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Double Bass String gauges

#21
@martinc: If you use a Mac with OS X, simple print the File from the browser into a PDF. If you use a Windows-PC there is a free version of PDF-XChange Lite 2012 available, so you can print into a PDF with Windows.

BTW, there might be a few values (tension in Kg) missing for the Presto light nylon tape, because the end has been cut.

Maybe you can put the file(s) on a cloud service and drop the link here. Some of us (including me) can then convert to PDF, put the file on a cloud service too and publish the link here again.
It would be nice if you have the 110 cm page too.

I still have the last page with the string tension calculation and the table of musical note frequencies. Not very helpful, but one more piece of the puzzle.
 
#22
DoubleMIDI said:
@martinc: If you use a Mac with OS X, simple print the File from the browser into a PDF. If you use a Windows-PC there is a free version of PDF-XChange Lite 2012 available, so you can print into a PDF with Windows.

BTW, there might be a few values (tension in Kg) missing for the Presto light nylon tape, because the end has been cut.

Maybe you can put the file(s) on a cloud service and drop the link here. Some of us (including me) can then convert to PDF, put the file on a cloud service too and publish the link here again.
It would be nice if you have the 110 cm page too.

I still have the last page with the string tension calculation and the table of musical note frequencies. Not very helpful, but one more piece of the puzzle.
Click to expand...


midi:

Thanks for the suggestions.
I copied this Excel-sourced chart from the original link a few years ago. Unfortunately I can't find a way to save it so I can convert it to a PDF file or send it anywhere. The only link is to my own files. A screen shot cuts off the right side of the data.
I won't have the time to copy and redo all the info for a few days. I will also have to re-format.
I also tried to shrink the page to print it but it is too large even for the maximum shrinkage (30 per cent) I can do on Windows 7.
I have also tried the Excel Lite program but I end up with the same problem as when I use my Adobe PDF converter. I can save a file link to the page from within my computer...but not the HTML page itself.

I summary: the source for the page is now gone. I have a copy of the document in my own Documents file. But the only http link that appears when I view the page is a link back to my own files on my hard drive. I can save that link but the link won't open within the converter so I can convert then to PDF files...or anything else.
 
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#23
Nice work, you guys! Thanks a lot. :thumbsup:

When I recall that there was absolutely NO information regarding string gauges on line twenty years ago, I'm really proud of how much data we've been able to harvest and share via the double bass community.

This is solid info and needs to be preserved on line and on our own hard drives.
 
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#24
I entered the whole 105 cm stuff from baen.tama.edu into a table of a new word document (A4 landscape, 4 pages). I'm just waiting for the references and some original (kg) tensions for the Presto Light. I hope martinc either post that here or send me his saved file. When it's done I will upload the word file and a PDF to Dropbox and post a link here so anybody can download it.

Has anybody saved the second table with the 110 cm scale values?
 
#25
I just PM'd doublemidi. There is no reference source on my copied Excel chart so I can't save it.....other than in my own hard drive. I can open the file from my hard drive but the only thing I can send is that link to my own file, which will not work on anyone else's computer.

For Presto Light:

Tension kg:
G - 21.5
D - 23.5
A - 25.5
E - 28.0

Diameter (inches):

G - 0.069
D - 0.094
A - 0.110
E - 0.142
 
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#26
Thanks martinc, and I guess the reference for the kg-tensions is 12 as well as the other two Presto sets.

Does anybody know what Pirastro Originals are?
Is this perhaps an earlier name for Chromcor or a predecessor of Chromcor?

Without the references it is also not clear which kind of Flexocore was meant, since they changed names around 1992. The was changed last time in 2007, but some data there and the data in the references might be a lot older than that.

My reconstructed table for the 105 cm scale is almost ready, just the references (legend where the table data has been taken from) are missing. I hope I can get that soon too and then put the file somewhere for public access and post a link here.
 
#27
DoubleMIDI said:
Does anybody know what Pirastro Originals are?
Is this perhaps an earlier name for Chromcor or a predecessor of Chromcor?

Without the references it is also not clear which kind of Flexocore was meant, since they changed names around 1992. The was changed last time in 2007, but some data there and the data in the references might be a lot older than that.

My reconstructed table for the 105 cm scale is almost ready, just the references (legend where the table data has been taken from) are missing. I hope I can get that soon too and then put the file somewhere for public access and post a link here.
Click to expand...
I would think its Pirastro Original Flexocore. The Chromcor used to be called Wondertone.

You could post the data on the TalkBass Wiki pages, accessible from the navigation bar at the top of every page and home to the Beginners Guide, etc.

Wiki Index | TalkBass.com
 
#28
Comparative Tensions of Different Sets of Spirocores,
If Each Were Installed on a 3/4 106 cm (41.73 inches)
Mensure Bass at Orchestra Pitch (all in pounds)

Code:
G D A E Total
S42 4/4 Light 55.3 59.3 61.4 63.4 239.4
S42 4/4 Medium 61.4 65.5 69.6 69.6 266.1
S42 4/4 Heavy 73.7 73.7 75.8 77.8 301.0
4/4 Solo @ 3/4 Orch 50.3 55.3 55.3 55.3 216.2
3/4 Solo @ 3/4 Orch 56.0 57.8 57.8 57.8 229.4
3885 3/4 Light 60.6 61.7 63.9 66.1 252.3
3885 3/4 Medium 67.2 68.3 70.5 72.8 278.8
 
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#31
Francois Blais said:
Chromcor predecessor were Ultra-Sensitive methinks, Jake.
Click to expand...
Same thing. :thumbsup: I have some if you're interested!
Pirastro Wondertone Package.JPG
 
#33
@SSS: What is the source of your gauge listing?

Edit: I found it myself. It's from the Bass Spa. Easier to identify the strings there.

There are some strings missing in some sets and sometimes it might be hard to say which strings are omitted. A question mark for a missing string might have helped.
 
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#36
Here's the reference list from the tamu string gauge and tension guide. Double Midi asked me if I still had access to it. On the missing chart, it was listed after the Velvet string gauges.

___________________________________________


NOTE: Reference number appears next to the original data. Converted data are not referenced directly but should be referred back to the original data. 25.4 mm per inch and 2.205 lb per kg

1. From Bob Gollihur's web site - his measurements
2. From Bob Gollihur's web site - Corelli values (scale length not reported)
3. From Bob Gollihur's web site - Lenzner values
4. J.R. Music Supply
5. Jordan Kirkness
6. D'addario
7. Thomastik-infeld
8. www.talkbass.com
9. Southwest Strings
10. www.talkbass.com
11. Jargar strings
12. Presto strings (scale length not reported)
13. Lenzner strings
14. Pyramid-saiten Strings
15. Adrian Cho
16. Invalid Link Removed
17. Values calculated by taking string diameter and tension data and determing the effective density of each string; then entered the new pitch or string length in the calculator and determined the new string tension.
18. Invalid Link Removed
19. Invalid Link Removed
20. Invalid Link Removed
21. Invalid Link Removed
 
#37
SSS said:
im happy we could get all the info into this forum
it was missing for a long time - thank you to all who helped
no disrespect Jake - you have been credited
Click to expand...
Thanks. I went back to Post #1 in this thread and was very surprised to see that the Wiki page we created has disappeared! Astonished and disappointed.

It was good to have it as a Wiki page so that new data could be added as I/we measured new strings that weren't on the list.

Thanks for resurrecting this important resource. :thumbsup:
 
#38
Lycon (3/4 Instrument)
- Almost new set -
G D A E
105 cm scale 29.55 29.6 26.6 29.4 [kp]
110.5 cm scale 32.4 32.5 29.2 32.25 [kp]
Ø measured 1.25 1.54 1.96 2.78 [mm]
Total length 173.8 172.8 171.3 162.3. [cm]
Pegbox silk 31.8 31.8 33.0 31.1 [cm]
Underlength silk 16.5 15.5 15.2 15.1 [cm]
Playing length 125.5 125.5 123.1 116.1 [cm]
Ball end type brass cylinder
Core diameter 0.76 [mm, all strings]
Core type. medium twisted spiral steel rope [all strings]
Pegbox silk colour (Royal) blue [all strings]
Tailpiece silk colour (Royal) blue [all strings]

thanks DOUBLEMIDI
 
#39
  1. posted by Korotkov


  4. here are the quotes i got from pirastro by emal


  7. carlos henriques

    G 43,0 PM (1 PM = 0,05 mm)

    D 54,0 PM (1 PM = 0,05 mm)

    A 50,0 PM (1 PM = 0,05 mm)

    E 63,5 PM (1 PM = 0,05 mm

    142100 D-BASS CHORDA G ORCHESTRA GUT MITTEL 44,0 PM (1 PM = 0,05 mm)

    142200 D-BASS CHORDA D ORCHESTRA GUT MITTEL 59,0 PM (1 PM = 0,05 mm)

    242300 D-BASS CHORDA A ORCHESTRA GUT/SILVER PLATED MITTEL 55,0 PM (1 PM = 0,05 mm)

    242400 D-BASS CHORDA E ORCHESTRA GUT/SILVER PLATED MITTEL 76,5 PM (1 PM = 0,05 mm)


    145120 D-BASS EVAH PIRAZZI SLAP G GUT MITTEL 42,0 PM (1 PM = 0,05 mm)

    145220 D-BASS EVAH PIRAZZI SLAP D GUT MITTEL 52,5 PM (1 PM = 0,05 mm)

    445320 D-BASS EVAH PIRAZZI SLAP A SYNTHETIC/CHROME STEEL MITTEL 46,5 PM (1 PM = 0,05 mm)

    445420 D-BASS EVAH PIRAZZI SLAP E SYNTHETIC/CHROME STEEL MITTEL 54,0 PM (1 PM = 0,05 mm)

    445120 D-BASS EVAH PIRAZZI SLAP G SYNTHETIC/ALUMINUM MITTEL 40,75 PM (1 PM = 0,05 mm)

    445220 D-BASS EVAH PIRAZZI SLAP D SYNTHETIC/CHROME STEEL MITTEL 45,75 PM (1 PM = 0,05 mm)

    sorry if it had been posted before. as i understand, that menas regular chorda is 2.2mm and carlsos g is 2.1mm , 2.9mm and 2.7mm for the d respectively

Thanks Korotkov!
 
#40
more info from - www.gollihurmusic.com

Pirastro Evah Pirazzi Slap Set
Color Code
  • At the tailpiece end:
    • E and A Strings: Gold spiral on Black
    • D and G Strings: Plain Gut (loop)
  • At the peg end:
    • Mittel/Medium/Orchestra: G – brown; D – red; A – black; E – green
String Gauges (diameter) and Tension:
Gauge measured on a representative set using a digital caliper - gut strings, in particular, may vary slightly. Tensions provided by manufacturer.
  • G (Plain Gut): .085 • 45 lbs tension (20.4 kp)
  • D (Plain Gut): .105* • 39.7 lbs tension (18 kp)
  • G (Wound Synthetic Core): .080 • 47.6 lbs tension (21.6 kp)
  • D (Wound Synthetic Core): .089 • 44.3lbs tension (20.1 kp)
  • A (Wound Synthetic Core): .092 • 47.6 lbs tension (21.6 kp)
  • E (Wound Synthetic Core): .106 • 45.6 lbs tension (20.7 kp)
* Yes, due to the thicker nature of plain gut strings, the D string is larger than the synthetic A string. This measurement isn't a mistake!

4/4 bass? Pirastro designs these 3/4 size bass strings to fit on a standard 3/4 size bass and most 4/4 basses. They may very well fit your bass if it is larger than 3/4.

thank you Gollihur!
 

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