- Category: Articles
- Hits: 1189
M.R., "Triode as an output tube"
The issue of the power stages with the pentode was considered in the previous article (Tube in the amplifier output stage). It boiled down to the proper adjustment of the loudspeaker's resistance, using a loudspeaker transformer, to the type of speaker pentode used. The formula for the optimal anode resistance for the pentode is extremely simple, namely: