Description
(!!!!) (Recommended Single) E188CC=7308 Telefunken bottom gold pins NOS 1970 from sealed box (12ma/18.5ma) (rare)
1 low noise tube) E188CC=7308 Telefunken West Germany <> bottom gold pins 1970 – tube was factory sealed – good printing
1 section) 12.0ma Gm=10,500
1 section) 18.5ma Gm=12,600
7308=Premium low noise 6922
I use 1 pair in a Modwright ph 9.0x phono preamp
Tested on Amplitrex
Vplate=90V
Vgrid=-1.2V
Good Ma range 12-15ma
Good Gm range 11,000 – 13,000
Recommended for
– Cary Audio HH-1 hybrid headamp
– Conrad Johnson ET5
– Cavalli Liquid Glass
– Audion Black Shadows 2011
– Rode NTK1 mic
– RODE K2 mic
– EAR
– LAMM LL2
– LAMM M1.2 mono amps
– Manley Steelhead
– Audio Note
– Audible Illusions L1
– Audio Research