Re: [Harp-L] Koch Chromatic

[Winslow Yerxa <winslowyerxa@xxxxxxxxx>]

Or there's humble old rubber cement, which some chromatic customizers apply to the side of the backing plate that faces the reedblock.

Also, you can install outside valves on the blow reed slots to create a half-valved Koch. Then there's embossing, as someone mentioned.

I've done all three (except maybe the rubber cement; I should add that when i have time) to an old Koch in G that I converted to Augmented tuning as I was giving lessons to a guy who had chosen that as his preferred tuning. It's less airtight than a fully valved chromatic, but much more airtight than a stock Koch.

Winslow

 
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________________________________
 From: David Payne <dave@xxxxxxxxxxxxxxxxxxxxxx>
To: Harp L Harp L <harp-l@xxxxxxxxxx> 
Sent: Tuesday, May 22, 2012 5:29 PM
Subject: Re: [Harp-L] Koch Chromatic
 
Biggest tip I can think of would be to buy a valved Richter harp, lol. 
Reducing leakage, yes. You can  take the mouthpiece and slide assembly off, then reattach it with gasketing. Kitt Gamble turned me on to aquarium silicone for this. He said that something that wouldn't kill fish, probably wouldn't kill us. I think he was right. 

 
David Payne
www.elkriverharmonicas.com


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________________________________
From: Chuck Linville <linvillec@xxxxxxxxxxxxxx>
To: harp-l@xxxxxxxxxx 
Sent: Tuesday, May 22, 2012 10:39 AM
Subject: [Harp-L] Koch Chromatic

Hello all. I'm working on a Koch 10 hole chromatic. Any tips on reducing leakage? I did find that the slider is off to the right just a tad and needs to be tweaked in. I also hear a little "clicking" from what I presume are the windsavers on a couple of reeds. I'm not seeing any cracks in the comb, at least from the outside. Anything else I should be looking for? How about the slide itself? Are these generally lubricated with something? Thanks! -chuck