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Very old soviet MV lamps DRL 1000 Pair of very old lamps with a two electrode arc tube, so they need an external ignitor

Very old soviet MV lamps DRL 1000

Pair of very old lamps with a two electrode arc tube, so they need an external ignitor

IMG_20200527_012604.jpg IMG_20200608_225710.jpg IMG_20220211_223049.jpg IMG_20220211_223109.jpg IMG_20220408_231617.jpg
File information
Filename:IMG_20220211_223049.jpg
Album name:SilverRay / High and superhigh pressure MV lamps
Manufacturer:MELZ
Type/Model:DRL 1000
Wattage:1000
Date manufactured:May 1963
Filesize:4028 KiB
Date added:11 Feb, 2022
Dimensions:3163 x 2048 pixels
Displayed:31 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=17537
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Comment 1 to 6 of 6
Page: 1

Andy   [11 Feb, 2022 at 08:57 PM]
These are incredible lamps Roman! Cool How did you light them?
SilverRay   [11 Feb, 2022 at 09:09 PM]
Thank You, Andy. I used two 250W and one 150W MH ballasts in parallel. For ignition I used a low voltage ignitor from Philips, type SX 76.
Andy   [11 Feb, 2022 at 09:47 PM]
I see, that is interesting to know that an SX 76 is sufficient to light the lamps. I didn't realise there was a DRL 1000 with twin electrodes, I only knew of the 500W version.
FrontSideBus   [12 Feb, 2022 at 04:29 AM]
Very nice!
Olav   [15 Feb, 2022 at 07:25 AM]
Hello Roman. These are rarities. The lamps are still designated without the additional letter "M". The assumption is that it is the first production. What is the meaning of the later used letter "M" in the designation ?
SilverRay   [15 Feb, 2022 at 12:59 PM]
Thank You, Olav. I guess, M means "modified", to determine the difference between a more ordinary four-electrode lamps and the obsolete two electrode lamps.

Comment 1 to 6 of 6
Page: 1

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