[CAUT] duplex bar dressing

David Love davidlovepianos at comcast.net
Wed Dec 19 22:08:02 MST 2007


I've not found the duplex bars themselves to be the source of noises.  They
certainly can contribute by how they influence the angle at the capo bar but
the source of the noise is usually the capo rather than the duplex, at least
in my experience.  Dressing them for cosmetic reasons is fine.  Also, if you
like the look of bare metal, which you can get by sanding through the gold
lacquer, then a rub on coating of paraffin will help with the rendering and
leave the duplex protected but still metallic looking.  

 

David Love
davidlovepianos at comcast.net
www.davidlovepianos.com 

-----Original Message-----
From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of Susan
Kline
Sent: Wednesday, December 19, 2007 10:04 AM
To: College and University Technicians
Subject: Re: [CAUT] duplex bar dressing

 

At 10:54 PM 12/18/2007, you wrote:



You mean like grind them off:-) ?  Dressing the duplex bars is unnecessary,
in my view.


I sometimes have noticed a sizzle coming from a few of them. Once the
strings were off or slack and pulled to one side I would rub them
superficially with some fine grit emery cloth (to remove any burrs) and then
load them with graphite. Maybe overkill ... but anything which improves
rendering seems like a good idea. 

Susan Kline
OSU, Newport Arts Center

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