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how do i invert a dustcap |
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pilly titbit 
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Joined: 02 October 2007 Status: Offline Points: 8 |
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 Topic: how do i invert a dustcapPosted: 03 March 2009 at 4:23pm |
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want to invert dustcaps on 4 pd121's so they fit in a pair of assmx600.
i was thinking cut them out around where theyre glued in and jusst stick them in again the other way. someone just said not to do that and to soke the glue around the cap in thinners, take them out carefully and then glue them back in with liquid rubber or dunlop what should i do? cant be too hard surely? would take them to a proffesional but i live in cornwall so not an option |
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Wrighty
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Joined: 17 April 2004 Location: Devon Status: Offline Points: 1801 |
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Posted: 03 March 2009 at 4:40pm |
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I think you'll find that you need different dustcaps, as the normal ones will probably hit the pole piece when inverted. The inverted ones are normally flatter and don't have the gluing flange round the edge like the normal ones, since the paper is already curving the right way. Tony.A.S.S. over on the FSP forum is probably the best person to ask though.
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ALL YOUR BASS ARE BELONG TO US.
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Timebomb
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Joined: 11 October 2004 Location: Lancaster Status: Offline Points: 2763 |
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Posted: 03 March 2009 at 4:56pm |
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Roy turbomax will proberbly sell you some dustcaps, like Wrighty said you need to know how far foward the pole peice comes.
Or ask Tony ASS as he had that driver modifyed for that phaze plug. |
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James Secker facebook.com/soundgearuk
James@soundgear.co.uk www.soundgear.co.uk |
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pilly titbit
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Joined: 02 October 2007 Status: Offline Points: 8 |
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Posted: 03 March 2009 at 4:57pm |
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yeh he told me to buy an rcf driver that already has an inverted dustcap. i asked him about just inverting some ordinary 121's though and he reckoned it would work. will have to see
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mykey
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Joined: 18 August 2005 Location: UK/Indonesia Status: Offline Points: 9680 |
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Posted: 04 March 2009 at 5:25am |
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done many
cut out the dust cap as close to the edge as possible, I did this by bending the blade against the cone to get as close as possible, turn around and glue back
don't bother getting different dust caps, if its too close use a hardboard spacer/ring to bring the driver away from the rear of the bung
another alternative I did on the first night of carnival back at the workshop
I inverted some dust caps by kettle steaming them and pushing them in, this was very effective, and no cutting involved
a member on here blew all our midrange when we went of something to eat you see
so the sunday night I had to get me thinking head on (cuppa tea slice cake aunt sally), and steam did the trick
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jbl_man
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Joined: 12 January 2005 Location: London. Status: Offline Points: 11308 |
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Posted: 04 March 2009 at 9:20am |
Yep,done the same thing here Mike..a surgical scalpel is the best tool,with a new blade fitted,but be careful not to cut through the cone lead-in wires (which can lie directly below the dustcap glue-line).
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Be seeing you.
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Contour
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Joined: 03 March 2004 Status: Offline Points: 677 |
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Posted: 04 March 2009 at 12:05pm |
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Hello Mykey,
I think they mean the dustcap itself may hit the pole piece when inverted, not so much the phase bung.
Best regards,
Walt
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mykey
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Joined: 18 August 2005 Location: UK/Indonesia Status: Offline Points: 9680 |
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Posted: 04 March 2009 at 12:14pm |
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no it won't PD 121 is the drivers I did it too please don't soak a cone in thinners
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pilly titbit
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Posted: 04 March 2009 at 12:25pm |
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sound so i dont even need a new dust cap? will go and buy a scalpell and some glue today, what glue would you recomend?
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mykey
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Posted: 04 March 2009 at 12:47pm |
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Loctite 4105 black tak kit
not cheap so you mite want to find an alternative
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mykey
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Posted: 04 March 2009 at 12:48pm |
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or take your time and steam them thats what I did to the PD121's no glue no scalpal.........and you get a cup of tea at the end of it, you can't beat that |
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Jake_Fielder
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Joined: 08 October 2007 Status: Offline Points: 4236 |
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Posted: 04 March 2009 at 7:32pm |
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you're full of good ideas mykey!
If you have many more good ideas you foot might fall off.... |
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mykey wrote: