Oris 250 Questions (Oris Horns)

by xcortes , Friday, June 22, 2007, 05:39 (6152 days ago) @ Bert

thanks bert.

I have another question. I am also considering the 150. I've seen that it has a ported back chamber and that some people use it without the back. Can it be used with a closed back chamber as in the 200 and 250?

thanks,

xavier

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