Newbie needs help on Loudspeaker and TDA1560Q power amp

yeoshiki · 3rd March 2006, 06:37 AM

Hi all. I am new to audio design. I just bought a loudspeaker rated at 8 ohms 30W and was told that I could connect it to the output of a standard hifi.

The question is does the power rating give any information of the maximum voltage and current that i can apply to the speaker without damaging it?

I am trying to design a power amplifier to drive this speaker and is considering to use the TDA1560Q amp chip from Phillips since only requires a low voltage input. The chip is rated at 40W. Will there be any chance of me damaging the speaker since the speaker is only rated at 30W?

Thanks in advance for helping to answer my queries.

lndm · 5th March 2006, 10:56 PM

Depends on your box and other things. Try using a good box simulator. These can show cone excursion, max attainable SPL's and thermally limited output (power handling).

3rd March 2006, 06:37 AM	#1
yeoshiki diyAudio Member Join Date: Mar 2006 Location: Singapore	Newbie needs help on Loudspeaker and TDA1560Q power amp Hi all. I am new to audio design. I just bought a loudspeaker rated at 8 ohms 30W and was told that I could connect it to the output of a standard hifi. The question is does the power rating give any information of the maximum voltage and current that i can apply to the speaker without damaging it? I am trying to design a power amplifier to drive this speaker and is considering to use the TDA1560Q amp chip from Phillips since only requires a low voltage input. The chip is rated at 40W. Will there be any chance of me damaging the speaker since the speaker is only rated at 30W? Thanks in advance for helping to answer my queries.

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5th March 2006, 10:56 PM	#2
lndm diyAudio Member Join Date: Mar 2006 Location: nsw	Depends on your box and other things. Try using a good box simulator. These can show cone excursion, max attainable SPL's and thermally limited output (power handling).

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