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D'Addario Helicore
Double Bass Strings
Since introduction in the mid 1990's, Helicore have achieved a remarkable acceptance among students and professionals worldwide. The stranded metal core gives quick response due to the thin diameter of the strings. Now available for small size instruments in the Orchestra variant.
To order an item, click only once on the underlined portion of the product name below. Wait for a response.

Tension specs are located at the bottom of this page.

3/4 Bass
Orchestra Light
 
3/4 Bass
Orchestra Med
3/4 Bass
Orchestra Heavy
G $25.79 G $25.79 G $25.79
D $28.87 D $28.87 D $28.87
A $32.90 A $32.90 A $32.90
E $38.52 E $38.52 E $38.52
Set $126.00 Set $126.00 Set $126.00
E Extended $43.52 E Extended $43.52 E Extended $43.52
B (V) $45.65
 
1/2 Bass
Orchestra
1/4 Bass
Orchestra
1/8 Bass
Orchestra
G $21.76 G $21.76 G $21.76
D $25.04 D $25.04 D $25.04
A $31.94 A $31.94 A $31.94
E $36.94 E $36.94 E $36.94
Set $113.89 Set $113.89 Set $113.89
 
1/10 Bass
Orchestra
3/4 Bass
Orchestra-Solo
G $21.76 A $25.79
D $25.04 E $28.87
A $31.94 B $32.90
E $36.94 F# $38.52
Set $113.89 Set $126.00
 
3/4 Bass
Hybrid Light
3/4 Bass
Hybrid Medium
3/4 Bass
Hybrid Heavy
G $25.79 G $25.79 G $25.79
D $28.87 D $28.87 D $28.87
A $32.90 A $32.90 A $32.90
E $38.52 E $38.52 E $38.52
Set $126.00 Set $126.00 Set $126.00
E Extended $43.52 E Extended $43.52 E Extended $43.52
B (V) $45.65
 
  1/2 Bass
Hybrid Medium
  G $21.76
  D $25.04
  A $31.94
  E $36.94
  Set $113.89
 
3/4 Bass
Pizz. Light
3/4 Bass
Pizz. Medium
3/4 Bass
Pizz. Heavy
G $25.79 G $25.79 G $25.79
D $28.87 D $28.87 D $28.87
A $32.90 A $32.90 A $32.90
E $38.52 E $38.52 E $38.52
Set $126.00 Set $126.00 Set $126.00
E Extended $43.52 E Extended $43.52 E Extended $43.52

 

Tension (in lbs.)*
String Light Med. Heavy
G-orch 58.2 62.0 64.0
D-orch 61.3 65.9 68.4
A-orch 62.5 69.0 73.0
E-orch 64.1 70.0 74.8
E Ext-orch 64.1 70.0 74.8
G-hybrid 58.2 62.0 64.0
D-hybrid 61.3 65.9 68.4
A-hybrid 63.0 67.0 70.0
E-hybrid 64.0 68.0 71.0
E Ext-hybrid 64.0 68.0 71.0
G-pizzicato 58.2 62.0 64.0
D-pizzicato 61.0 66.0 69.0
A-pizzicato 63.0 67.0 70.0
E-pizzicato 64.0 68.0 71.0
E Ext-pizzicato 64.0 68.0 71.0
A-solo 60.5
E-solo 63.0
B-solo 68.4
F#-solo 69.0
*Tension calculations are made using a string length of 41.75inches. Small sizes not listed.

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