Members shmaack Posted August 23, 2008 Members Share Posted August 23, 2008 I lost sound out of the horn in my ampeg 4x10 HLF. When I checked for the problem, I discovered an interesting "light bulb" on the crossover that has blown. It looks like a standard tail light bulb for a car but it is not. I couldn't find one of these in many auto stores and the Home Depot. It has unique numbers on it (1683 28V32CP) that did not match any bulb at those stores. Anybody know where and how I can get a replacement? Link to comment Share on other sites More sharing options...
Moderators isaac42 Posted August 23, 2008 Moderators Share Posted August 23, 2008 Did you try Ampeg? Link to comment Share on other sites More sharing options...
Members shmaack Posted August 23, 2008 Author Members Share Posted August 23, 2008 Thanks, I will. It's a shame I have to go through that for something as simple as a bulb. I guess this is just one reason why I should stick exclusively with Mesa Boogie. I never had a single problem out of any of it. I had a Mesa 4x10 that I replaced with an 8x10. So I was left with this Ampeg that was sitting in the studio. I figured I would make it work because my band was playing some smaller venues. Since I have been digging into the cab I've noticed it really is crap compared to the Mesa Boogie. As soon as I get this thing working right I am selling it to help fund a new Mesa 4x10. Sick of the Bull! Link to comment Share on other sites More sharing options...
Members djcgtr Posted August 26, 2008 Members Share Posted August 26, 2008 I lost sound out of the horn in my ampeg 4x10 HLF. When I checked for the problem, I discovered an interesting "light bulb" on the crossover that has blown. It looks like a standard tail light bulb for a car but it is not. I couldn't find one of these in many auto stores and the Home Depot. It has unique numbers on it (1683 28V32CP) that did not match any bulb at those stores. Anybody know where and how I can get a replacement? HiThis protector lamp is a number 1683It is a 28 volt and 32 candlepower lamp. A single contact bayonet base style number BA15sThe rated operating current is 1.02 amps Likely expensive from Loud Technologies ( bought St Louis Music) If you have an airport nearby with a repair or maintenance facility - you may be able to find it there. Google #1683 lamp and see what may be found perhaps close to you. It should have that rating for replacement, and if especially using a lower current lamp - it will illuminate sooner and limit your high end before it was designed to ''limit''.The brighter the lamp goes - the more series resistance is encountered (reducing signal to driver) Be glad the lamp went out instead of a high freq driver.......Might want to have a look at how much high end you are creating during performance. Link to comment Share on other sites More sharing options...
Members katillac Posted August 26, 2008 Members Share Posted August 26, 2008 From the part number and description, it sounds like this may be what you are looking for. Hope so! Link to comment Share on other sites More sharing options...
Members el_tonto Posted August 26, 2008 Members Share Posted August 26, 2008 28V at 1.02A is about 30W, so using two 12V 15W automotive bulbs in series will probably be perfectly adequate. Link to comment Share on other sites More sharing options...
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