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Warchal Amber A Violin String 4/4 (Medium)
The A carries most of the melodic work under the left hand, and in the Amber line Warchal gave it the lightest of the winding metals — Hydronalium, an aluminium-magnesium alloy. Underneath sits W-Core®, Warchal's in-house synthetic core, and with it the line's stated aim: to replicate the tonal qualities of the best gut strings while keeping excellent tuning stability. The manufacturer quotes 54.25 N at a vibrating length of 326 mm and 440 Hz; there is one gauge, medium, and the end is a ball. Warchal describes the line's sound as rich and warm, "with beautiful texture", and on the A that reads most clearly of all: a warm but unclouded middle register with living grain.
🏆 SoundsGood — genuine Warchal strings only, in official packaging.
Hydronalium: A Light Metal Means a Transparent Middle
The winding decides how much mass hangs on the core, and mass is what thickens the tone. Hydronalium is a light aluminium-magnesium alloy, so the A picks up very little extra weight: the middle register stays transparent and legible, and the note opens immediately instead of after half a second of thought. It is the same logic that puts the opposite metal on the lower pair here — dense pure silver: light metal on top, heavy metal below.
W-Core® Under the Winding
The Amber core is Warchal's own material, described by the maker as a revolutionary development of its R&D team and with its composition undisclosed. The practical payoff is twofold: a warm, gut-flavoured middle register and, at the same time, predictable tuning — this A does not wander after the hall temperature changes the way real gut does. On the string your fingers touch most and where vibrato lives, stability matters as much as timbre.
54.25 N and Where the A Sits in the Line's Balance
Warchal publishes tension in newtons only, for a 326 mm vibrating length at 440 Hz: on the A that is 54.25 N — second after the steel E at 82.37 N and clearly above the D at 43.25 N and the G at 43.05 N. That spacing keeps the crossing from E to A even in feel, with no drop in resistance under the finger. And if you are fitting 702 over another brand's strings rather than into an Amber set, this figure is what tells you whether it will sit with your D and G.
Specifications
| Type | Single A string for violin |
| Series | Warchal Amber |
| Note | A, second string |
| Size | 4/4 (full) |
| Gauge | Medium — the only A gauge in the line |
| Core | W-Core® (synthetic, developed in-house by Warchal) |
| Winding | Hydronalium (light aluminium-magnesium alloy) |
| Tension | 54.25 N |
| Tension Measurement Conditions | Vibrating length 326 mm, frequency 440 Hz (A1) |
| End | Ball end — the line has no loop-end A |
| Neighbouring Single Strings of the Line | D — art. 703, 43.25 N; G — art. 704, 43.05 N |
| Sets of the Line | Art. 700B with ball-end E or 700L with loop-end E, 222.92 N total |
| Warchal Article | 702 — official name AMBER A |
| 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 A string in official Warchal packaging marked with article 702, ball end.
Who It's For
A string for the player whose A gave out ahead of the rest of the set; for anyone building a mixed set who wants a warm synthetic A with a light winding at 54.25 N; and for the player who would rather test the Amber character on a single string before committing to the full set.
Frequently Asked Questions
What is Hydronalium in the winding?
It is a light aluminium alloy with magnesium, used by Warchal to wind the A in the Amber line. A light winding adds minimal mass to the core, so the middle register sounds transparent rather than thick.
What core does this string have?
W-Core®, a synthetic material developed in-house by Warchal. The maker does not disclose its chemistry, stating only that it is a new development of its research team; the D 703 and G 704 are built on the same core.
What is the tension and in which units does the maker state it?
54.25 N. Warchal publishes tension in newtons only and always for the same conditions — a vibrating length of 326 mm at 440 Hz (A1); there are no official values in pounds or kiloponds.
Is there a loop-end Amber A?
No. In the Amber line the loop exists for the E only, while the A, D and G are always made with a ball end.
Which strings go with 702?
Within the line, the D 703 (43.25 N) and G 704 (43.05 N) with pure silver windings, plus the steel E — 701B with a ball end or 701L with a loop. As a ready-made set that is 700B or 700L, 222.92 N in total.
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
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🏪 Pickup — Kyiv, free
🚚 Nova Poshta / Ukrposhta / Meest — 1–3 days
💳 Installments — PrivatBank, Monobank
🎻 Order the Amber A string at SoundsGood! ⚡