tolga7t
137 posts
Jan 05, 2011
5:32 PM
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I have someone trying to fix his vintage Hohner 56 Tremolo. I know most of you all do diatonic work, but can anyone provide help with this?
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chromaticblues
448 posts
Jan 05, 2011
6:11 PM
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Its no different than a diatonic harp. Its basically two diatonics in one. I think the harp your talking about is the one that has one half of the harp tuned a half step high than the other half.
Other than the tuning of it it is just like a diatonic.
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nacoran
3577 posts
Jan 05, 2011
9:18 PM
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Whenever I have a question about a non-diatonic I send up the Payne Signal and page Dave Payne to the thread.
Looking at the Hohner site it looks like the two sides are tuned a 5th apart (either C/G, A/D or F/Bb). I've only taken one tremolo apart, and it wasn't a two sided one. I know that on a tremolo the two reeds are tuned slightly off from each other so they resonate at nearly the same frequency, but not quite, sort of like how windshield wipers on a bus will swing like they are in unison for a little bit but slowly fall off from each other. That causes the peaks and valleys of the sound waves to alternately amplify and cancel each other, which causes the tremolo effect, and I know that German harps are tuned wetter than Asian harps, but after that I don't know the specifics.
Pat Missin also has an article on it.
Tuning the Double Reed Harmonicas
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Nate
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jim
652 posts
Jan 06, 2011
12:08 AM
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You want advice on something or you want it restored?
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www.truechromatic.com
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