Does remote control degrade the sound of tube preamps?

There have been greatsounding preamps that use a remote cj uses relays and switches in individual resistors

Ken Steven’s makes an awesome preamp but his heart is not into convenience 

+1 @larryi 

CJ has been using relay / resistive ladder volume since the CT 6 maybe earlier.  It is proven and in my opinion better than electronic volume controls like the ones CJ used when they built McCormack preamps.   Those were a Burr Brown volume chip,  I hated the volume control on my RLD 1 ,  in fact that was the shortest duration I have owned a preamp.  I replaced it with a CJ Classic 2SE 

My Zesto pre uses a motor that moves an analog volume pot.   The IR circuitry has no effect on performance.   I much prefer analog rotary volume knobs

The remote control of the EAR-Yoshino 868 works just as @larryi describes: a motor manually moves the volume knob, affecting the sound of the pre-amp in no way. The remote's only other control is a mute button. Volume and mute are the only two functions I require from the remote of a pre-amp.

Do you think the sound quality is degraded with a remote? I am talking about an audible effect.

@chungjh 

@larryi got it right. It was for this very reason that we motorized our existing manual volume control in our MP-1.