TDA2030 tone control - Page 2

psychosteve72 · 6th December 2009, 08:42 PM

take a look at the tda2050/lm1875 discussion thread,

Tda2030 vs lm1875

the tda 2050 is 25watts into 8ohm and 32watts into 4ohm. if you bridge into 8ohm to get 50watts thats 25 per chip into 4ohms from the data sheet you would need +/- 15 volts. (at full input voltage!)

hope this helps, happy soldering, steve.

chingyg · 7th December 2009, 01:30 PM

I have ordered the TDA2050's they cost abt 1$ here. Can I put 4 of them on a CPU heatsink with a fan, will it be good enough for cooling?

psychosteve72 · 7th December 2009, 08:08 PM

depends what the cpu cooler is from, and if you are going to run the fan? around 50mm x 50mm x 75mm was good enough for me running 4 chips, with the fan running at about 40% speed with a simple opamp pwm control.hope this helps, steve.

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6th December 2009, 08:42 PM	#11
psychosteve72 diyAudio Member Join Date: Sep 2009	take a look at the tda2050/lm1875 discussion thread, Tda2030 vs lm1875 the tda 2050 is 25watts into 8ohm and 32watts into 4ohm. if you bridge into 8ohm to get 50watts thats 25 per chip into 4ohms from the data sheet you would need +/- 15 volts. (at full input voltage!) hope this helps, happy soldering, steve.

7th December 2009, 01:30 PM	#12
chingyg diyAudio Member Join Date: Sep 2009 Location: South Africa	I have ordered the TDA2050's they cost abt 1$ here. Can I put 4 of them on a CPU heatsink with a fan, will it be good enough for cooling?

7th December 2009, 08:08 PM	#13
psychosteve72 diyAudio Member Join Date: Sep 2009	depends what the cpu cooler is from, and if you are going to run the fan? around 50mm x 50mm x 75mm was good enough for me running 4 chips, with the fan running at about 40% speed with a simple opamp pwm control.hope this helps, steve.

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