KR Audio Marconi R Valve (matched pair)

This is the KR Audio Marconi R Valve also known as the 'TM' Radio Repro Tube.  Sold in matcher pairs, they come with a six month warranty that starts when they arrive at the US Distributor.   Maximum Plate Voltage 180 V Maximum Plate Current 2 mA (Vf=4V,Vg=0V) Va 120 V Ia 1 mA Vg -0.5 V Transconductance 0.3 mA/V Filament Voltage 4 V (DC/AC) Filament Current 0.6 A   Delivery will typically take 2-4 weeks as these are special order.  Delivery time is longer during August when KR is closed for Holiday.