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Is it possible a 20 amp outlet can make a big difference in SQ?

This is a somewhat rhetorical question, but I'm interested if anyone has a similar experience, or can explain why...

I have one duplex outlet to power everything. I assumed it was 15 amp so a few months ago I replaced the outlet with a hospital grade 15 amp outlet. (fwiw there are 4 wires, 2 white 2 black). My tube amp is plugged directly into the wall.

On Friday the air-con went out so I had a reason to check the fuse box - and realized that the circuit powering my AV is 20 amp.

So I replaced the outlet with the same brand and grade but 20 amp. 

I was surprised that there was a significant change in SQ - I'd say dynamics are faster, more detailed, more powerful. 

If I'd spent $500 or more I'd factor in the mental bias but I spent $20 and expected nothing.

Am I imagining this?

Any thoughts? 

macg19
macg19 OP
945 posts
 

@carlsbad

No, I did not change the power cord at the same time.

I did not change any of the breaker switches - most are 20 amp.

Note I rent the house - I mention that to explain why I wasn’t super familiar with the breaker box.

Now that you mention it - it is possible the previous 15 amp outlet was improperly installed - this was in Dec - I was trying to do way too much after back surgery - so that could be it.

In any case, glad I found a reason to rectify the issue whatever it was...and for sure there is a lesson here:)

Thanks Jerry

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macg19 OP
945 posts
 

@steakster thanks, makes me feel a whole lot better

christianb5s4
237 posts
 

I had three dedicated 20amp circuits run to my living room when I needed to upgrade the main panel. It was a substantial improvement over the two regular circuits previously, quieter noise floor, better dynamics, more cohesive sound.

 

I didn't go crazy, quality outlets, copper 12ga wire, good Breakers, and quality grounding. It made a bigger difference than some component upgrades.

lak's avatar
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lak
4,665 posts
 

@dmac67 what gauge wire is run from your circuit breaker to your outlet?

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