6L6GC Sylvania clear top NOS 1960”s copper grid posts (68ma)

1 tube) 6L6GC Sylvania clear top NOS 1960”s copper grid posts

68ma

Gm=5850

Good NOS Ma range 60-72ma

Good NOS Gm = 5800-6000

Tested on Amplitrex

recommended for:

– Mesa Boogie Mark IIC+ 1980
– Mesa 400
– Two Rock K&M Ltd.
– Fender
– Ampeg B15 (B-15)
– Fender Showman 1972
– Leben
– EICO HF20