Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

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Re: Bypassing over-current protection light bulb in speakers, would it help or hurt?

Posted by Jon Risch (B) on May 16, 2007 at 20:06:53

In Reply to: Bypassing over-current protection light bulb in speakers, would it help or hurt? posted by Yashu on May 11, 2007 at 12:45:49:

The crossover has been designed with the protection light bulb IN CIRCUIT, shorting it out would probably cause the crossover to no longer work as intended, and the tweeter sound to get bright, and this not something you would want to do with most JBL monitors from the old style. They were known for their bright and forward sound in the treble.

RE crossover tweaks, you could replace the electrolytic caps with some film caps, but be sure to get film caps that are considered "warm", or they will brighten up the sound too much as well.

Be sure to use some good solder, such as 63/37 Kester with the 44 rosin core, or Ersin multicore 63/37, and you might want to consider replacing the 'zip cord' type cables used inside these kinds of JBL/s too while you are in there.

Jon Risch

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