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(!!!) (Best Mullard Single) ECF80=6BL8 IEC Mullard UK NOS 1966 (16ma/12ma) (Highest mA and Gm)

(!!!) (Best Mullard Single) ECF80=6BL8 IEC Mullard UK NOS 1966 (16ma/12ma) (Highest mA and Gm)

By Tube World

$ 42.99

ECF80=6BL8 IEC Mullard UK NOS 1966

Triode =  16ma Gm=6000

Pentode = 12ma Gm=6900

 

Tested on Amplitrex

Good Triode Ma/Gm=12-14ma Gm=4500-5000

Good Pentode Ma/Gm=8-10ma Gm=5500-6000

 

- Klein + Hummel Telewatt Stereo-N.o.v.a VS-70 1962

- Scott 222B

- Scott 299B/C

- Scott 350B

- Graaf

- McIntosh

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