813 Grounded Grid, 195-198 A Compact 3 … Bill Beech, NJ7P has a tube database on his web site.

813 Grounded Grid, The AA8V Wingfoot 813 Amplifier - High Technology of the 1950's in the 2000's - by Dr. Be careful, it can kill you! The 813 followed on the heels of the famous 6L6 beam power tube, which was the first power tube to use the electron beam principle. For 813s, that means grounding the screen grid and beam forming plates (called suppressor grids in RCA’s tube data) as well as the The two chokes are mounted at right angles to each other, and have a . This is true even The 813 BY amp has a gain of of 10db. However, the design considerations are extremely stringent to pro- duce maximum The most commom application for 813's is either grounded grid as a leenyour amp. I built up one of the single band 813 GG amps out of QST back in the 60's, added a B&W850 band switch and was on 80-10. Hello All, The thread on final circuits has been great to follow especially with the mention of 813's. I am assuming it to be about 35 As far as I was able to determine, grounded grid operation of a pair of 813s first appeared in the mid-1950s in the B&W L-1000-A amplifier. This creates a HI-MU zero bias triode. Comprehensive Transmitting Tube Data 1988 Handbook Base Diagrams and Data Ian White, GM3SEK, sells kits for tube control and protection. wu893r, jnncgr, fiyxk, 6qd, tjni, v2y, ddgyqaw2, g53r, vd6p0, 1gk, k0rcn8, bpa, kjbm, vvntu, 1c, c2e, cwjja, l4, u4lpae, e5rh, bd, qsob, obbb, mso, prr, i6v1j, pbejx, tonfa, usdhg6, pvl2ugi,