Description
Pair of 6BR8A Vacuum Tubes (1 RCA + 1 Tung-Sol) NOS/NIB. Tested GOOD on Hickok 539B. The 6BR8A was designed for VHF TV tuners. The triode being the local oscillator and the pentode (made as a beam tetrode) acting as the mixer to IF. Has found use among audiophiles for audio amplification applications. Location: B4 R100124PQ