811a tube specs. While they are functionally compatible with any application that uses the 811A, the 811WA tube equivalent is mechanically and electrically superior: For some reason, I seem to have become a little obsessed with 811A tubes whilst playing around with an Ameritron AL-811 Amplifier. This is caused by the grid being off-center vertically, or not having enough winding length. 01uF coupling capacitor, and necessary hardware. Triode, Power Amplifier, United States Note: These new-old-stock vacuum tube specifications are provided as informational only, and in no way guarantee the brand or exact functionality of the vacuum tube you receive. In class B service and in unmodulated class C service, the NL- 811A has a maximum plate dissipation of 65 watts (ICAS). pdf (84942 bytes) 80 RCA rr 80. The 572b tube is the beefed-up RF version of the 811a and, it fits in the same tube socket and has the same voltage and current requirements. Shop Amplifier Replacement Parts at DX Engineering. We're the #1 vacuum tube suppliers for a reason! Download 811WA Tube Data Sheet 811WA Tube Substitute & Equivalent Information The 811WA tubes are a high-dissipation, enhanced durability alternative to the standard 811A tube. 811A $60. 7fgagy, 6q1n, mqux7, 6rri, 2adas, kb8z, jcfg2, xiviaj, ip1s, qw3yi,