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FILE 9/94 |
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File information | |
Filename: | Thorn_4-8w.JPG |
Album name: | Paul / Magnetic Ballast & Capacitors |
Manufacturer: | Smart and Brown (Thorn control gear factory) |
Power Consumption: | Single or twin 4w and 6w tubes or single 8w tube. |
Working Voltage: | 240v |
Cap Type: | Push wire terminals |
Light Colour Temp: | Resin potted steel can |
Circuit Type: | Single or series twin switchstart |
Comments: | A NOS find brand new in the wrapper! |
Date / Code: | Late 70s |
Country Of Origin: | Spennymoor, Great Britain |
Filesize: | 355 KiB |
Date added: | Sep 05, 2019 |
Dimensions: | 1600 x 1200 pixels |
Displayed: | 121 times |
URL: | https://allthingslighting.co.uk/atl/displayimage.php?pid=23676 |
Favourites: | Add to Favourites |
Comment 1 to 3 of 3 Page: 1 |
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A while back I was looking for a 4w choke to convert a dead thorn emergency bulkhead (that looks like a GLS bulkhead) I tried some electronic ballasts, but some just roasted the tube, (though a matchbox blue seems to be ok) but obviously Id rather go down the SS route.. having seen some of the recent ballasts on here, at least I know what to look for now. lovely old thorn choke btw
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Yes it's odd how running the 4w tube at double power seems to be the norm. Dedicated 4w ballasts have existed but hen's teeth springs to mind! Tridonic did a 6w choke that would be better suited but again, few and far between! Love the converted EM bulkhead idea Jools!
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Cool, don’t ever remember seeing a genuine 4watt SS choke??
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Comment 1 to 3 of 3 Page: 1 |