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TH Conversion for Strand Patt 264


Barreller

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The snag is that I don't think anyone made a 'proper' size upside down burning halogen lamp, so although the kits used to be available that moved the shorter body halogen lamp filament centre to the correct place, I never saw one for the extra long upside down T class lamps used in the 264s.
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I have a firm memory of the 264's we had FOH at school ( 20 years ago) being halogen lamped. What I cant remember is if the lamps were pre-focus base or bi-pin. I suspect the former. The lamps we had certainly were the right length. 264's were punchy things when clean.
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One option, was to invert the whole lamp so the TH lamp burnt base down. Then take off the lens tube and rotate 180 degrees.

If the extended depth then causes problems, re-drill the yoke arms to move the lantern up. HTH

 

Regards

 

John Mac.

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I converted several of ours with a kit ( from Ancient Lights?) which mounted a GX9.5 base for a T11/19 lamp on a block of aluminium to move the lamp into the correct position. Holes at one end for the holder, and at the other to match the original mounting holes on the lantern. Then the lantern is used "Upside-Down".
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No need to change anything, the T15 or T23 is the right lamp for the job and is the only "burn any angle" lamp I know of and for some unknown reason the life seems to be much longer than is rated, I ran 24 264s for 3 years without losing a lamp [when I sold them]. The Philips no is 6997C
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