "Thunderball" Thayer! May 5, 2011.

building a bike sound system.... 4 Replies

Started by Josh. Last reply by Fat Tire Frank Apr 7, 2011.

Comment Wall


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Comment by h' Zerocats on May 26, 2012 at 5:07am

Thanks-- no load tester. Charger still works normally with other batteries.

Some decent sounding systems on the mass tonight.

Comment by Far'arned Retrogrumpalunkus #63 on May 25, 2012 at 7:50am

It sounds like there is a problem Howard -either with the charger or the battery itself.  Do you have access to a battery load-tester?  Really, the only way to tell if a battery is good or not is under load.  I've got one of those cheap 100A harbor-freight carbon-pile load testers and it does a pretty good job on both 12v and 6v nominal batteries.  

I got mine on sale for $9.99 as HF is crazy with the sales sometimes but at $25 right now it is a handy thing to have around the shop if you ever work on batteries or equipment like this that has batteries.  

Comment by h' Zerocats on May 25, 2012 at 12:07am

My 38 aH SLA is showing "full" with 4.9 volts per my "smart charger."

Is it toast?

Comment by Gort 12-mile Pinklegneep on May 18, 2012 at 12:41am

Battery tech is incredibly slow and steady in its progress. There are periodic announcements of some huge gains in density, discharge, or charging time but not all three which are pretty much the prerequisites for some great leap in actual consumer use.

As for their utility in boombikes, if you really need more power than some sealed lead-acid can put out you're also going to wind up needing a housing that'll weigh something massive in order to make it sound worth doing at which point you've already signed on to pulling some serious weight.

Comment by Matt on May 17, 2012 at 11:58pm

Will this technology come to fruition while any of us are still pulling systems? If it does, will we ever see a version of it that is light, small and inexpensive enough for practical use by us, or those who might come after us? I don't have the answers, but this does give us reason to believe that the future of Bike Sound is ... light ...

Comment by h' Zerocats on November 15, 2011 at 11:07pm

Interesting advances in Lithium battery technology:

Comment by h' Zerocats on September 23, 2011 at 8:45pm
Wearable sound system for a Unicylist?
Comment by h' Zerocats on July 14, 2011 at 10:27am
Identical playlists, supposedly identical iPods (4th gen 20 GB), press "play" at the same time.  One of the iPods was a little funky and would hiccup now and then, so resyncing was necessary periodically.
Comment by Spencer "Thunderball" Thayer! on July 14, 2011 at 9:48am
So did you use the wifi solution or an FM transmitter?
Comment by h' Zerocats on July 13, 2011 at 10:14pm

Some old clips I came across.

The "MIP" is Mexican Independence Day parade.  I had two trailers synced. 

"Jesus Block Party" is my neighbor Jesus pulling a system around that I trashed/took apart at some point (maybe one of you ended up with parts of it, can't remember).


All sound is as received by my cheap camera's mic.


Members (45)


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