GrabCAD 模型信息
811A vacuum tube · 模型 146493
Ubiquitous AF & RF transmitting triode 811A, (with Thoriated Tungsten filament & Pd= 45W CCS, u=160), that served in all kind of gear, from Altec 1570B PA amplifiers in 1950-es, all through to saving the day in 1991 Operation Desert Storm (when state of the art solid state rigs failed due to desert's sand static charges)...still in production, widely available & affordable...Here is the model of the "CEI" tube, marked as "Made in Germany", probably from mid-1980-es (Zirconium getter disc, attached to the anode box, points to the Soviet design, from the same era)...
- 格式
- STEP / IGES、AutoCAD、Parasolid、KeyCreator、Rendering
- 分类
- Components、Electrical、Hobby
- 标签
- 811a、tube、vacuum
- 数据更新
- 2026-09-11T16:34:45Z
