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Based on price data from 5 merchants for "Rotosound RS77LD Monel Flatwound Bass Strings (45-105)". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Immerse yourself in the world of vintage tones with the Rotosound RS77LD Monel Flatwound Bass Strings (45-105). These strings have been meticulously crafted for over half a century, using the highest quality materials and a highly secretive manufacturing process. This commitment to quality results in a set of strings that not only sound fantastic but also last for years, keeping your bass sounding its best gig after gig.
At the heart of these strings is the Monel 400 alloy tape, which is wound on a hex core. This alloy contains five times more nickel than stainless steel, producing a warm, punchy tone with incredible sustain and clarity. The flatwound construction adds to this by providing a smooth feel and thumpy tone that is ideal for everything from jazz to rock.
The standard 45-105 gauge of these strings makes them a great choice for bassists transitioning from roundwound strings. The lighter gauge on the E and A strings ensures a comfortable feel, while the heavier D and G strings provide a solid fundamental. This balanced set is versatile enough to suit most playing styles and music genres.
Each set of strings also comes with a recycled nylon gig bag for easy transportation and storage. This environmentally-friendly bag is designed to keep your strings safe from damage, ensuring they stay in top condition for longer.
Key Features:
- Handcrafted with Monel 400 alloy tape for a warm, punchy tone
- Flatwound construction for a smooth feel and thumpy tone
- Standard 45-105 gauge, ideal for bassists transitioning from roundwound strings
- Comes with a recycled nylon gig bag for easy transportation and storage
- Highly secretive manufacturing process for unparalleled sound quality and longevity
- Versatile enough to suit most playing styles and music genres
Product specs
| Guitar Type | Electric Bass |
| Number of Sets | 1 |
| Coated | No |
| Gauges | .045, .065, .085, .105 |
| Winding Type | Flat Wound |
| Core Material | Steel |
| Winding Material | Monel (65% Pure Nickel) on Stainless Steel |
| Scale Length | Long, 32"-34" |
FAQs
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What are the tonal characteristics of Rotosound RS77LD Monel Flatwound Bass Strings?
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Rotosound RS77LD strings are known for their warm and mellow tone, making them ideal for jazz and vintage rock styles. The Monel flatwound design reduces finger noise and provides a smooth playing experience.
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Are Rotosound RS77LD strings suitable for long-scale bass guitars?
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Yes, the Rotosound RS77LD strings are designed for long-scale bass guitars, accommodating scale lengths between 32" and 34".
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How do Rotosound RS77LD strings compare to roundwound strings?
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Rotosound RS77LD flatwound strings offer a smoother feel and less finger noise compared to roundwound strings. They provide a warmer, more subdued tone, which is ideal for jazz and recording purposes.
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What is the gauge range for Rotosound RS77LD bass strings?
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The Rotosound RS77LD bass strings have a gauge range of .045, .065, .085, and .105, providing a balanced tension for standard tuning.
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What material is used in the winding of Rotosound RS77LD strings?
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Rotosound RS77LD strings feature a Monel winding, which is 65% pure nickel on a stainless steel core, offering durability and a distinct tonal character.
Videos
Juan Modesto
Moollon P-Classic - Rotosound Flatwound RS77LD #moollonpclassic #rotosound #pbass
Reviews
PROS
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Offers incredible tone with deep, warm sustain
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Reduces finger noise significantly compared to roundwounds
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Smooth feel and easier on frets, prolonging fret life
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Delivers classic British 60s/70s rock sound
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Maintains rich overtones and warm sound for recording
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Excellent for slapping, with crisp, vibrant tones
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Suitable for long practice sessions without finger fatigue
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Provides a well-defined, deep growly bottom end
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Durable with long-lasting tone retention
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Ideal for achieving the Roger Waters tone
CONS
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High tension may be fatiguing for some players
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Break-in period longer and uneven across strings
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Brightness not suited for those seeking a modern sound
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Slightly rougher feel compared to other flatwounds
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Higher price point compared to some alternatives
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Rotosound RS77LD Monel Flatwound Bass Strings (45-105).
Features and functionality
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Rotosound RS77LD strings have UK flag-themed ball ends colored red, white, and blue, indicating their unique identification feature.
Source
Setup and maintenance
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RS77LD strings are high tension, so a truss rod adjustment might be needed if replacing standard roundwounds.
Source
Comparisons
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Rotosound 77 strings are relatively high tension, akin to roundwounds of similar gauges, offering a deep sound compared to D'Addario strings.
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User experience
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Owners note that Rotosound 77 strings can be reused over time, and they develop a more mature tone after the initial brightness fades.
Source
4.5 out of 5
Based on 6 Reviews and 19 Ratings
283
Great flats!
My string of choice for my Precision bass and Cort fretless. They get me that Roger Waters tone I need and last forever. The only downside is they're a bit high on tension for my Jazz bass. I use the softer D'Addario Chromes for that, but for some reason the Chromes feel like they're about to fall off the Precision. The Rotosounds on the other hand are nice and tight.
3670
356
Rotosound RS77 LD
Deep, low growly bottom end and very well defined. Certainly not very bright. If you're looking for bright, you probably wouldn't be looking at flatwounds.
437
It depends on you taste
These strings have an incredible warm sound and still pack a bit of punch. Poorly enough I still prefer roundwounds on my fretless because they play much easier and they even on fretless have a much brighter sound.
Artist usage
Add artist
Glen Matlock has been confirmed to use Rotosound RS77LD Monel Flatwound Bass Strings (45-105), as stated on the Rotosound website. These strings were utilized during the recording of "Never Mind the Bollocks," prior to Sid Vicious joining the band, and can also be distinctly heard on the demo album "Spunk," which Matlock played on.
At 2:09 in the video "The Small Faces - Song Of A Baker - 'Colour Me Pop' (1968)" by vinylsolution, Ronnie Lane can be seen using Rotosound RS77LD Monel Flatwound Bass Strings (45-105).
Kinga Głyk uses Rotosound RS77LD Monel Flatwound Bass Strings (45-105) on her Greco EB-3 copy, as evident from pictures and videos where the bass displays the distinctive red silk ends characteristic of Rotosound strings. The absence of string noise and the shininess of the strings further confirm they are flatwound. Additionally, Kinga is a longtime endorser of Rotosound, reinforcing this usage.
Thank u @rotosound_uk for my jazz bass flat wounds 45-105 my 78 @fender jazz is all ready for my debut #bassguitar gig for #donovan tour(not Jason! Lol). #fenderbassman back line. Sort out the acoustic #bass next!
Bassist Danny Sapko confirms his use of Rotosound RS77LD Monel Flatwound Bass Strings (45-105) in a YouTube video titled "How to get Phil Lynott's bass tone in 30 seconds!" where he mentions using the same flatwounds as Phil Lynott.
Dee Murray, known for his work with Elton John, is among the esteemed bassists who have used Rotosound RS77LD Monel Flatwound Bass Strings (45-105). According to MusicRadar, these strings are favored for their unique flatwound feel paired with a brighter tone than typical flatwounds. This tonal quality is evident in Murray's performances, such as the Elton John concert at the Hammersmith Odeon on December 24, 1974, where his bass stands out with a distinct, bright character. Rotosound was a popular choice for bassists in the 1970s, further highlighting its appeal to players like Murray.
Album Usage
The Rotosound RS77LD Monel Flatwound Bass Strings (45-105) has been featured on the following albums:
Kill 'Em All (Remastered)
Metallica (1983)
Seventeen Seconds
The Cure (1980)
London Calling (Remastered)
The Clash (1979)
Never Mind The Bollocks, Here's The Sex Pistols
Sex Pistols (1977)
Spunk (Bonus Track Edition)
Sex Pistols (1977)
The Dark Side of the Moon
Pink Floyd (1973)
Queen
Queen (1973)
Let It Be (Remastered)
The Beatles (1970)
Abbey Road (Remastered)
The Beatles (1969)
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Rotosound RS77LD Monel Flatwound Bass Strings (45-105), it is most commonly used with the following gear.
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