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Tubes: GT-5881-C

   


 

 

This is a very high vacuum tube that is very stable.

It's sweet tone but defined character was a mainstay in

the Fender tweed era amps of the 1950s and early 1960s.

5881 is also used in amps like Soldano SLO100, Custom Audio OD100.

Suggestion:
The tube's short height allows easy use in amps such as
Mesa rack mount amps and Marshall power blocks with ease.