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D’Addario Helicore Violin String Set with Wound E, 4/4 Scale, Medium Tension


(13 customer reviews)
Last updated on November 24, 2023 12:20 am Details
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  • Scaled to fit 3/4 size violin with a playing length of 12 1/4 inches (310mm), 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. Prelude violin strings are manufactured using a solid steel core. Unaffected by temperature and humidity changes, they have excellent bow response. Prelude strings have the warmest sound available in an affordable, solid steel core string design. Prelude is the educator’s preferred choice for student strings due to their unique blend of warm tone, durability, and value.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.
  • 3/4 size violin with a playing length of 12 1/4 inches (310mm)
  • Medium tension
  • Solid steel core optimized to create the warmest-sounding student strings available
  • Educator’s preferred choice for student strings due to their unique blend of warm tone, economy, and durability
  • All D’Addario strings are designed, engineered and manufactured in the USA to the most stringent quality controls in the industry

Specification: D’Addario Helicore Violin String Set with Wound E, 4/4 Scale, Medium Tension

Item Weight

0.352 ounces

Product Dimensions

4.4 x 0.6 x 4.4 inches

Domestic Shipping

Item can be shipped within U.S.

International Shipping

This item can be shipped to select countries outside of the U.S. Learn More

Country of Origin


Item model number

J810 3/4M

Is Discontinued By Manufacturer


Date First Available

August 25, 2004

String Gauge


String Material

Silk & Steel

Number of Strings



3/4 Scale

Photos: D’Addario Helicore Violin String Set with Wound E, 4/4 Scale, Medium Tension

13 reviews for D’Addario Helicore Violin String Set with Wound E, 4/4 Scale, Medium Tension

5.0 out of 5
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  1. GabeLogan

    Excellent workmanship.
    Easy to put on and tune.
    Sounds great, richer, and NOT scratchy like the Red Label.
    A definite upgrade from the Mandini MV range violin factory strings.

    I compared this set to a Red Label Super Sensitive Steelcore, installed both of them on two violins, each violin was installed with both sets of strings for comparison, and the the Prelude won inevery aspect I mentioned above.

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  2. Nikky

    Having read good reviews about this brand online, I decided to try it out as my daughter’s violin strings were a bit worn. The quality of her playing has certain improved, I suspect that using worn strings have been very discouraging for her. I am so glad we changed the strings.

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  3. Doc Robotnik

    High quality strings, recommended by our daughter’s violin teacher. They work brilliantly, sounds great and last a good amount of time. Durable, reasonably priced and good for beginners or intermediates.

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  4. jon butcher

    i bought the more expensive pro-arte last time but they only lasted 2 months so i bought these for less then half the price so i was expecting them to sound a bit harsh but i cant really tell the difference, maybe a touch brighter but that might be because they’re new, so if there is a difference then it must be very subtle, maybe a professonal could tell. ill be sticking to these from now on and save money, i play bluegrass fiddle not classical violin

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  5. invisible

    Somehow I can’t imagine putting nylon or other synthetic core strings on a 130 year old fiddle. I’m not an every day player so the boxes of strings that I’d gotten back in the early 80s lasted until recently, but finally did run out. The maker had stopped making violin strings so I shopped around, found these steel cores these were about the closest thing to them in playability, very stable. Tone takes getting used to but I like it.

    D’Addario makes a whole line of good strings, so that I’ve swapped most of my guitars to them as well. For some reason given equal sizes they seem more stable than a lot of the competitors’ strings.

    Edited to add that these are perfectly good for an old German fiddle, but since I got time for daily practice I’ve found them to be inadequate for my ‘good’ fiddle. So on that one Ive swapped out to Perlon strings. Edited again to mention that even as my playing has considerably improved I find they still give more focus and power to that old fiddle.

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  6. Thomas P Griffith

    when i had to replace my string on my violin i got from here i got these. They sound great. Just be sure that you get the small piece of rubber at the end of the strings moved to the center of your bridge to help protect the strings. You have to look close to see them. Just slide them to the center of the bridge.

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  7. Katelynn Post

    This is my first set of violin strings that I purchased and I wasn’t exactly sure what to look for. I read reviews after reviews on what to look for in violin strings and these seemed to be a great buy for the price. I wasn’t proved wrong. The strings seemed very high quality and had clear markings on which string was which. Because I never knew how to string an instrument, it came in handy to know exactly which string was which. After playing a few months with these strings, it is clear that it was a great purchase! They still sound crisp and true to sound, way more than the original strings did. The package came on time and I will definitely be purchasing all of my replacement strings from here

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  8. Jono G.

    Oh my, what a difference! I had a cheap set of $3.99 strings from eBay, and the A string really bothered me, it just didn’t sound right, and I am a beginner violinist. These strings are heaven to my ears now, and I will be playing this brand until I reach virtuoso status (ok, at least until I’m good enough for even better strings). Get these, you won’t regret it (ESPECIALLY IF YOU ARE USING STOCK MENDINI/CECILIO)

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  9. Jen Danilowski

    As a beginner violinist, I had the standard strings that came with my Cecilio violin, which just never sounded authentic. After making this minor change with new strings, the sound was instantly warmer, the G more resonant and clear, and the strings stay tuned once settled, a mere 24 hours after initially re-stringing. Color coded for ease of change as well. Great value for the price!

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  10. Autumn Willow

    See below for my background, but I’m putting the important points up top: these strings have really good projection and very bright, clear tone with easy action.

    Suggested use cases: Beginners, bluegrass, folk, country, and they’ll probably sound good on an electric violin (Only have the one set, so I can’t test them on my e-fiddle!). They’ll be fine in a student or community orchestra as well. Just make sure you’re in tune. They’re extremely easy to put on provided your violin has a ball end chin rest. Most student violins, especially those with a Whitmer tailgut will be of the ball end variety.

    Bottom line: excellent value for money, very clear tone, the open strings really ‘ring’ out beautifully.

    I’ve been playing fiddle for about six or seven months now, but I’ve been a musician literally all my life. I received a used instrument that had, at the time, year old Dominant strings on it that I purchased these to replace. It’s taken me this long to actually do the deed because I was frankly uneasy about changing the strings. I had a Chinese VSO (violin-shaped object) before this that literally fell apart when I tried to take one string off, but as long as you have a good quality instrument and only change one string at a time, you’ll be fine(mine was a VSO from, like, 1995, literally made of plywood with the sound post glued in place!)

    The difference between these and Dominant strings, besides the price (Dominants retailing at about $50) is mostly in the tone coloration. These strings are very clear and bright, which some people might describe as “nasally” or “thin”. If you have a violin that’s already very muddy and dark sounding (the opposite direction from bright/clear) you’ll get a good balance from these. But even if you don’t, chances are you’ll be fine with these strings. If they do sound too shrill for you, you might be able to have your luthier make adjustments to your violin.

    If you don’t have a luthier, get a luthier. Buy them a round or two, or bake them some brownies, whatever you have to do to get into their good graces. You’ll thank me when your violin comes unglued (No, really. This is a thing that happens, and it’s an easy fix for a qualified luthier/technician)

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  11. sophia

    Bought it for my little ones she broke the G string. I changed it for her by using another brand string, however, the sound wasn’t very nice, so I chose this one to give a try. The sound is much better.

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  12. W. Dunlap

    I finally got around to replacing the strings that came with my (cheap) violin with these. And they are definitely an improvement. My playing still sucks (I’m a semi-beginner — played as a kid but am taking it up again and I’m practically starting from scratch), but I can tell the sound is better with these. Should have changed the strings to these right away, but it just felt like such a waste to throw out the original strings when they were brand-new… 🙂

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  13. Amazon Customer

    I bought these as I wanted to experiment with different strings, having had some issues with strings twice the price. Very pleased with the sound I’m getting. Be aware this will vary from instrument to instrument. I thought to try these as I had recently bought a D’Addario tuner which gave me the impression this company market quality products. At this price these string are definitely worth a try if you’re not sure where to go with ‘cheaper’ strings.

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    D’Addario Helicore Violin String Set with Wound E, 4/4 Scale, Medium Tension
    D’Addario Helicore Violin String Set with Wound E, 4/4 Scale, Medium Tension
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