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<blockquote data-quote="ilias" data-source="post: 33394" data-attributes="member: 238"><p>We get asked about passive biamping in receivers all the time and it is important to have realistic expectations when attempting it (not to mention taking care to do it properly). When considering the finite output impedance of most A/V receivers, the question remains whether there is real benefit for passively biamping a low impedance loudspeaker system when the receiver in question offers such an ability. The idea of passively biamping a speaker system is not so much for added headroom, but for minimizing frequency response variations in amps with finite output impedances offering better system control and smoother frequency response. The best advice here is to try it and determine if it works for your situation. This of course assumes you will be running a 5.1 system, otherwise you will need those two extra amplifiers to power the back channels in a 7.1 configuration</p><p> </p><p></p><p> </p><p></p><p>If you want to biamp your main speakers using this feature, there are a couple of requirements:</p><p></p><p>Your main loudspeakers must have a set of "high" and "low" binding post terminals. </p><p>Note: Check with the manufacturer/dealer of your loudspeakers to make sure your speakers are in fact biampable and not just biwireable. </p><p>You must remove the jumper which normally connects the "high" and "low" speaker terminals. </p><p>You will need an extra pair of speaker cables (<span style="color: Red"><strong>bi-wire cables will not work and will actually damage your receiver.) </strong></span> </p><p></p><p>To passively bi-amp your Pioneer VSX-815, simply follow these steps:</p><p></p><p>Remove the jumpers that join the "hi" and "low" binding post inputs on your main speakers </p><p>Connect the Front Left & Front Right outputs to the "high" binding post inputs of each of the respective loudspeakers </p><p>Connect the Surround Back speaker outputs to the "low" binding post inputs of each of the respective loudspeakers </p><p>Se the SB.SYSTEM setting to "BIAMP"</p></blockquote><p></p>
[QUOTE="ilias, post: 33394, member: 238"] We get asked about passive biamping in receivers all the time and it is important to have realistic expectations when attempting it (not to mention taking care to do it properly). When considering the finite output impedance of most A/V receivers, the question remains whether there is real benefit for passively biamping a low impedance loudspeaker system when the receiver in question offers such an ability. The idea of passively biamping a speaker system is not so much for added headroom, but for minimizing frequency response variations in amps with finite output impedances offering better system control and smoother frequency response. The best advice here is to try it and determine if it works for your situation. This of course assumes you will be running a 5.1 system, otherwise you will need those two extra amplifiers to power the back channels in a 7.1 configuration If you want to biamp your main speakers using this feature, there are a couple of requirements: Your main loudspeakers must have a set of "high" and "low" binding post terminals. Note: Check with the manufacturer/dealer of your loudspeakers to make sure your speakers are in fact biampable and not just biwireable. You must remove the jumper which normally connects the "high" and "low" speaker terminals. You will need an extra pair of speaker cables ([COLOR="Red"][B]bi-wire cables will not work and will actually damage your receiver.) [/B][/COLOR] To passively bi-amp your Pioneer VSX-815, simply follow these steps: Remove the jumpers that join the "hi" and "low" binding post inputs on your main speakers Connect the Front Left & Front Right outputs to the "high" binding post inputs of each of the respective loudspeakers Connect the Surround Back speaker outputs to the "low" binding post inputs of each of the respective loudspeakers Se the SB.SYSTEM setting to "BIAMP" [/QUOTE]
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