When I first ordered one or both bulbs were broken - I didn't open the package as soon as I heard the rumble of glass. When replacing only one of the two lamps worked properly. Another had a bad 200 watt cell so it only operated like a single 100 watt light bulb with on and off. I already had an adapter from Tycoon to Medium Base so this lamp was useless - I could have used a much more efficient and long lasting 100w LED lamp.
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