Gear article
Pirastro Passione 3/4 Double Bass E String
The Pirastro Passione 3/4 Double Bass E string is a high-performance rope-core string designed for orchestral and solo double bassists. It combines a high-tensile steel core with chrome steel winding to deliver an articulate, complex sound profile with rapid response across all registers.

Overview
The Pirastro Passione double bass E string (Ref: 349420) is engineered to provide a bridge between the warmth of traditional gut strings and the stability and projection of modern steel. Designed specifically for 3/4 size instruments, this individual E string is characterised by its flexibility and clear resonance. It features a ball end for compatibility with standard double bass tailpieces and is wound with chrome steel to ensure durability and a smooth tactile experience for the player's left hand.
Construction and Design
At the heart of the Passione E string is a high-tensile rope core. This multi-strand steel core is designed to be more flexible than solid steel cores, allowing for a greater vibrational amplitude and a more 'organic' feel under the bow and fingers. The outer winding consists of chrome steel, a material preferred for its resistance to corrosion and its ability to produce a bright, consistent tone. This combination results in a string that is physically comfortable to play while maintaining high structural integrity under the significant tension required for the double bass.

Tonal Characteristics and Response
The sound profile of the Passione E string is described as warm yet bright, offering a complex spectrum of overtones that prevents the low E from sounding muddy or indistinct. One of the string's most notable technical features is its 'instant' response. This clarity of onset is particularly beneficial for fast passages and technical orchestral excerpts where note definition is paramount. The clear projection ensures that even in the lowest register, the bass maintains an articulate presence within an ensemble.
Suitability and Performance
This string is particularly well-suited for professional and advanced student players who require a reliable E string that can handle rapid, articulate playing. Because of its complex overtone sequence and bright projection, it serves as an excellent foundation for a balanced string set. Its chrome steel winding provides a consistent feel that is less prone to the 'whistling' sometimes associated with metallic strings, making it a dependable choice for both arco (bowed) and pizzicato (plucked) techniques.
Comparison to Alternatives
Compared to other options in the Pirastro catalogue or alternatives like the Thomastik Spirocore or D'Addario Helicore, the Passione stands out for its specific blend of 'rope core' flexibility and 'chrome steel' brightness. While strings like the Spirocore are often favoured for their legendary sustain in jazz, the Passione offers a more sophisticated overtone structure that is highly valued in classical and symphonic contexts. It occupies a premium price bracket, reflecting its specialized construction compared to standard student-grade steel strings.
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Frequently asked questions
- What is the core material of the Pirastro Passione E string?
- The string features a high-tensile rope core, which consists of multiple steel strands twisted together. This design provides greater flexibility and a more complex tonal character compared to solid steel cores.
- What size double bass is this string designed for?
- This specific model (349420) is designed for 3/4 size double basses, which is the most common size for adult players and orchestral use.
- Does this string have a ball end or a loop end?
- The Pirastro Passione E string features a ball tailpiece end, making it compatible with standard double bass tailpieces without the need for additional adapters.
- What material is used for the winding?
- The string is wound with chrome steel. This material is chosen for its brightness, tuning consistency, and smooth feel under the fingers.
- How would you describe the response of the Passione E string?
- The response is described as instant and clear. This makes it ideal for articulate playing and fast musical passages where every note needs to speak immediately.
- Is the sound of this string bright or warm?
- It offers a hybrid character described as 'warm bright.' This means it has the depth and richness of a warm string but with the clarity and projection of a bright one.
- Is this string suitable for orchestral playing?
- Yes, its clear projection and complex spectrum of overtones allow it to blend well in an orchestra while providing the necessary definition for the bass section's lowest notes.
- How does the rope core affect the feel of the string?
- The rope core makes the string feel more flexible under the fingers compared to traditional solid steel strings, which can reduce hand fatigue during long playing sessions.
- Does the chrome steel winding help with durability?
- Yes, chrome steel is highly resistant to corrosion from hand sweat and environmental humidity, which helps maintain the string's brightness and physical integrity over time.
- What is the typical price for this individual E string?
- The typical price for this individual Pirastro Passione E string is approximately GBP 86.
- Can this string be used by fast, technical players?
- Absolutely. The manufacturer specifically highlights that the instant response is ideal for fast players who require an articulate presence for every note.
- What is the model number for the 3/4 size Passione E string?
- The manufacturer's model number for this specific string is 349420.
