TDA8510J subwoofer amp

[BDAWG]

Hey!

I'd like to use a TDA8510J chip I got from a Creative 5.1 speaker system to build a simple amplifier for a 4ohm 20W driver. I drew the schematic below based on the schematic at page 11 in the TDA8510J datasheet (http://goo.gl/8kSxZf). The volume control part is from this site: ESP - A Better Volume Control.

Would this work? If, not then why? I'd like to learn!

EDIT: power input 12V, line level audio input

 

[Arty]

on first site it should work.

 

[BDAWG]

on first site it should work.

Thanks. I'm now waiting for a couple of components to arrive so I can try this out.

 

[BDAWG]

Unfortunately this design doesn't seem to work.

 

[BDAWG]

Ok, now I got somewhere. When I applied voltage to the mode switch on pin 14 the circuit works, exept it's making a very loud humming sound. Any ideas how to fix that?

 

[BDAWG]

Ok, now I got somewhere. When I applied voltage to the mode switch on pin 14 the circuit works, exept it's making a very loud humming sound. Any ideas how to fix that?

Looks like it's coming from the stereo amplifier. Disappears when the volume is other than 0. The audio volume is still very low, but some progress is better than none

 

[BDAWG]

I need to crank the volume to the max from my stereo amplifier to hear low volume audio that is VERY distorted. The sub is connected to subwoofer output of the stereo amp. Could it be bad components or something else?

 

[dash2000]

i have also creative sound system in which there are 2 ic

one is tda 7372 and other is tda8510j

when i connect 14pin of tda8510j my whole sound system stop giving output

when i remove it only tda 7372 work (4 speaker work ) 5th speaker and woofer isn't working at any condition

any help would be appreciated please

thanks alot

 

[dash2000]

please help