BAttery Powered Amp

[Queue]

+1 for the little roland cube. it aint loud but its ok with accoustics and a cajon or bongos and nice to have a bit of bass on the beach. the effects and rhythm box are a bit cheesy but better than nothing.

+1 from me too

Me on an EAB with the Roland, 3 acoustic guitars (not amplified), a cajon, and various (unamplified) vocals on my buddy's back deck was perfecto. (did not use the FX or rhythm, but I have used the rhythm for practice.)

 

[Nephilymbass]

I played bass on the sideline for marching band one year. I ran two peavey 115 combos stacked off this deal my band directed got. It was a plastic box with a car battery inside and had regular outlets. Wasn't anything homemade. Used it everyday m-f for a few months and never had issues. it weighed at least 30 lbs though. I've seen the small pjb combo that runs off a motorcycle battery in some videos online but they always sound dirty and distorted. No one sells them here but if I could try one out and was happy with it I might go that route

For "acoustic" shows I like fretless bass. Acoustic bass can't hang with acoustic guitars without an amp. With an amp or on a loud stage feedback can be an issue. I think fretless works really well with acoustic guitars because its a little less percussive than fretted but a little more of a melodic instrument in a way.

 

[Stick_Player]

SOMETIMES... for kicks...

I use a [Invalid or Expired Link Removed] and plug a PJB Super Flightcase BG-300. Runs for several hours (4-5 at least).

Some buzzing, but it goes away if I keep my hands on the strings.

It does take about 24 hours to fully charge.

 

[Woodstockz]

...snip...
There was also a thread here on TB about a guy who engineered his own portable battery amp, I am sure somebody better with the search can find it for you.

MX21 has come up with a great solution:

http://www.talkbass.com/forum/f15/need-ideas-battery-powered-head-956563/index3.html