Gamut Music. Inc.

Red Diamond Bass Strings

Over the last thirty years Gamut Music has been very successful in bringing quality gut strings to contrabass players all over the world playing all kinds of music, making high quality gut strings available in many gauges for the needs for diverse musical styles.

Red Diamond strings are designed for modern performance practice at a=440.

April, 2025 – Gamut Music is pleased to announce an update to our Red Diamond line of strings, now featuring protective varnished gut for the g-1 and d-2. Nylon winding for these strings has been discontinued. 

Our Red Diamond line of gut bass strings are designed to satisfy the needs of active, professional bass players who need that real gut sound for jazz, bluegrass, blues, rockabilly, and other musical forms that require a strong bottom end to the sound and the stylistic stage presence of an upright bass. Red Diamond strings are the solution for worry-free durability whatever the conditions of the performance situation.

The Red Diamond g-1 and d-2 strings are made of the finest beef serosa (gut), twisted in our famous Lyon-style, and varnished to protect the strings from adverse environmental conditions and provide durability, even in wet and warm conditions.

The A-3 and E-4 strings have high twist gut cores for flexibility and long sustain, seasoned carefully and then wound with copper wire for a rich, low register. Red Diamond string gauges are based on the popular Medium gauge from our Academie line of bass strings.

Red Diamond strings are the solution for worry-free durability whatever the conditions of the performance situation. Full-bodied timbre and sustain power, perfect in tone. We are confident that you will find these strings affordable, reliable, and durable.

Gamut Music warranties all strings for a period of 30 days from the date of shipping. Red Diamond gut/metal-wound A-3 and E-4 strings are warrantied for a period of six months from the date of shipping.

Available as a discounted set, g/d and A/E combinations, and individually.

Red Diamond strings are based on the popular Medium gauge from our famous Academie line of bass strings with the following specifications:

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Hand-made in the USA by Gamut Music, Inc., a leader in the revival of early music strings and instruments. Gut strings are not intended to be used with fine tuners or string adjusters, and those devices should be removed before installing the gut string on the instrument.

All Gamut Academie strings (pure gut and gut/metal-wound) are made with beef serosa unless they specifically say "Sheep Gut." All pure gut Tricolore violin and viola strings are made with sheep gut; gut/metal-wound Tricolore and all Red Diamond strings are made with beef serosa.

Gamut gut string gauges are approximate (≈) diameter. Meaning, that while a ≈0.60mm string is polished in the workshop to a diameter of 0.60mm, changes in ambient humidity, temperature, shipping, and storage conditions can cause to string to expand or contract slightly.

Gimped gut strings and custom gauged equal tension strings are gauged with the equivalent-gauge (=) system. This means that the gauge listed, such as =1.50mm, indicates that the string is approximately equal in weight to a plain gut string of that diameter. Of course, because the wire is much heavier than gut, the string will be much thinner than a plain gut string.

More information about Gamut gut strings, string types, gauges, and string tensions can be found on our FAQ/Articles page. Not finding an answer to your question? Please contact us.