That's the one. I've got one in my Hahn Model C and really like it. I too was inspired by that pickup (TV Jones Classic) in Jakob Bro and Bill Frisell's Nash guitars.
One thing to consider is that several pickup brands offer a Filtertron design in a humbucker-sized housing (so you wouldn't need to cut your guitar's pickguard). TV Jones offer one, but with slighty different cosmetics. Lollar, Mojo, Creamery, Oil City and several others offer dead-on looking Filtertrons in a humbucker size.
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Gibson Thin line Guitar Models
Yesterday, 11:07 PM in Guitar, Amps & Gizmos