Can one fit an FM module to old valve radio?

[Tom]

Basically what my question is, can one modernize such an unit to also include FM channels?...For no other reason that me being curious.  :thinking:

Lets say, one of these for example

Kindest - as always
Tom

 

[chrisdc]

 

[Family_Dog]

 

[chrisdc]

 

[Tom]

 

[chrisdc]

 

[Steerpike]

 

[chrisdc]

 

[Steerpike]

 

[chrisdc]

 

[Family_Dog]

 

[chrisdc]

 

[Family_Dog]

 

[Tom]