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<blockquote data-quote="Chippa02" data-source="post: 8779415" data-attributes="member: 684902">Hi All,New to tackling some basic improvements to stock system and learning for myself along the way but need some help from the more experienced people <img class="smilie smilie--emoji" loading="lazy" alt="🙂" title="🙂" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" />I have an older 4 ch Pioneer bridgeable amp ( 1000w class D - ice) and wanting to hook up sub correctly. I have wired in to rear speakers a basic line level converter with RCA&#039;s to amp.I have read/watched many vids regarding adjusting gain with multimeter to achieve an acceptable voltage output from channels.My question is if I bridge two channels for sub will my volts equation change if bridging ?? I.E amp is 75w RMS per channel and sub 4 ohms for one channel calculation...or do I have to use 150 x 4 to get correct volts calculation.Amp has two gain controls (A &amp; B )Hope it&#039;s not a dumb question..thanks in advance for any advice Cheers <img class="smilie smilie--emoji" loading="lazy" alt="🍻" title="🍻" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f37b.png" /><img class="smilie smilie--emoji" loading="lazy" alt="🍻" title="🍻" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f37b.png" /></blockquote>

[QUOTE="Chippa02, post: 8779415, member: 684902"] Hi All, New to tackling some basic improvements to stock system and learning for myself along the way but need some help from the more experienced people 🙂 I have an older 4 ch Pioneer bridgeable amp ( 1000w class D - ice) and wanting to hook up sub correctly. I have wired in to rear speakers a basic line level converter with RCA's to amp. I have read/watched many vids regarding adjusting gain with multimeter to achieve an acceptable voltage output from channels. My question is if I bridge two channels for sub will my volts equation change if bridging ?? I.E amp is 75w RMS per channel and sub 4 ohms for one channel calculation...or do I have to use 150 x 4 to get correct volts calculation. Amp has two gain controls (A & B ) Hope it's not a dumb question..thanks in advance for any advice Cheers 🍻🍻 [/QUOTE]

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