RSW-15 Started making a popping or thumping noise in pairs, looking for advice

[Thors1982]

Noticed it just a little bit ago but happened very rarely I didn't know where it was coming from today we were watching Loki on disney+ and was happening every few minutes and noticed it was coming from the subwoofer.

 

I then ran a subwoofer test on youtube 100Hz to 4Hz and It seems to happens in likes pairs
thump - thump - pause - thump - thump - pause (repeat)

Take this part with a grain of salt as I didn't have a good angle nor have I really watched my subwoofer really before, but to me it seemed like the back/bottom was jumping out more so than the rest when the thump happened but barely so again take that with a grain of salt.

I turned it off for now as to not damage anything but curious if anyone has advice as to what to check? Or dig into. I love my Klipsch setup and ideally would love to repair it if possible. Thank you so much in advance.

Edit Just noticed I might should have posted this in the "Technical/Restorations" section but I didn't 😞 I know this community is great and I am sure people read multiple sections. So I won't cross post it yet as to not create spam but let me know if I should or I can wait if I don't get any help. Sorry about that! 

Edited November 15, 2023 by Thors1982
Possibly wrong section

[OO1]

your subwoofer amplifier may be overheating or you sustained a transient /surge  ,   let the unit cool ,  take out the power cord ,   

 

[Zen Traveler]

9 hours ago, OO1 said:

how old is your subwoofer

Fwiw, the RSW-15 has been discontinued for over 15 years.

[Thors1982]

Definitely colder in my house now that its approaching winter. So not impossible its overheating but seems more difficult.
I unplugged it and can test this evening.

Also Zen is correct I don't remember exactly when I bought it but its closer to 20 years old than 2 🙂

[OO1]

 

I was thinking of the R115-SW  ,   20 years old  is impressive  ,  stop using the unit  rather risking more damage , it's time to service the amplifier  

 

 

 

[willland]

Maybe get another plate amp or make it passive with an outboard amp.

 

Bill

[jjptkd]

On 11/15/2023 at 8:58 AM, Thors1982 said:

Definitely colder in my house now that its approaching winter. So not impossible its overheating but seems more difficult.
I unplugged it and can test this evening.

Also Zen is correct I don't remember exactly when I bought it but its closer to 20 years old than 2 🙂

 

 Klipsch has a special right now on their new RP subs the smallest version (10") for $489 has the same specs as the RSW-15 likely just over the cost of a plate amp service.

 

 https://www.amazon.com/Klipsch-Reference-RP-1000SW-Excursion-Subwoofer/dp/B0BSHDY84K/ref=asc_df_B0BSHDY84K&mcid=bad1fae5699c3c9ba2ef9cf0800dde7b?tag=bingshoppinga-20&linkCode=df0&hvadid=79989604221564&hvnetw=o&hvqmt=e&hvbmt=be&hvdev=c&hvlocint=&hvlocphy=&hvtargid=pla-4583589123031484&psc=1

 

Or if you want to really shake things up the 1600 is on sale for $1169 that's a helluva lot of sub down to 14.5hz for the money:

 

https://www.amazon.com/Klipsch-Reference-RP-1600SW-Excursion-Subwoofer/dp/B0BWNW3JXC/ref=sr_1_3?crid=21QL742XTL8Q9&keywords=klipsch+subwoofer+rp+1600&qid=1700746484&s=electronics&sprefix=rp-1600%2Celectronics%2C145&sr=1-3&ufe=app_do%3Aamzn1.fos.765d4786-5719-48b9-b588-eab9385652d5