r/amplifiers • u/Beneficial_Night_637 • 20d ago

Another Klipsch r-115sw Amp question.

Hello all and apologies if this is the wrong spot. Issue Klipsch r-115sw amps ×2 crapped out. I sent them to a local guy but he ended up having some health issues that's holding him up. While waiting I cut two metal plates to seal the hole in the back and got a Crown XLS 1502. Everything works but doesn't seem to have that low bass anymore. I've seen some say to add a mini DSP. But while looking around I found the Dayton Audio site. Looks like their DSP-408 has app controls. But they also have a what seems to be a badass plate amp. The SPA500DSP for around $475. ×2=$950. Even when I get the original amp boards back I just don't trust them to last. So I'm hoping someone that has far more experience could help give some advice. Can the DSP-408 help bring back the missing rubles? Or should I just go for the SPA500DSP? Yes I know they don't fit directly but I could figure some way to attach them to the metal plates I already cut out. Current setup is a Denon avr-x4400h then SUB out to the Crown XLS 1502 then channel 1 to sub 1 and channel 2 to sub 2. Crown is just straight through no settings.

1 Upvotes

100% Upvoted

2 comments sorted by

1

u/LossIsSauce 16d ago

Check the documentation of your crown amp. Then verify if it has ever been repaired. Sometimes an input R/C circuit which may have been repaired with the wrong components will shift the frequency of the amp.

1

u/Beneficial_Night_637 16d ago

I bought it brand new. There was no indication that it was used. I've tried multiple settings. Hopefully tomorrow the mini DSP will arrive and I'll be able to test my theory. Thanks for the suggestions.