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Gibson Mandolin Family, National Music Museum, Vermillion, South Dakota.jpg
A Gibson Mandobass (center rear), displayed for size comparison.

String instruments

Plucked string instrument
Related instruments

Mandobass is the largest (and least common) member of the mandolin family, sometimes used as the bass instrument in mandolin orchestras. It is so large that it usually isn't held in the lap, but supported on a spike which rests on the floor. The neck-scale length on a full-size mando-bass is similar to that of a standard orchestral double bass viol: about 43" (110 cm).[1] The instrument is otherwise similar to the smaller, higher-pitched members of the mandolin family, having a fretted neck, a headstock with geared tuning machines, and a large resonating body often—but not always—shaped like that of other mandolins.


There are three main variants of the mandobass:

  • The large four-string mandobass has a much longer neck and is tuned EADG, like a double bass. It was popular in early 20th century American and European mandolin ensembles. Early examples had very large bodies and were often played in an upright position like a double bass is.[1] Later examples often have smaller bodies and are intended to be played guitar style.[2]
  • The small four-string mandobass is identical, but built on a smaller scale and usually tuned GDAE, two octaves below the mandolin. Though not as resonant as the larger instrument, players often preferred it as easier to handle and more portable.[3][4]
  • The eight-string mandobass, or tremolo-bass,relatively rare, is built exactly like a mandolin but is much larger and tuned either GDAE, two octaves lower than the mandolin, or CGDA, two octaves below the mandola.[5][6]


When mandolin orchestras were being organized in numbers, the members became aware of a problem of adding bass to their orchestras. In trying to play the bass range, many mandolin players were reluctant to switch to the contra-bass, because they saw it and its bowed action as intruding into their plucked-string world However they faced the problem that mandolin basses were too quiet; it was hard to get forte from them. Furthermore they didn't get the deep bass notes of the contra-bass. For those reasons most mandolin orchestras preferred to use the ordinary contra-bass, rather than a specialized mandolin family instrument. The bow not only helps with volume for forte sections of music, but the contra-bass has deeper notes available.[7]

Up until 1911 the mandolin family of instruments as known in the United States had no true bass member. Mandolins were relatively new to the United States, beginning to be known in the mid 1880s and reaching the peak of popularity before 1910. The American public was mostly unaware of the few mando-basses being made in Europe.[8] However, published minutes from the 1911 meeting of the American Guild of Banjoists, Mandolinists and Guitarists included an entry about bass mandolins developed in Britain, and indicate that issues related to the mando-bass were among the first discussed at the meeting. It was at this meeting that George D. Laurian of the Gibson Mandolin - Guitar Company announced that his department had developed a bass member for the mandolin family.[9]

Gibson Melody Maids of Kalamazoo, Michigan from a 1922 trade magazine. One of the musicians is playing a mandobass, center left.

At the Guild's next meeting in 1912, four companies displayed their versions of a mando-bass: Gibson, Leland, Vega, and Wm. C. Stahl. All four companies advertised extensively, but in contrast to its competitors, only Gibson promoted their mando-bass in photographs of musicians playing it in large groups, emphasizing the social aspects of playing their instrument. Ultimately, the two most successful instruments were those produced by Gibson and Vega.[10][11]

The Gibson instruments were designed to be played either upright or on their side (like a regular mandolin was held), through the changing of the position of the pins upon which the instrument rested. Gibson made Mandobasses from 1912 to approximately 1930, and most of the instruments which survive from this era are Gibsons.[12]

Mando-bases were produced in a variety of sizes and shapes. Gibson models were mostly just a scaled-up version of the traditional "A" style mandolin (teardrop shaped), with the exception of their limited-edition "O. Pagani" model, which more closely resembled an orchestral double bass in shape. The Pagani model was also one of the few 8-string mando-basses made in the US, with four double-strung courses like the European tremolo bass. Vega produced both a flat-back and a humped-back mando-bass (known as "cylinder back"), both with a generally mandolin-shape in outline, but with markedly pointed upper bouts. Other builders (H.F. Meyer; Prairie State; Wm. C. Stahl) produced instruments that were more guitar-, lute- or cittern-shaped.[9]

By the late 1920s the popularity of mandolin orchestras was waning, and demand for the mando-bass began to evaporate. Gibson ceased production in 1930, and by the mid-1930s most other companies had followed suit. No commercial mando-basses are known to have been manufactured after 1940, and none are currently (2015) in production. However, an occasional instrument has been privately commissioned, such as that crafted in 1992 by English luthier Robin Greenwood, for musician Hilary James.[9]

Tuning and Playing[edit]

As noted earlier, several tunings were employed for the mando-bass, depending on the style and size of the individual instrument, player's preference, and the requirements of the music to be performed. Tuning on the full-sized 4-string instrument was commonly in fourths, and identical to the orchestral double bass: E1 A1 D2 G2. This tuning was favored in both America and also quite common in Europe. Smaller, shorter-scaled instruments were more usually tuned in fifths, two octaves below the mandolin: G1, D2 A2 E3. In Europe, especially, this tuning was sometimes preferred even for the larger instrument.

The 8-string instrument appears to always have been tuned in fifths, either two octaves below the mandolin: G1 D2 A2 E3, or two octaves below the mandola: C1, G1, D2 A2. There is scant information as to how frequently this lower tuning(which places the instrument at a lower pitch than the orchestral double bass)was employed, or in what circumstances.

In playing the instrument, the left hand stops the strings against the top surface of the neck (fingerboard) to obtain different pitches, in the same method as would be used on higher-pitched instruments like the mandolin. Given the scale of the neck and the presence of frets, the left-hand "feel" of the instrument is similar to that of a modern electric bass guitar.

As with tunings, right-hand playing methods varied. Photographs of the instrument in use show some players using a traditional mandolin technique employing a plectrum (pick), while others are playing the instrument with bare fingers in a manner similar to that used for pizzicato on the double bass. Tremolo is possible with either playing method, but somewhat more exacting that on higher pitched instruments due to the thickness of the bass strings.

See also[edit]


  1. ^ a b Paul Sparks, The Classical Mandolin, Oxford University Press, pages 205–206.
  2. ^ Johnson, Joseph R.; Mandolin Clubs and Orchestras in the United States (1880-1920): Their Origin, History and Instruments; Vermillion: University of South Dakota: 1987), pp. 34, 49-51, 182.
  3. ^ Ibid.
  4. ^ Ruppa, Paul; American Mando-Bass History 101
  5. ^ Marcuse, Sibyl; Musical Instruments: A Comprehensive Dictionary; W. W. Norton & Company (1975). (see entries for mandolin, and for individual mandolin family members.)
  6. ^ Johnson, J. R.; The Mandolin Orchestra in America, Part 3: Other Instruments, American Lutherie, No. 21 (Spring) 1990, pp.45-46.
  7. ^ Op Cit. Sparks, p.199
  8. ^ Op Cit. Sparks, Chapters 2, 3.
  9. ^ a b c Op Cit. Ruppa.
  10. ^ Op Cit. Rupa.
  11. ^ The National Music Museum, NMM 2883. Mando-bass by Gibson Mandolin-Guitar Company, Kalamazoo, 1916. Style J. Serial number 25936. Arne B. Larson Collection, 1979.
  12. ^ The National Music Museum, NMM 5910. Mando-bass by Gibson Mandolin-Guitar Company, Kalamazoo, ca. 1923-1924. Style J. Serial number 76525 or 74563 (number faded). Arne B. Larson Estate, 1988.

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