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Need help selecting choke filter
#1

I just finished restoring a 40-180. It works fine, but the 12 inch speaker has a big hole in it. Instead of re-coning the speaker. I decided to replace it with a PM speaker I got for 16 bucks.  good speaker actually. So I need to replace the choke. The original speaker has an 1100 ohm choke/ magnet. The radio draws  60watts. the chokes I find online that are rated for 500ma only have a resistance of 50 ohms. So should I choose this choke and add a 1K ohm 10 watt resistor to match the original speakers resistance? I initially installed a choke with a resistance of around 1100 ohms which matched the original coil's resistance, but it gets a little warm when running, and it's rated at just 35ma. 


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Need help selecting choke filter - by Tamurphy67 - 03-18-2017, 05:41 PM



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