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Amplifier pop / DC output on turn-on (Pioneer PRS-D4100F) - VIDEO
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<blockquote data-quote="GuySmily" data-source="post: 8198750" data-attributes="member: 634918"><p>Still have pop and then DC power going to sub for a short time before music kicks in.</p><p></p><p>Gain and LPF were already set identically for both input channels, so no luck there. Thought I was on to something for a second. Oh well.</p><p></p><p>I had the exact same problem with 3 different headunits, so that's a no-go.</p><p></p><p>I'm using this amp because I already had it on hand. Trying to minimize spending, being a semi-poor college student and all that. I ordered the D4 sub specifically so that I could use it with this amp in bridged mode, which supports 2 channels at 4 ohms each.</p><p></p><p>I understand how to wire the coils for 8 ohms (I'm a computer engineering major), but instead of bridging one side and cutting my power in half, I could just use it in unbridged mode on Channel A only. There's no pop that way (instant turn-on, no weird DC-hold), but having half the power output just isn't good enough.</p><p></p><p>Might have to throw in the towel and check with Pioneer on this one, or I'll take it apart and see if there's anything wrong internally. I'm pretty confident that the install is correct, especially now that it's wired for mono output instead of stereo.</p><p></p><p>Worst case, I'll ask for a new 2-channel amp for Christmas.</p></blockquote><p></p>
[QUOTE="GuySmily, post: 8198750, member: 634918"] Still have pop and then DC power going to sub for a short time before music kicks in. Gain and LPF were already set identically for both input channels, so no luck there. Thought I was on to something for a second. Oh well. I had the exact same problem with 3 different headunits, so that's a no-go. I'm using this amp because I already had it on hand. Trying to minimize spending, being a semi-poor college student and all that. I ordered the D4 sub specifically so that I could use it with this amp in bridged mode, which supports 2 channels at 4 ohms each. I understand how to wire the coils for 8 ohms (I'm a computer engineering major), but instead of bridging one side and cutting my power in half, I could just use it in unbridged mode on Channel A only. There's no pop that way (instant turn-on, no weird DC-hold), but having half the power output just isn't good enough. Might have to throw in the towel and check with Pioneer on this one, or I'll take it apart and see if there's anything wrong internally. I'm pretty confident that the install is correct, especially now that it's wired for mono output instead of stereo. Worst case, I'll ask for a new 2-channel amp for Christmas. [/QUOTE]
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Amplifier pop / DC output on turn-on (Pioneer PRS-D4100F) - VIDEO
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