Bass leaves after amp warms up?

P.S. -- of course try Ralph's suggestion about unplugging the digital. But I thought everything else has been ruled out. ???? :>(

Today I will set up just amp & turntable sans digital.
Sounds like a good experiment!

Sounds like a great experiment. I would also use the power cord that came with the amp instead of the Kimber PK10 you have been using, and everything plugged to the wall outlet. Keeping the system as simple as possible will help to resolve the problem.

"Yes the optimal sound has left then returned an hour or day later but I usually fiddle the cables long before that happens."

Its possible that if the amp is on but not playing music that it might return to a more normal state when played again. What would work against the amp can't handle the load theory is if the sound ever improves after the suckout occurs while the music is still playing and without changing anything, not after sitting idle for some period of time.

I disconnected all the digital & power conditioner.
All I'm running is the turntable plugged into the wall.
Today was probably the worst sound in a long time
I seem to be going in the wrong direction
I was unable to establish the solid bottem end at all.
The sound was restrained & boreing/lack of dynamics.
I switched speaker cables many times with no eureka moment.

My conclusion is I am in someway inept at the task at hand and require an expert.

I get deep bass sometimes which I enjoy and I get passive bass most other times.
Perhaps the power conditioner is bumping up the bass sometimes like a subwoofer & then settles down to less dynamic sound?

The other day I borrowed Analysis Silver speaker cables from the cable company and hooked them up.
There was alot of indistinguishable "noise" in the bass region but it was undefined & I didn't like it at all.
Perhaps the Audioquest comet has some way of "doubling" the bass in the first hr.
Again I need someone with knowledge of what sounds right to assist me.

The bass when it is there clearly is is taut yet supple,moves air & can eaisly follow the bass line..Adding much emotion & excitment..
I get that with all sources or not with any sources..
I'm more than beginning to suspect a curious "malfunction" in my processes if not hearing/interpertation.
I don't even think Freud would take this case..

+1 to Mapman's comment just above (as well as his other comments).

Also, just to be sure, I assume that when you disconnect and reconnect the speaker cables you have the amplifier turned off while doing so.

Regards,
-- Al