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D String D'Addario Prelude 4/4 for Violin (medium tension)
The D is the string players judge the character of a whole set by, and in Prelude it is nickel wound over a solid steel core: article J813 4/4M, 4/4 size, medium gauge, 11.7 lb. Nickel is denser than the aluminium on the neighbouring A, so the third string comes out darker and fuller — and this is where the maker's claim for the range is easiest to hear: "Prelude strings have the warmest sound available in an affordable, solid steel core string design." The end is a ball. In the 4/4 medium set this string sits slightly tighter than the G at 11.4 lb, so the lower voices do not fall away from one another.

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Nickel Against Aluminium: Where the Warmth Comes From
A winding decides character, not volume. The aluminium A is deliberately light and transparent; the nickel-wound D is heavier, and that extra mass pushes the timbre toward a round, dark sound with no edge to it. Over a steel core that matters: it is the nickel on the D and G that takes away the metallic aftertaste cheap steel strings are disliked for. In playing you notice it most in the middle of a phrase — the D does not whistle on crossings and does not turn thin at mezzo forte.
11.7 lb: Where the D Sits in the Balance
The tensions are laid out so that crossing strings stays even: the A holds 13.1 lb, the D 11.7 lb, the G 11.4 lb. The gap between the third and fourth strings is minimal, so the bow does not have to rebalance its pressure moving from D to G, and the left hand keeps the same intonation habits. If a different resistance is wanted, the 4/4 D is also made as light (10.3 lb) and heavy (12.5 lb) — in light it matches the G, in heavy it sits below it.
A String That Survives a Change of Room
The solid steel core inside takes on no moisture, and D'Addario describes the range as "unaffected by temperature and humidity changes" with "excellent bow response". On the third string that shows up at rehearsal: moving from a warm classroom to a cold hall does not leave the D needing its own retune every half hour. The maker sums up service life as "engineered for unparalleled longevity and durability", and every string arrives in a sealed pouch with corrosion protection.
Specifications
| Application | Single violin D string |
| Series | Prelude (violin) |
| Note | D, third string |
| Size | 4/4 |
| Gauge | Medium |
| Tension | 11.7 lb |
| Core | Solid steel core of pitch-stable alloy |
| Winding | Nickel over steel core |
| End type | Ball end |
| Tension in other 4/4 gauges | Light — 10.3 lb, heavy — 12.5 lb |
| Supplied in set | J810 4/4M (54.8 lb total) |
| D'Addario Article | J813 4/4M |
| Included | 1 string in a sealed D'Addario pouch marked with the article number and protected against corrosion |
| Country of Manufacture | USA, New York ("Made in the USA at our New York production facility") |
What's Included
One D string in a sealed D'Addario pouch marked J813 4/4M. The airtight pack keeps the nickel winding clear of corrosion until it is fitted.
Who It's For
A string for the player whose third string went dull ahead of the rest of the set, for the pupil finishing the school year on an otherwise healthy set, and for the teacher who needs a quick single replacement of the D.
Frequently Asked Questions
What is the winding on this string?
Nickel over a solid steel core. In a Prelude set the D and G are nickel-wound, the A is aluminium-wound and the E has no winding at all.
Is this the D supplied in set J810 4/4M?
Yes, article J813 4/4M is the string included in the J810 4/4M set, which totals 54.8 lb, so it goes into an existing set without changing its balance.
What is its tension, and why that figure?
11.7 lb. In the 4/4 medium set it sits between the A at 13.1 lb and the G at 11.4 lb — the step between the lower strings is kept small so crossing from D to G needs no change of bow pressure.
What gauges are available for the D?
Three in 4/4: light at 10.3 lb, medium at 11.7 lb and heavy at 12.5 lb. Fractional sizes come in medium only.
Can it be fitted to a smaller violin?
No, this string is calculated for a 4/4 instrument. Smaller sizes have their own versions in the range — the J810 3/4M set, for instance, carries a D at 10.8 lb.
Are these genuine D'Addario strings?
Yes. SoundsGood supplies only genuine D'Addario product in official packaging marked with article numbers.
🚚 Shipping and Payment
🏆 SoundsGood — full warranty and service support
✅ Quality guarantee — genuine strings only
🏪 Pickup — Kyiv, free
🚚 Nova Poshta / Ukrposhta / Meest — 1–3 days
💳 Installments — PrivatBank, Monobank
🎻 Order the Prelude 4/4 D string at SoundsGood! ⚡