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Warchal Amber E Violin String 4/4 (Ball-End, Medium)
The E is the string that makes violinists change sets, and Warchal treated it as a project of its own: 701B is a solid unwound stainless steel string carrying the maker's helix design — a section coiled into a spring. The purpose is stated plainly by the manufacturer: the design "increases the longitudinal elasticity of the string. This results in a significant sound enhancement and minimizes the risk of whistling." Tension is 82.37 N in the medium gauge, quoted for the standard measuring conditions of a 326 mm vibrating length at 440 Hz. The end is a ball with normal afterlength, so it fits any tailpiece hook made for ball ends. Inside the Amber line it partners the synthetic W-Core® A, D and G, but on its own it is a classic steel E with a clear, focused attack.
🏆 SoundsGood — genuine Warchal strings only, in official packaging.
Helix Design Against the Whistle
A whistling E is physics rather than bad technique: a thin steel monofilament is very stiff lengthwise and, at an awkward bow angle, slips easily into that parasitic overtone. Warchal solves it through the geometry of the string itself — the coiled section makes it more elastic along its length and, in the maker's words, that "results in a significant sound enhancement and minimizes the risk of whistling". In playing terms you get more freedom crossing onto the first string and in chords where you used to police the bow angle.
82.37 N and What It Does Under the Bow
Warchal publishes tension in newtons only and for defined conditions: 326 mm vibrating length at 440 Hz. For the medium E that is 82.37 N — the highest tension on a violin, and the thing that holds the tone together under bow pressure in high positions instead of letting it hiss. The maker deliberately does not publish diameters: instead of a gauge in millimetres Warchal states tension, because that is what determines how the string feels under the finger and how it loads the bridge.
An E That Is Often Bought on Its Own
This string has a life of its own: players buy it single and fit it over sets from other brands when the A, D and G are fine but the E whistles or sounds harsh. The ball end and standard afterlength make the swap a two-minute job, and the medium gauge at 82.37 N does not force you to rebalance the rest. Want it stiffer — the line has the forte 701FB at 86.30 N; a loop-end fine tuner — 701L; a tailpiece with integrated fine tuners — 701B IFT, built for the shorter afterlength.
Specifications
| Type | Single E string for violin |
| Series | Warchal Amber |
| Note | E, first string |
| Size | 4/4 (full) |
| Gauge | Medium |
| Core | Stainless steel (solid metal string) |
| Winding | None — solid steel with the helix design (coiled section increasing longitudinal elasticity) |
| Tension | 82.37 N (vibrating length 326 mm, frequency 440 Hz (A1)) |
| End | Ball end, standard afterlength |
| Same E with Loop End | Art. 701L |
| Forte Version (Increased Gauge) | 86.30 N — art. 701FB ball end, 701FL loop end |
| Version for Integrated Fine Tuner Tailpieces | Art. 701B IFT (ball end, shorter afterlength accounted for) |
| Warchal Article | 701B — official name AMBER E-Ball |
| Included | 1 string in official Warchal packaging marked with the article number |
| Country of Manufacture | Slovakia (Warchal spol. s r. o., Banska Bystrica) |
What's Included
One E string in official Warchal packaging marked with article 701B. A ball-end fine tuner is not included.
Who It's For
A string for the player whose first string whistles and who wants that closed for good; for anyone assembling a set across brands and looking for a clear steel E at 82.37 N; and for the Amber user whose E wore out before the synthetic A, D and G did.
Frequently Asked Questions
What is the helix design in this string?
It is Warchal's own solution: a section of the string is coiled into a spiral, which increases its longitudinal elasticity. In the manufacturer's words the result is a significant sound enhancement and a minimized risk of whistling.
Will this E work with a set from another brand?
Yes, it is a standard 4/4 violin E with a ball end and is frequently used on its own over other makers' sets. Tension is 82.37 N in the medium gauge, so the remaining strings need no rethinking.
Is there a loop-end version?
Yes, it is the separate article 701L in the same medium gauge. Amber has no removable ball — the ball and loop E are made as different strings, so the end shape is chosen at purchase.
Is there a thicker Amber E?
Yes, the forte version with an increased gauge: 86.30 N instead of 82.37 N. The articles are 701FB with a ball end and 701FL with a loop end.
What is the diameter of this string?
Warchal does not publish diameters, for Amber or for any of its lines. Instead of a gauge in millimetres the maker gives tension in newtons at 326 mm and 440 Hz: for 701B that is 82.37 N.
Are these genuine Warchal strings?
Yes. SoundsGood supplies only genuine Warchal 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 Amber E string, ball end at SoundsGood! ⚡