Marconi DN41 Pentode Valve Tube Tests Good England

See photos for condition.

Tests good on Taylor Model 45C valve tester.

Pentode mutual conductance reading Gm 6.6

100% factory data in Taylor manual at Gm 6.5

Both diodes test good.

UK shipping with MyHermes Tracked or Royal Mail.

International shipping with Royal Mail International Tracked.

I will combine postage on multiple valve orders. See my other listings!