rogonzab
33 posts
Apr 17, 2012
6:34 PM
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Hi,
I have a question.
There is any difference on the reed plates of the S20 and the MB? (Material, tuning, dimensions)
Thxs!
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arzajac
778 posts
Apr 17, 2012
6:43 PM
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The reeplates start off the same. They are made of the same material and made exactly the same. The reeds are also exactly the same and are interchangeable.
The dimensions are different due to each having a different comb. But you can still interchange them with a little work. SP 20 reed plates do not have a groove in them in the front.
I believe they are both a compromised tuning, but they are different from one another.
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rogonzab
34 posts
Apr 17, 2012
6:50 PM
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Thxs arzajac!
So, they are tune in a diferent way?
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HarpNinja
2344 posts
Apr 17, 2012
6:51 PM
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The reeds also sit in different positions between the two.
The reedplates are of a different design, even assuming the brass alloy is the same. They are not interchangeable without modification.
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Mike
VHT Special 6 Mods
Quicksilver Custom Harmonicas - When it needs to come from the soul...
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rogonzab
35 posts
Apr 17, 2012
7:15 PM
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My real concern it about the tuning.
I dont like that metal taste when you TB on a MB, so if the S20 has the exact same tuning it will be awesome.
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HarpNinja
2345 posts
Apr 17, 2012
7:28 PM
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Same tuning...the only handmades that aren't that compromise are the Crossover and Golden Melody.
The SP20, MB, and MB Deluxe have the same tuning. The reeds on all those models are interchangeable.
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Mike
VHT Special 6 Mods
Quicksilver Custom Harmonicas - When it needs to come from the soul...
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barbequebob
1861 posts
Apr 18, 2012
8:36 AM
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@Harp Ninja---The Crossover IS comprimised tuned, but TOTALLY DIFFERENT than either the MB/Sp20/MBD or the MS series.
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Sincerely,
Barbeque Bob Maglinte
Boston, MA
http://www.barbequebob.com
CD available at http://www.cdbaby.com/cd/bbmaglinte
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HarpNinja
2346 posts
Apr 18, 2012
9:34 AM
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That's why I said they aren't, "that", compromise.
The GM is ET and the XO has its own unique compromise that is fairly close to ET.
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Mike
VHT Special 6 Mods
Quicksilver Custom Harmonicas - When it needs to come from the soul...
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ElkRiverHarmonicas
875 posts
Apr 18, 2012
3:15 PM
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I just wanted to make a clarification, I don't think the plates could technically start off the same, because they'd gave to be made on a different die. Reedslot dimensions though are identical.
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David
Elk River Harmonicas
Elk River Harmonicas on Facebook
"It's difficult to think anything but pleasant thoughts while eating a homegrown tomato." - Lewis Grizzard
"Also, drinking homemade beer." - David Payne
Last Edited by on Apr 18, 2012 3:17 PM
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barbequebob
1862 posts
Apr 19, 2012
10:27 AM
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Below is the Marine Band Crossover Tuning that's Steve Baker posted in Harp-L:
Marine Band Crossover Tuning
BLOW 0 -5 1+ 0 -5 1+ 0 -5 1+ 0
HOLE# 1 2 3 4 5 6 7 8 9 10
DRAW 1+ 4+ 0 1+ 2+ 1+ 0 1+ 2+ 1+
Please read an excerpt from a posting Steve Baker placed on Harp-L on this tuning:
0=443Hz w. minimal air pressure, all deviations are in cents, 1Hz =approx. 4 cents on most tunersBlow reed plate:Root notes (1, 4, 7 & 10) tuned to 0Thirds (2, 5 & 8) minus 5 centsFifths (3, 6 & 9) + 1 centDraw reed plate:1-draw is very difficult to measure accurately. With absolutelyminimal air pressure maybe +8 cents, more in low keys. Like that itwill sound right with normal air pressure. It's essential that itsounds good when played together with 2-draw and as an octaveinterval with 4-draw.2-draw + 4-6 cents depending on the key, at normal air pressure itshould sound at the same pitch as 3-blow3- & 7-draw tuned to 04- & 8-draw 1 cent higher than 2-draw (i.e. + 5-7 cents)5- & 9-draw + 2 cents (this will mean the 7th chord sounds rough, butsounds better as a single note. You can even tune it a little higherif you prefer that sound)6- & 10-draw 1 cent higher than 4-draw (i.e. + 6-8 cents)It's highly recommended to check that all perfect intervals (octaves,fifths and fourths) sound without interference beats. This is whatpiano tuners do too. You'll find it's damnably difficult to obtainconstant readings from your tuner and I can only recommend playingvery softly indeed and holding the note for a long time so you get afairly clear note value. I use a Korg MT-1200 tuner with a built-inspread which tunes the upper octaves slightly sharper (as do pianotuners) and use the smallest spread the machine offers. It's hard towork to this degree of accuracy with a tuner which only shows Hz values.Hope this will be of assistance,Steve Bakerwww.stevebaker.dewww.bluesculture.com
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Sincerely,
Barbeque Bob Maglinte
Boston, MA
http://www.barbequebob.com
CD available at http://www.cdbaby.com/cd/bbmaglinte
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