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Old 07-14-2002, 06:07 PM   #1
Lee

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What does "two ohm stable" mean? ..

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3.7 What does "two ohm stable" mean? What is a "high-current" amplifier? [JSC]
An X-ohm stable amplifier is an amp which is able to continuously power loads of X ohms per channel without encountering difficulties such as overheating. Almost all car amplifiers are at least four ohm stable. Some are two ohm stable, which means that you could run a pair of four ohm speakers in parallel on each channel of the amplifier, and each channel of the amp would "see" two ohms. Some amps are referred to as high-current, which is a buzzword which indicates that the amp is able to deliver very large (relatively) amounts of current, which usually means that it is stable at very low load impedances, such as 1/4 or 1/2 of an ohm. Note that the minimum load rating (such as "two ohm stable") is a stereo (per channel) rating. In bridged mode, the total stability is the sum of the individual channels' stability See section 3.5 What does "bridging an amp" mean? [MHa].
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