Ghettoblaster 2.0a, our second try at building a portable audio system. This time we decided to go with a mono design since we could use the whole case as a box for the only bass speaker instead of having to divide it into two sections, which would result to less bass ;) We calculated everything this time, so the vents in the front tune the box to the exact frequency we want it to.
Specs for version 2 are:
* 20x45x30 cm
* Bass: Visaton W 170 S 4
* Tweeter: Visaton SC 10 N
* Amplifier: TDA1562 (50W)
* 10Ah 12V lead acid battery
This time we added a removable back plate for field maintenance, which was impossible in the first blaster, since it was all glued together permanently :P All the parts are installed with machine screws instead of wood screws so that everything is interchangeable afterwards.
This is 2.0a since it still needs finishing on the paint job, the preamplifier isn't functioning right now, and it will have a few features added, such as:
* a bottle opener
* 2x 12V outputs
* 2x USB ports for charging
* a mixer for two separate audio signals
* mic input
(Suomeksi ei jaksa millään nyt kirjotella :D)
The first field testings were carried through on "vappu", a finnish spring celebration, and the results were more than promising :)