Subject Started by Replies Views Last post
Are Osram's Biolux tubes the same as the deluxe daylight? tigerelectronics 2 633 July 27, 2025, 04:52:49 PM
by tigerelectronics
Ballast recommendations for fc8t9 circline esaym 1 516 July 22, 2025, 12:38:31 AM
by esaym
Is this older GE tube a higher CRI tube? tigerelectronics 8 7710 July 20, 2025, 01:43:14 AM
by Laurens
Current / voltage for T4 fluorescent tubes. « 1 2 » RRK 16 14420 July 18, 2025, 12:35:48 AM
by Medved
Technology Connections Explanation of Induction Lamps LightUpMyLife 2 2372 July 18, 2025, 12:26:02 AM
by tigerelectronics
Experience with Qianshun Lighting/Glow Object ballasts? « 1 2 » shokoshiro 19 13529 July 16, 2025, 01:41:40 PM
by Laurens
Sodium vaporize from the middle of the arctube of some HPS lamps dor123 1 2662 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 5277 July 13, 2025, 06:58:16 AM
by dor123
What's the typical LED bulb efficiency (l/w) in your country? macusking 3 2344 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 3126 July 05, 2025, 08:35:32 AM
by dor123
Does anyone consider a FUL CFL lamp a “PL” lamp? WorldwideHIDCollectorUSA 11 4947 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 12118 July 04, 2025, 07:05:50 AM
by dor123
CPO-TW 45w on 50w SON driver? « 1 2 » Laurens 17 5416 July 04, 2025, 05:16:00 AM
by Laurens
Why electronic ballasts for HPS lamps, changing their frequency during starting? dor123 3 1427 June 30, 2025, 01:23:33 PM
by Medved
Venture MH Lamps GE PM 1 1622 June 29, 2025, 06:39:15 AM
by James
Were 6 foot tubes (1800mm) 70W a rare size? tigerelectronics 2 1290 June 29, 2025, 05:57:53 AM
by James
Why my Sylvania HSI-TD 70W/WDL have high dose of halides? dor123 2 1553 June 29, 2025, 04:08:35 AM
by dor123
LED lamps with linear driver, shimmering at a slightly lower voltage dor123 1 1117 June 27, 2025, 02:01:23 PM
by Medved
Single-Pin Fluorescent Tubes (Part 2) « 1 2 » Multisubject 15 7451 June 21, 2025, 04:17:41 PM
by WorldwideHIDCollectorUSA
What's the purpose of this F40T12 BL? LightsAreBright27 8 2311 June 20, 2025, 07:44:23 PM
by ace100w120v
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