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Duro-Test Fluormeric 750REFL/DX/PL SBMV Lamp [center]Thanks to Eric for this monster of a room heater..! It took two or three attempts to start from our Variac for some reason, but it seems stable enough now.[/center] Keywords: Lamps

Duro-Test Fluormeric 750REFL/DX/PL SBMV Lamp

Thanks to Eric for this monster of a room heater..! It took two or three attempts to start from our Variac for some reason, but it seems stable enough now.
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Lamp/Fixture Information
Manufacturer:Duro-Test Corporation
Model Reference:750REFL/DX/PL
Lamp
Lamp Type:Self Ballasted Mercury Vapour
Filament/Radiator Type:Quartz arc tube and two tungsten filaments
Base:E39 (Mogul)
Shape/Finish:R57
Service Life:Not known at present
Burning Position:Universal
Electrical
Wattage:750
Voltage:120
Current:6.25A
Optical
Lumen Efficacy:4000K
Physical/Production
Factory Location:North Bergen, NJ
Fabrication Date:Not known at present
Application/Use:High/Low Bay lighting
File information
Filename:Duro_Test_120V_750W_Reflector_Lamp.jpg
Album name:Ria / Mercury Lamps
Keywords:Lamps
Filesize:187 KiB
Date added:09 Nov 2026
Dimensions:1599 x 1200 pixels
Displayed:14 times
URL:https://trad-lighting.net/gallery/displayimage.php?pid=1453
Favourites:Remove from Favourites

Comment 1 to 6 of 6
Page: 1

Max   [Mon 09 Nov 2026 at 21:11]
I have the uncoated version of this lamp (same R bulb though), that's quite a beast. I really like its design and construction, it's very nicely assembled and I can't imagine how much labor went into its production. There's no way this would be economically viable today...
Ria   [Mon 09 Nov 2026 at 23:02]
Indeed. The metalwork of the top support is quite something..!
Max   [Mon 09 Nov 2026 at 23:03]
It's unbelievable how much effort was involved in making that part.
AgentHalogen_87   [Tue 10 Nov 2026 at 16:03]
It's unbelievable how much effort was involved in making the whole lamp! That is a super quality item (much better than mine Razz ) What's the light like visually? With clear merc directly out the front and corrected merc reflected out from behind it must have an odd green tinge to it
Eric   [Tue 10 Nov 2026 at 19:17]
@Ria - You're welcome! Yep, definitely a room heater!
@Max - That's why I find collecting these old lamps so appealing...the modern world is only about profits, with no pride.
@AgentHalogen_87 - The color comes in two phases...blue-white (5500K) off center, and /DX (4000K) directly underneath.
Sammi   [Thu 12 Nov 2026 at 01:29]
Well we are starting to need the heating on now... Wonder Laughing

Comment 1 to 6 of 6
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