View single post by subwoofer
 Posted: 10-10-2009 12:30 pm
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Joined: 04-01-2008
Location: Sandefjord, Norway
Posts: 583
Just stumbled across these guys: QED

They have 13mm trumpets for the same price as 43mm. I don't think the shorter trumpets should change max power RPM much, it is still a very small part of the total runner length.