Gear article
Pirastro Obligato Violin E String Gold-Steel
The Pirastro 313121 Obligato is a premium gold-steel violin E string designed for full-size instruments. It is engineered to provide a warm, complex tonal character while maintaining the direct response of an unwound steel core.

Overview
The Pirastro Obligato Violin E String (model 313121) is a standalone component of the widely regarded Obligato series. Known for balancing traditional warmth with modern manufacturing precision, this specific E string utilizes a gold-steel construction. Unlike lower-register strings that may feature winding, this E string is unwound, ensuring a slim diameter and a highly focused acoustic output.
Construction and Key Features
The primary feature of the Obligato E is its gold-steel core. This material choice is intended to mitigate the harsh, metallic brightness sometimes associated with standard chrome steel E strings. The string is designed with a ball tailpiece end, making it compatible with standard fine tuners found on modern tailpieces. It is specifically gauged for full-size (4/4) violins, offering a tension profile that facilitates easy playability across the fingerboard.

Sound Character
The sound profile of the Obligato Gold-Steel E is described as classic and complex. By utilizing gold-steel, Pirastro has aimed to provide depth and warmth that complements the richer textures of the synthetic-core A, D, and G strings in the Obligato set. Because it is unwound, the sound remains direct and clear, avoiding the potential dullness of a wound string while retaining a sophisticated tonal palette.
Target Audience
This string is suited for advanced students and professional musicians who require a sophisticated, multi-layered sound. It is particularly beneficial for players who find standard steel E strings too piercing or thin. The combination of easy playability and tonal depth makes it a preferred choice for orchestral and chamber musicians seeking a reliable, high-quality E string that does not sacrifice warmth for brilliance.
Comparative Analysis
Within the Pirastro catalogue and the wider market, the Obligato Gold-Steel E sits as a warmer alternative to standard steel strings. While products like the Larsen Gold Plated E offer similar premium plating, the Obligato focus is on tonal complexity and a direct, unwound feel. Compared to budget-oriented strings like the D'Addario Helicore or specialty guitar strings like the Ernie Ball M-Steel, the Obligato is a dedicated orchestral string engineered for specific harmonic resonances required in classical violin performance.
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Frequently asked questions
- What material is the Pirastro Obligato E string made of?
- The string is made from gold-steel. This specific alloy is chosen to provide a warmer and deeper tone compared to standard chrome steel strings.
- Is this string wound or unwound?
- This is an unwound string. This design keeps the diameter thin and allows for a more direct and clear sound production.
- What size violin is this string designed for?
- It is designed specifically for full-size (4/4) violins. It is not intended for fractional-sized instruments such as 3/4 or 1/2 size violins.
- Does this string have a ball or loop end?
- This specific model features a ball end. This makes it compatible with most standard tailpieces and fine tuners that require a ball-end attachment.
- What is the primary tonal characteristic of the Obligato Gold-Steel E?
- The primary characteristic is warmth and depth. It provides a complex sound that avoids the harsh brilliance often found in cheaper steel E strings.
- Is the Obligato E string easy to play?
- Yes, it is designed for easy playability. The construction allows for a responsive feel under the fingers, making it suitable for demanding repertoire.
- What is the manufacturer part number for this string?
- The manufacturer part number for this specific gold-steel ball-end E string is 313121.
- How does the gold-steel core affect the diameter of the string?
- Because the string is unwound, the diameter remains very thin. This contributes to the directness of the sound and a comfortable feel for the left hand.
- What is the typical price for this single string?
- The typical price for this Pirastro Obligato E string is approximately £16.00. Prices may vary slightly depending on the retailer.
- Can I use this string with other brands of A, D, and G strings?
- Yes, many violinists mix and match strings. While it is designed to complement the Obligato set, its warm character can help balance brighter sets from other brands.
- Does the gold-steel construction prevent whistling?
- Gold-steel strings are often favored by players to reduce the 'whistling' E-string phenomenon. However, results can vary based on individual technique and instrument setup.
- Who is the manufacturer of this string?
- The string is manufactured by Pirastro, a German company known for producing high-quality musical instrument strings for centuries.
