D'Addario HS613 3/4M Helicore Double Bass B String

Helicore Solo bass strings are tension-adjusted specifically for A-E-B-F# scordatura solo tuning, one whole-step higher than standard tuning.

The groundbreaking multi-stranded steel core design produces easy-to-play strings with a warm tone and excellent bow response. Damping is optimized for Arco use, making them ideal for solo performance.

Note - B (3rd)
Suitable for Arco
Playing Length 1060.5mm
Tension - Medium (66.4lbs)
String Diameter - 0.0674 inches - 1.71196 mm
Nickel on Stranded Steel Core
Ball End
Model HS613 3/4M

New Old Stock

I will happily combine Postage if you are looking to buy more than one item.  I can normally reduce the UK Postage cost so please use the option “Request Total” in your shopping cart before making payment and wait for my response.

For International Shipping please contact me if you are looking for a number of items as I am happy to make a combined listing to keep shipping costs down.

I have a good stock of spare parts that I am now selling off since the closure of my workshop.  Due to the quantity of parts I have, it is taking me a while to list everything, so if there is anything you are looking for please message me.

Who am I?  I have been working in the Musical Instrument Business for over 40 years, starting my working life training to be a Brass and Woodwind Repairer at Bill Lewington’s Music Shop in London (UK).  Over the years I have had the privilege to visit many instrument factories around the world and done business with a large number of specialised Musical Instrument Manufacturers.  All the Accessories I offer are from Suppliers/Manufacturers I have dealt with for many years so have full confidence in their high quality and am happy to include them in my stock.

New Accessories I sell include Brass & Woodwind Mouthpieces -Woodwind Caps & Ligatures -  Conducting Batons by Mollard & Broadway - Bravo & Fibracell Synthetic Reeds for Clarinet, Alto & Tenor Saxophone – Cane & Synthetic Oboe & Bassoon Reeds - Superslick & Reka Maintenance Kits - Trumpet Mutes - Ultra-Pure Oils, Marching Lyres – SuperSlick Fast Valve Oil - Hetman Oils - Ortola Piccolo, Flute & Clarinet Cases – Mr Tuba Gig Bags and Accessories – Tortajada Pro Cases - Q-Parts Guitar Strap Locks – Wittner Metronomes, John Walker Tuning Forks, Pitch Pipes a range of Violin, Cello and Double Bass Cases, Gig Bags and Accessories