Subject Started by Replies Views Last post
Is this older GE tube a higher CRI tube? tigerelectronics 8 8393 July 20, 2025, 01:43:14 AM
by Laurens
Current / voltage for T4 fluorescent tubes. « 1 2 » RRK 16 15353 July 18, 2025, 12:35:48 AM
by Medved
Technology Connections Explanation of Induction Lamps LightUpMyLife 2 2782 July 18, 2025, 12:26:02 AM
by tigerelectronics
Sodium vaporize from the middle of the arctube of some HPS lamps dor123 1 3099 July 16, 2025, 12:47:01 PM
by dor123
What is that silver layer at the bottom part of the arctube? « 1 2 » dor123 18 6466 July 13, 2025, 06:58:16 AM
by dor123
What's the typical LED bulb efficiency (l/w) in your country? macusking 3 2950 July 12, 2025, 02:01:06 PM
by Medved
Why the Osram HBI short-arc indium lamp didn't made it to the market? dor123 8 3754 July 05, 2025, 08:35:32 AM
by dor123
Does anyone consider a FUL CFL lamp a “PL” lamp? WorldwideHIDCollectorUSA 11 5698 July 05, 2025, 07:27:32 AM
by James
The arc of my EYE MTD70SDW-7S/3500K Ra96 MH lamp is very constricted « 1 2 » dor123 25 13994 July 04, 2025, 07:05:50 AM
by dor123
CPO-TW 45w on 50w SON driver? « 1 2 » Laurens 17 6398 July 04, 2025, 05:16:00 AM
by Laurens
Why electronic ballasts for HPS lamps, changing their frequency during starting? dor123 3 1808 June 30, 2025, 01:23:33 PM
by Medved
Venture MH Lamps GE PM 1 1993 June 29, 2025, 06:39:15 AM
by James
Were 6 foot tubes (1800mm) 70W a rare size? tigerelectronics 2 1704 June 29, 2025, 05:57:53 AM
by James
Why my Sylvania HSI-TD 70W/WDL have high dose of halides? dor123 2 1916 June 29, 2025, 04:08:35 AM
by dor123
LED lamps with linear driver, shimmering at a slightly lower voltage dor123 1 1572 June 27, 2025, 02:01:23 PM
by Medved
Maximum Temperature of Arc Tubes? Multisubject 6 2407 June 19, 2025, 01:11:01 AM
by dor123
What causes fluorescent tubes to striate? Maxim 9 3425 June 13, 2025, 08:59:49 PM
by Baked bagel 11
100W Philips White SON Ballasting rapidstart_12 6 2533 June 13, 2025, 10:38:47 AM
by RRK
European 400W MH standards marcopete87 4 1632 June 12, 2025, 04:03:00 PM
by Michael
Why CMH lamps have wider thallium line compared to QMH lamps dor123 5 2895 June 09, 2025, 07:31:37 AM
by dor123
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