Uploaded April 2020 | Updated September 2026, 3 weeks ago
This experiment didn’t go to plan quite as well as I hoped. The CRTs are very easily damaged as they run with high beam currents to generate the intensity required for projection. Normally a CRT will survive all but a steady spot, but these damage with slow scan. A possible solution would be to modulate intensity with speed. Thanks to ‘nord’ for the test sound track more at: youtube.com/channel/UCDxqy40E2N9OE7qdxQ85cgA
On the plus side the fly-back transformer easily delivers over 40kV and drive 3 CRTs in parallel.
This experiment didn’t go to plan quite as well as I hoped. The CRTs are very easily damaged as they run with high beam currents to generate the intensity required for projection. Normally a CRT will survive all but a steady spot, but these damage with slow scan. A possible solution would be to modulate intensity with speed. Thanks to ‘nord’ for the test sound track more at: youtube.com/channel/UCDxqy40E2N9OE7qdxQ85cgA
On the plus side the fly-back transformer easily delivers over 40kV and drive 3 CRTs in parallel.
