Popping sound when switching off amp

[iondb]

Hi.  When I switch off my Mars tube amp at the power switch,  there is a popping sound coming through the speakers,  but when I pull out the power cord,  it doesn't.

Is there a type of filter or something that one can use on the switch????????

 

[handsome]

 

[Family_Dog]

 

[handsome]

 

[Ampdog]

 

[ludo]

 

[iondb]

 

[Family_Dog]

 

[iondb]

 

[Family_Dog]

 

[iondb]

 

[Prince]

 

[Shonver]

 

[Prince]

 

[iondb]

 

[Family_Dog]

 

[Ampdog]

 

[iondb]

 

[iondb]

 

[handsome]