Thursday, December 30, 2021

Hard to Find Information Tube : LS7/CV1660

 I will try to measure vacuum tubes and post here frequently about tubes that hard to find information especially characteristic curve.

Hope this will help many people to discover good and reasonable price tubes on worldwide markets.

First is LS7/CV1660, Directly Heated Triode tube from England, ST shape with brown base.

Can make good sound small power amplifier or preamplifier.

Vf = 4V

If = 0.15A

Va = 150 Volts

Vg = -6 Volts

Ia = 10 Milliamperes

Mu = 12

Rp = 5,000 ohms

Gm = 2,400 Micromhos

Happy New Year 2022 to all of you.

Cheers!!!