(!) (Single) 6L6WGB=5881 Sylvania black base NOS 1975 (78.5ma) Title: 5881 Sylvania

6L6WGB=5881 Sylvania black base NOS 1975 in white box

78.5ma

Gm=6000

Good NOS mA range 60-70ma

Good NOS Gm range 5500-6000

recommended for:

– Pro Dawg (copy of 5E5A Circuit)
– Naylor SD60
– Fender Bassman RI 1956, 1959
– Fender Pro-Amp 1962
– Victoria Regal 2007
– Melody SP3 amp
– Heath W4AM mono amps
– Audio Note SORO linestage
– Mesa Boogie Mark 4
– Supratek
– CARR Rambler
– Line6 Spider Valve 112 (2007) Reinhold Bogner Amplification UK
– Clark Tyger 2011
– Clark Piedmont 2003