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Klipsch RP8000f ii, Almost no bass!..


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Last year I bought Klipsch RP8000f ii & Marantz SR5015 avr. I was told and saw many reviews that the bass response is very good of these speakers so you might not need Sub for music listening.
When i paired and played the sound was very flat, almost no bass, the woofer diaphragm hardly moves forward/backward. Its not like its completely Off but i don't think they are running on their best capacity. I tried two vintage stereo amps as well with no fancy UIs but the problem of bass is consistent with these speakers. I keep the bass eq(s) all time at highest it does add bass overall but its not punchy or detailed as people says and it happens to both Left and Right speakers.

Jumpers are all set properly. No bi-wiring. No bi-amping.

Anybody facing similar situation? Any remedies?

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Is one speaker wired out of phase? Try reversing the wires connecting to one speaker.

 

It's also possible one of the individual bass drivers is wired out of phase with regard to the

other bass driver in the same cabinet. Poop happens at the factory.

 

To confirm the drivers are actually moving, it's okay to put a finger on the edge to verify.

Do this with all four woofers.

 

Does the music you're playing have large bass content?

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On 6/27/2024 at 6:14 AM, Rahul Motiyar said:

Last year I bought Klipsch RP8000f ii & Marantz SR5015 avr. I was told and saw many reviews that the bass response is very good of these speakers so you might not need Sub for music listening.
When i paired and played the sound was very flat, almost no bass, the woofer diaphragm hardly moves forward/backward. Its not like its completely Off but i don't think they are running on their best capacity. I tried two vintage stereo amps as well with no fancy UIs but the problem of bass is consistent with these speakers. I keep the bass eq(s) all time at highest it does add bass overall but its not punchy or detailed as people says and it happens to both Left and Right speakers.

Jumpers are all set properly. No bi-wiring. No bi-amping.

Anybody facing similar situation? Any remedies?

Double check jumpers. I’ve had a loose terminal nut cause that issue. 

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Run some low frequency test tones  , see what you’ve got , check each speaker  separately ( to eliminate any possible phase/ cancellation issues ). A simple low frequency response test will tell the story. Let us know what you find , welcome to the forum.

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