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Old 3rd February 2005, 10:37 AM   #31
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Quote:
Originally posted by kenev
What is this "duct seal" product?
Can someone make a brief description of it?
I too own a pair of FE167 in a TQWT and would like to try managing back reflections to the chassis legs.
A putty like substance that stays malleable for a long time (i've recycled ductseal i 1st used 25 years ago). used in HVAC to seal ducts.

found: online source for duct seal

dave
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Old 4th February 2005, 08:43 PM   #32
smbrown is offline smbrown  United States
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FWIW, I have FE167E's in small (0.5 cu ft) bass reflex cabinets and the sound absolutely awsome. My son commented the other day that I must really like them because they've been in my system longer than any other speaker. Yes, I do like them. I did not install any BSC, though I've experimented with it. Like them better right into the amp. I'm using tubes, both PP and SE. The only tweek I did was to put about a pound of plumber's putty around the magnet and on the outside of the basket. The enclosures I think add a lot here. Mine are cherry plywood, with a solid maple front baffle. The inside of the cabinet has one "H" brace in it (3/4" baltic birch), there is 1/4" felt on one side and the top, the rest of the box is very lightly stuffed. These sounded very nice right from the start, and have gotten better and better.
Steve
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Old 5th February 2005, 12:57 AM   #33
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I would be willing to bet that the DF and bandwidth figures
of your tube amps have nicely complemented the FE167's.
You would probably find that there is a little more wiggle room
for performance if you start playing with some passive networks.

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Old 15th February 2005, 03:02 AM   #34
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Default DUCT SEAL

Well I decided to try an aplication of Duct seal . I put a thin bead around the circumference of the magnet. Also I aplied it to three of the legs on each basket. The sound is much improved , much smoother
not sure about the vocals yet , seems like lost a little presence.


As for the Bass ,I built the horn loaded sub (tuba 18 ) in january issue of audioxpress. Very nice , compliments the speakers nicely


Jeff
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