“Cut-away view of a special-quality double triode wth frame-grid construction (E88CC)”, from a Philips promotion for premium “10,000-hour” tubes. The US version is the 6922, a cousin of the 6DJ8 TV-tuner tube now highly respected as an audio type.
In this issue
- Power-Tube Patents: RCA vs. Taylor and Sylvania
- A Visit to Bloomfield
- Homemade Tubes: Nick’s Triode
- Weird Tube of the Month; The VA-217 Reflex Klystron Amplifier
- Sheldon Electric Co.
- Tube Inflation: Triad and the 6AC5G
- Operating Hazards
- The Bragatron
- Sylvania’s “Framelok”
Leave a Reply