--- product_id: 14646331 title: "D'Addario Helicore Viola String Set, Extra Long Scale, Medium Tension" brand: "d'addario" price: "COP 540513" currency: COP in_stock: true category: "D'addario" url: https://www.desertcart.co/products/14646331-daddario-helicore-viola-string-set-extra-long-scale-medium-tension store_origin: CO region: Colombia --- # Multi-stranded steel core for warm tone Extra-long 15 3/4" scale fit Sealed pouch corrosion protection D'Addario Helicore Viola String Set, Extra Long Scale, Medium Tension **Brand:** d'addario **Price:** COP 540513 **Availability:** βœ… In Stock ## Summary > 🎻 Elevate your viola’s voice with strings that play as hard as you do! ## Quick Answers - **What is this?** D'Addario Helicore Viola String Set, Extra Long Scale, Medium Tension by d'addario - **How much does it cost?** COP 540513 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/14646331-daddario-helicore-viola-string-set-extra-long-scale-medium-tension) ## Best For - d'addario enthusiasts ## Why This Product - Trusted d'addario brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Unmatched Durability & Stability:** Premium materials and expert craftsmanship guarantee pitch stability and long-lasting performance. - β€’ **Warm, Clear Tone with Steel Core:** Multi-stranded steel core delivers rich warmth and quick bow response for expressive playing. - β€’ **Innovative Eco-Friendly Packaging:** Sealed pouches protect strings from corrosion while reducing environmental waste. - β€’ **Precision Fit for Extra-Long Violas:** Tailored for violas 17"+ body length, ensuring perfect tension and playability. - β€’ **Made in the USA with Cutting-Edge Tech:** Digitally controlled manufacturing ensures consistent, professional-grade quality every set. ## Overview D'Addario Helicore Viola String Set is engineered for extra-long scale violas (17"+ body length) with medium tension strings crafted from a multi-stranded steel core. These strings offer a clear, warm tone with quick bow response, exceptional pitch stability, and longevity. Packaged in innovative sealed pouches to prevent corrosion, they are manufactured in the USA using state-of-the-art digital machinery, making them a top choice for professional and serious viola players seeking reliable, high-performance strings. ## Description Product Description Zyex synthetic core strings produce an extremely warm, rich sound. Zyex is a new generation of synthetic material, creating strings that are extremely stable under drastic climatic conditions. Zyex strings settle in on the instrument very fast, within a matter of hours. Zyex has a warmer sound than most other synthetic core strings, making them excellent for use on brighter sounding instruments. Sized to fit long-scale viola (body length 16-16 1/2 inches) with a playing length of 15 inches (380mm), light tension strings allow for easier bow response. From the Manufacturer Sized to fit extra long-scale viola (body length 17 inches and larger) with a playing length of 15 3/4 inches (400mm), these medium tension strings are optimized to the needs of a majority of players. Packaged in uniquely-designed sealed pouches providing unparalleled protection from the elements that cause corrosion. Helicore viola strings are crafted with a multi-stranded steel core, resulting in optimal playability while producing a clear, warm tone. The smaller string diameter provides quick bow response. Premium quality materials combined with skilled workmanship produces strings known for excellent pitch stability and longevity. D'Addario, the world's largest manufacturer of musical instrument strings, is known worldwide for unsurpassed quality and consistency. D'Addario continues to develop and manufacture exceptional strings and accessories for violin, viola, cello and double bass, incorporating innovative packaging that reduces waste and provides protection from corrosion. All D'Addario strings are manufactured in the U.S.A. using proprietary, digitally controlled, state-of-the-art machinery for unmatched performance, set after set. ## Features - Sized to fit extra long-scale viola (body length 17 inches and larger) with a playing length of 15 3/4 inches (400mm), these medium tension strings are optimized to the needs of a majority of players. Packaged in uniquely-designed sealed pouches providing unparalleled protection from the elements that cause corrosion. Helicore viola strings are crafted with a multi-stranded steel core, resulting in optimal playability while producing a clear, warm tone. The smaller string diameter provides quick bow response. Premium quality materials combined with skilled workmanship produces strings known for excellent pitch stability and longevity. D'Addario, the world's largest manufacturer of musical instrument strings, is known worldwide for unsurpassed quality and consistency. D'Addario continues to develop and manufacture exceptional strings and accessories for violin, viola, cello and double bass, incorporating innovative, environmentally friendly packaging that reduces waste and provides protection from corrosion. All D'Addario strings are manufactured in the U.S.A. using proprietary, digitally controlled, state-of-the-art machinery for unmatched performance, set after set. - Extra-long scale viola (body length 17 inches and larger) with a playing length of 15 3/4 inches (400mm) - Medium tension - Stranded steel core provides optimum playability and produces a clear, warm tone - Versatile string that works well for a wide variety of playing styles and instruments - All D'Addario strings are designed, engineered and manufactured in the USA to the most stringent quality controls in the industry ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003YHKDJ4 | | Best Sellers Rank | #6,450 in Musical Instruments ( See Top 100 in Musical Instruments ) #5 in Viola Strings | | Brand Name | D'Addario | | Coating Description | No coating | | Color | Clear | | Customer Reviews | 4.7 4.7 out of 5 stars (277) | | Finish Type | Uncoated | | Global Trade Identification Number | 00019954928698 | | Instrument | Viola | | Item Type Name | Viola Strings | | Item Weight | 1.12 ounces | | Manufacturer | D'Addario &Co. Inc | | Manufacturer Part Number | H410 XLM | | Material Type | Stainless Steel | | Model Name | H410 XLM | | Model Number | H410 XLM | | Number of Items | 1 | | Recommended Uses For Product | Viola, Violin | | Set Name | Helicore | | Sound Profile | Clear, warm | | String Gauge | Medium | | String Material Type | Silk & Steel | | UPC | 019954928698 | | Unit Count | 4 Count | | Warranty Description | Replaced if defective. | ## Product Details - **Brand:** D'Addario - **Color:** Clear - **Instrument:** Viola - **String Gauge:** Medium - **String Material Type:** Silk & Steel ## Images ![D'Addario Helicore Viola String Set, Extra Long Scale, Medium Tension - Image 1](https://m.media-amazon.com/images/I/71XLkjkbl6L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Frequently Bought Together - D'Addario Helicore Viola String Set, Extra Long Scale, Medium Tension - D'Addario Helicore Viola Single E String, Long Scale, Medium Tension --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co/products/14646331-daddario-helicore-viola-string-set-extra-long-scale-medium-tension](https://www.desertcart.co/products/14646331-daddario-helicore-viola-string-set-extra-long-scale-medium-tension) --- *Product available on Desertcart Colombia* *Store origin: CO* *Last updated: 2026-09-09*