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It ranks as the third-largest Nixie tube made by Rodan and succeeded the short-lived GR-11. Later models were rebranded as CD94. Notably, the GR-211 includes a left decimal point, which is uncommon for tubes of its size. In devices using larger Nixie tubes, a separate neon bulb typically represented the comma instead. Interestingly, the datasheet marks the decimal point's pin as "not connected." + +Like most Rodan-manufactured Nixie tubes, the GR-211 features an unusually intricate design and the distinctive, warm glow characteristic of their tubes. Its aesthetic appeal is further enhanced by a chromium-plated base and the golden sticker, typical of Japanese tubes. + +Originally, the GR-211 came packaged with a compatible socket in its box. Unfortunately, my unit is missing both the box and the included socket. + +### Key Specifications + +| Property | Description | +|-------------------|-------------| +| Manufacturer | Rodan | +| Time period | ? | +| Digit height | 35mm | +| Envelope diameter | 30mm | +| Envelope height | ~78mm | +| Base diameter | 32mm | +| Socket | TSP-14B | + +### References + +- [Rodan GR-211 datasheet](https://www.tube-tester.com/sites/nixie/dat_arch/Rodan_02.pdf) ([Archive](https://web.archive.org/web/20240615172130/http://www.tube-tester.com/sites/nixie/dat_arch/Rodan_02.pdf)) + +- [jb-electronics.de](http://www.jb-electronics.de/html/elektronik/nixies/n_cd94.htm) ([Archive](https://web.archive.org/web/20240421194558/http://www.jb-electronics.de/html/elektronik/nixies/n_cd94.htm)) + +- [nixies.us](https://www.nixies.us/bwg_gallery/gr-211/) ([Archive](https://web.archive.org/web/20240714195657/https://www.nixies.us/bwg_gallery/gr-211/)) + +- [swissnixie.com](https://www.swissnixie.com/tubes/GR211/) ([Archive](https://web.archive.org/web/20240424051850/https://www.swissnixie.com/tubes/GR211/)) + +[![Rodan GR-211/CD94](assets/1.jpg)](assets/1.jpg) + +[![Rodan GR-211/CD94](assets/2.jpg)](assets/2.jpg) + +[![Rodan GR-211/CD94](assets/3.jpg)](assets/3.jpg) + +[![Rodan GR-211/CD94](assets/4.jpg)](assets/4.jpg) + +[![Rodan GR-211/CD94](assets/5.jpg)](assets/5.jpg) + +[![Rodan GR-211/CD94](assets/16.jpg)](assets/16.jpg) + + + + + + + + + + + + + + + + +
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\ No newline at end of file diff --git a/static/collection.txt b/static/collection.txt index 701154e..a5b947d 100644 --- a/static/collection.txt +++ b/static/collection.txt @@ -1,5 +1,6 @@ Nixies: - 1x GI-10 (Inditron) +- 1x GR-211/CD94 - 2x IN-1 - 3x IN-14 - 1x IN-19A