R.A. Colby, Inc.
PO Box 4058
Johnson City, TN 37602
ph: 423-282-4473
info@racolby.com
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RA Colby Organbuilder


Halving: 17th
Ears: 1-36
Skiving: Outside
Material: 1-7 Zinc, 8-61 Lead
Tuner Style: Slide
Compass: 1-61

Pipe# C1 C2 C3 C4 C5 C6 C7
Scale 53 64 76 90 100 7mm  
Mouth Width Ratio 3/4 3/5 3/5 2/3 4/5 5/8  
Mouth Width mm 70 41 24 14 8 5  
Cut Up mm 25 16 9 4 2 1  
Cut Up Ratio 1/3 2/5 1/3 1/3 1/4 1/5  
# nicks in languid 31 22 16 13 9 8  
Tuned Length" 45 22 10.5 5.25 2.5 1  
Total Pipe Height" 56.25 30.25 17.5 12 8.75 7.25  
Toe Hole Dia mm 12 8 5 3 2 1  
Roller Beard Dia mm              
Wind Way mm 1 1 1 1 1 1  
Metal Thickness mm 1 1 1 1 1 1  
Hook Heights"              



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Copyright 2016, R.A. Colby, Inc.. All rights reserved.
 
 

4' Diapason
• 53 scale
• 61 pipes

• $985 + shipping/handling

• KA04.11-102