[Collins] 75S-1 question

[TJRachwal]

Hi All,
	I've recently gotten into Collins S line gear....I was given (free!) 
a 75S-1 which cost me $1000.00.....I HAD to buy a 32S-1 and a few 
extras to go with it didn't I ?  Anyway, here is my question.  The 
75S-1 has a Waters Q Multiplier installed; do I need a cw filter (I 
do 99.9% CW) and if so, what is the model number of a 500 HZ 
filter?  I see someone has several filters for sale now and don't 
want to miss it if it's needed.
TNX for all the past help

73...Ted K8AQM


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