Sony STR-7055 Distortion

[SquarePusher]

Hey Guys! I’m new to AK!
Snagged a STR-7055 for $60 and cleaned it up the pots with Deoxit. I notice when I higher the volume the speaker start distorting having a warped type sound. Doesn’t happen with headphones. Any advice?

Speakers are: https://www.cnet.com/products/pioneer-s-h152b-k-speakers/


Edit: Video Of Issue

https://streamable.com/ja5dnr

 

[50 Green]

This from the specs you link to:
Recommended Amplifier Power
15 Watt
The receiver is rated at 35 watts, and Sony was very conservative with their wattage specs on these units. You may be turning the volume up high enough to drive the speakers into distortion.

That's a very good price for a working STR-7055.

 

[SquarePusher]

This from the specs you link to:
Recommended Amplifier Power
15 Watt
The receiver is rated at 35 watts, and Sony was very conservative with their wattage specs on these units. You may be turning the volume up high enough to drive the speakers into distortion.

That's a very good price for a working STR-7055.

Just to show you what happens.

https://streamable.com/ja5dnr


when I move the balance to the right it’s sounds fine as I get higher. But the left is staticy

 

[50 Green]

Try switching speakers: connect the one you now have on the right channel to the left, and vice versa. Dos the distortion stay on the left channel, or will it follow the speaker to the right?

 

[SquarePusher]

Try switching speakers: connect the one you now have on the right channel to the left, and vice versa. Dos the distortion stay on the left channel, or will it follow the speaker to the right?

Nope it’s fine if I balance it to one speaker it’ll go louder so I’m assuming it’s just distorting the speakers

 

[Johnny_Law]

Can you try it on another set of speakers?

 

[SquarePusher]

Can you try it on another set of speakers?

Im going to purchase another pair at best buy and try it out and confirm.

 

[50 Green]

Im going to purchase another pair at best buy and try it out and confirm.

Be sure whatever you get can handle at least 50 watts.

 

[SquarePusher]

Be sure whatever you get can handle at least 50 watts.

Yup! Got these. Thank you for your time https://www.bestbuy.com/site/sony-c...f-speakers-pair-black/5721014.p?skuId=5721014

 

[SquarePusher]

Be sure whatever you get can handle at least 50 watts.

https://streamable.com/ja5dnr

Here’s a glimpse of what’s going on by the way!

 

[SquarePusher]

Can you try it on another set of speakers?

Still clips with the new speakers sadly. Gonna take it to get looked at

 

[Johnny_Law]

Still clips with the new speakers sadly. Gonna take it to get looked at

Bummer.

I had a strange channel 'pulse' in an STR-6055 that turned out to be a bad OPT, but it sounded bad no matter the volume. Hope yours makes it back to 100%.

 

[SquarePusher]

Bummer.

I had a strange channel 'pulse' in an STR-6055 that turned out to be a bad OPT, but it sounded bad no matter the volume. Hope yours makes it back to 100%.

Same here, thankfully I found a local electrical engineer in the next town. Has a lot of good reviews and when I walked in saw a bunch of other Solid States and Tube Stereos around. So I felt confident. Hope for the best