My DIY economical subwoofer

[igod]

Features:

Enclosure: 25 litre bass-reflex of 22mm MDF, Fb = 38Hz
Amplifier: discrete above 200W@MJ15003/4
Power suply: 250W toroidal transformer, 8 x 4700uF
Weight: 18kg

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

 

[BAM]

That's excellent, especially the DIY plate amp. Can we get a little more info about the driver? It looks like it might be either a 6.5" or an 8".

 

[qubix]

greetings from poland igod 😉

i'm also interested in the sub's amp specs.

 

[igod]

It's 8'' car-audio driver.

Fs - 28Hz
Qts - 0,42
VAS - 33l
Xmax - 8,5mm
Re - 2,5R

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

 

[jleaman]

You might want to solder them wires on to the speaker binding post's.. : O)