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Author Topic: High amperage on Strong lamphouse Bill Hall Film Handler Posts: 30 From: Owen Sound Ontario Canada Registered: Jul 2018 posted 09-11-2019 09:38 PM                     Hi I have a Strong Lamphouse and recently the bulb gave out on me. I replaced the bulb with a Osram 1600 WHS bulb and noticed the amperage draw was 90 amps . I lowered the setting on the rectifier to 4 and then 3 and eventually the number 1 setting and still it is drawing more amperage than what it should. I do not want to damage the new bulb or wear it out prematurely . I also noticed that the image on the screen looked washed out . Any ideas or suggestions would be appreciated . Thank You Bill  |  IP: Logged Dave Macaulay Film God Posts: 2321 From: Toronto, Canada Registered: Apr 2001 posted 09-11-2019 11:11 PM                     Strong rectifier with the big clicky knob to change amperage? There are internal taps to change the range that the knob controls. But the overcurrent is odd, a 1600 shouldn't pull 90A. Is the voltage OK? A defective lamp with a shorter than normal arc gap will have high current and low voltage. The washed out image suggests a lamp focus problem or a lamp problem, inspect the lamp and see if it looks odd.  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 09-12-2019 07:15 AM                     Sounds like he got the wrong lamp for the setup... Please provide model od lamphouse and rectifier... Mark  |  IP: Logged Bill Hall Film Handler Posts: 30 From: Owen Sound Ontario Canada Registered: Jul 2018 posted 09-12-2019 10:10 PM                     HI the problem has been found . The main power wire was on the 208 terminal instead of the 230 terminal . I changed that and the amperage went down to around 67 amps so was happy for that . I then cleaned the lense of smudges and the colours came back to life for me. I am learning that there is a lot to operating a 35 mm projector . Thank you all for your replies on this site. Bill Hall  |  IP: Logged

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