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afterdawn.com > forums > home theater > receivers and amplifiers > impedance problem???
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Impedance problem???
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petruma
Newbie
_ 		2. April 2009 @ 16:24 _ Link to this message    Send private message to this user   
Hello!
I want to buy "better" loudspeakers to my device. It's Philips HTR 5000. I have a good offer of Proson 5.1 loudspeakers.
I noticed that the original speakers were 3 ohms, impedance. If I buy 4 ohms speakers, do I have any problems with this device?
Sorry for my bad English!
Please help me!
[ + quote]
varnull
Suspended permanently
_ 		2. April 2009 @ 23:51 _ Link to this message    Send private message to this user   
Impedance is a nominal figure anyway relates to frequency.. and the way a coil which can move in a magnetic field will behave.. just don't go under 3 and it will be fine.... I wouldn't worry unless a dc reading of the speaker network was below 1 ohm on 3 ohm nominal outputs.

actually transistor amps are funny.. you can increase the impedance to infinity with no harm to the outputs, but a short will usually cause damage..

tube amps are the opposite.. they will drive into dead short no problems.. but open circuit outputs will cause massive damage to the output tubes XD
[ + quote]
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