(!!!!) (Best Single 1944) 6SL7GT Sylvania round black plates NOS 1944 (same build as VT-229) (2.1/2.3ma)

1 low noise tube) 6SL7GT Sylvania round black plates NOS 1944 (same build as VT-229) see photo

2.1ma Gm=1500

2.3ma Gm=1500

Good Ma = 2-3ma

Gmm Gm = 1500-1600
 

- Ampeg Heritage B-15
- Alessandro Itallian Greyhound jazz amp
- Alessandro Black and Tan 2005
- Almarro A318B
- Eddie Current