Subject Started by Replies Views Last post
70w metal halide appears abnormally bright Lumex120 4 189 April 01, 2017, 03:20:09 AM
by Ash
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by sol
f4t5 color shift at eol Lumex120 1 192 October 02, 2015, 03:22:41 PM
by Solanaceae
happy christmas hannahs lights 10 195 December 21, 2017, 06:13:23 PM
by MissRiaElaine
A HPS lamp that constantly turning on and off for several secs at dim orange? dor123 1 195 August 07, 2016, 06:02:34 PM
by RyanF40T12
Dimmable Fluorescent VHO or HO, Dimming Powergroove lamps dieselbulb 3 196 April 13, 2017, 07:47:10 PM
by xmaslightguy
Reflectors HomeBrewLamps 6 198 November 14, 2017, 09:22:29 PM
by Ash
PHILIPS Comfort Lamps M250R201SA 7 198 March 07, 2017, 11:47:53 PM
by tolivac
Westinghouse Lifeguard 175w lamps on eBay NEW M250R201SA 0 198 January 25, 2019, 05:08:11 PM
by M250R201SA
convert rapidstart to preheat? HomeBrewLamps 2 200 August 03, 2017, 03:12:57 PM
by HomeBrewLamps
Glow discharge that strikes inside the outer of my Osram HQI-TS 70W/WDL? dor123 2 204 February 12, 2017, 04:06:00 PM
by Ash
Why the Osram Colorstar DSX2 white HPS lamps, described as Citylight DS? dor123 0 205 January 17, 2016, 06:53:38 AM
by dor123
Philips TL70 3000 & 3500K CRI a bit off? RyanF40T12 1 206 May 17, 2016, 03:31:34 AM
by sol
Different colors of the Ce:YAG phosphor in white LEDs dor123 1 206 September 19, 2015, 11:47:55 AM
by Medved
Pushing a small SON -> SDW UVIR 2 206 January 12, 2016, 06:56:26 PM
by BlueHalide
Glow discharge in the outer of my Osram HQI-TS 70W/WDL during hot restrike: Why? dor123 1 207 April 07, 2016, 09:01:09 AM
by Medved
Ecolight 5w Candle Lamp rjluna2 0 207 November 10, 2014, 06:55:54 AM
by rjluna2
Chipped Glass in Incandescent Bulbs and Early EOL CEB1993 0 213 November 25, 2017, 08:44:18 PM
by CEB1993
lamp type identification in sylvania roadsters zxcv 6 213 August 22, 2016, 02:39:19 AM
by tolivac
LED comparison wattMaster 0 215 March 02, 2016, 08:09:50 PM
by wattMaster
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