DIY sub-woofer with TPA3116D2
Recently my creative 2.1 sub-woofer burned out, the tda ic in side the
sub has lost its ghost.so i thought to repair it.but the pcb is too old.
so i thought instead of repairing this one, buy a kit from ebay and
build a diy solution.so i purchased a TPA3116D2 50Wx2+100W 2.1 Channel Digital Sub-woofer Power Amplifier Board from ebay.
this amp kit works from 12v to 24v DC,
sound quality is good.unfortunately this board does not contain a
thump-protection, so when powering up and powering down it makes a
annoying loud thump sound.
i choose to re-use the small speakers
from old creative sub, but i choose to build the sub-woofer myself with
the mdf sheets and LG home theater sub-woofer speaker.
i have used 12v 2AMP transformer model power supply. this kind of AMP kits also work great with SMPS power supplies as well !
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