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Car Audio Equipment
Amplifiers
Should I buy a 2nd amp and bridge, or sell amp and buy more powerful 4 channel one?
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<blockquote data-quote="zako" data-source="post: 8025107" data-attributes="member: 629735"><p>I don't understand how you can power 4 component speakers with a 4 channel amplifier while also bridging. Also, I wouldn't recommend bridging small Class A/B amplifiers in general. When you bridge, your channels are seeing 2ohm impedance. This lowers amplifier efficiency, which means that the amplifier will waste more energy as heat. This can be an issue during the months when you see &gt;100F temperatures outside.</p><p></p><p>My personal recommendation, if you want to save money and if you're happy with the way this amplifier already works (e.g. no noise, no alternator whine, no overheating, no audible distortion), leave the amplifier as is, plug in the component speakers and see how it goes. If you're not happy after this buy a more powerful amplifier. My pick would be PPI P900.4 or a similar (it has clones, like Soundstream TN4). It's a fine little amp that provides massive power, clean sound (to my ear), and always runs cool, even when seeing 2ohm impedances.</p></blockquote><p></p>
[QUOTE="zako, post: 8025107, member: 629735"] I don't understand how you can power 4 component speakers with a 4 channel amplifier while also bridging. Also, I wouldn't recommend bridging small Class A/B amplifiers in general. When you bridge, your channels are seeing 2ohm impedance. This lowers amplifier efficiency, which means that the amplifier will waste more energy as heat. This can be an issue during the months when you see >100F temperatures outside. My personal recommendation, if you want to save money and if you're happy with the way this amplifier already works (e.g. no noise, no alternator whine, no overheating, no audible distortion), leave the amplifier as is, plug in the component speakers and see how it goes. If you're not happy after this buy a more powerful amplifier. My pick would be PPI P900.4 or a similar (it has clones, like Soundstream TN4). It's a fine little amp that provides massive power, clean sound (to my ear), and always runs cool, even when seeing 2ohm impedances. [/QUOTE]
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Should I buy a 2nd amp and bridge, or sell amp and buy more powerful 4 channel one?
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