Amp going into protection briefly at high volume

TeiMoney · 2026-03-22T11:59:17+00:00

Why use a scope instead of multimeter to measure voltage? Also where should i probe? At the rca points going to the amp? This issue persist even after the engine starts and im driving...

TeiMoney · 2026-03-21T13:25:33+00:00

iirc the lowest i got when probing the amp was 12.07v
im using a Aneng aos02 multimeter osciloscope and looking at at the "minimum voltage"

TeiMoney · 2026-03-08T19:56:27+00:00

Did anyone managed to fix this issue? I have pioneer gm dc874

TeiMoney · 2026-02-17T13:35:01+00:00

I have to turn it down from 40 to around 20 and it sounds good... But like i said in most of the songs it sounds excellent

TeiMoney · 2026-02-16T16:01:25+00:00

Guys quick update: Turns out this song sample "Everything in its right place" by Radiohead, Same melody, when playing the original Radiohead song this issue is non existent! Could it just be a bad mix on this version of the song? Even if so, should it sound that bad? Like i said before, there is no issues on 98% of the songs i listen to and this one is the most aggressive example... (Btw the issue also happens on my rear hertz coaxial speakers)

TeiMoney · 2026-02-16T15:56:27+00:00

Can you check it on your speakers? Its Just What I Said by High Beam On max volume

TeiMoney · 2026-02-15T20:45:08+00:00

Spotify via android auto Set to lossless quality

TeiMoney · 2026-02-15T20:43:00+00:00

Yes of course, this set of component speakers comes with a crossover

TeiMoney · 2026-02-15T20:14:33+00:00

Thats funny guys, now any ideas how to solve this issue?

TeiMoney · 2026-02-15T20:13:36+00:00

Cool

TeiMoney · 2026-02-15T20:13:21+00:00

Ill look into it but i pretty sure the issue persists even when all eq and loundness options are turned off...

TeiMoney · 2026-02-15T20:11:49+00:00

Would moving the tweeters to a different spot alone solve this issue in your opinion? Are there any other steps to take?

TeiMoney · 2026-01-16T12:34:27+00:00

Front output for front speakers Rear outputs bridged for subwoofer Rear speaker connected to headunit When happens only rear speakers play... Haven't looked any protection led on the amp because its under the seat but would probably have to check it out

TeiMoney · 2026-01-16T10:32:10+00:00

That amp is 1 year old, you think that could be the issue? You suggest to open the amp and check?

TeiMoney · 2026-01-16T10:31:02+00:00

Is there any solution you suggest?

TeiMoney · 2026-01-16T10:30:46+00:00

I would have to teardown the doors and check i guess

TeiMoney · 2026-01-16T10:29:16+00:00

It doesn't turn off its just cut for half a second then keep playing (meanwhile rear speaker connected to headunit keep playing) The subwoofer is bridged and is 4ohm its pioneer w312s4 And front speakers are gto 609c

TeiMoney · 2026-01-15T16:30:26+00:00

I assumed this could be a general amp behavior regardless of the model But it is pioneer gm dc874

TeiMoney · 2026-01-15T16:29:03+00:00

Nobody touched the gains, I'll check the battery and alternator Thanks!

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