PHOTOS ARE THE ACTUAL N.U. 805 / VT-143 TUBE. Rated at 35-40 Watts in a single ended circuit. With 1200V on the plate and -145V, tube was drawing 85mA. No marks on internal structure or base – appears tube is almost NOS.
PHOTOS ARE THE ACTUAL N.U. 805 / VT-143 TUBE. Rated at 35-40 Watts in a single ended circuit. With 1200V on the plate and -145V, tube was drawing 85mA. No marks on internal structure or base – appears tube is almost NOS.