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Stroh is a maker using Stroviols, as a trade name for their phono instruments, which include violin, viola, cello, bass, ukulele, slide guitar, and mandolin. There are also numerous Stroviols one string phonofiddles made. These instruments are named after their designer, John Matthias Augustus Stroh, an electrical engineer in London, who patented it. On 4 May 1899, Stroh applied for a UK patent, GB9418 titled Improvements in Violins and other Stringed Instruments which was accepted on 24 March 1900. This described the use of a flat metal (other materials are also mentioned) diaphragm in the voice-box (reproducer) of a violin to mechanically amplify the sound. Then on 16 February 1901 he applied for a second UK patent, GB3393 titled Improvements in the Diaphragms of Phonographs, Musical Instruments, and anologous Sound-producing, Recording and Transmitting Contrivances. Which was accepted on 14 December 1901. This effectively extended the first concept to now use a conical resonator with corrugations at its edge, allowing a more 'rigid' diaphragm. His failure to register his inventions in the USA allowed John Dopyera and Geo Beauchamp to subsequently obtain US patents for the tricone and single cone designs used in National brand instruments. The Stroh violin is also closely related to other horned violins using a mica sheet-resonating diaphragm, known as phonofiddles. Willy Tiebel in Markneukirken Germany made Stroh violin copies in the 1920s. Only instruments made by Stroh can be called Stroviols.
There were other makers such as Howson who made brass horned phono instruments including various one stringed phono fiddles and 4 string phono ukuleles. The violinophone was made in Prague early 20th century. This instrument has a diaphragm mounted vertically in a violin body under the bridge. The sound is carried through a tube to the horn which protrudes from the violin to a long horn which wraps around the shoulder. —a violin that amplifies its sound through a metal resonator and metal horns rather than a wooden sound box as on a standard violin. The Romanian phono folk instruments are made from trumpet bells (Romanian: Vioara cu goarnă)
In the present day, many types of horn-violin exist, especially in the Balkans.
Description and background
Stroh violins are much louder than a standard wooden violin, and its directional projection of sound made it particularly useful in the early days of phonographic recording. Since regular violins recorded weakly with the old acoustic-mechanical recording method, Stroh violins were common in recording studios, but became rarer after record companies switched to the new electric microphone recording technology in the second half of the 1920s. The Stroh produces significantly more volume, and it has a surprisingly good tone, nearly comparable to that of a standard violin. On early records the violin can almost be recognized by its thin whining tone. The Stroh violin successfully replaced that limitation with a full, nearly accurate violin sound.
The Stroh violin was an expensive instrument: in 1911 it was offered by the London dealers Barnes & Mullins for nine guineas (£9.45, then equal to $37.80) or twelve guineas (£12.60 / $50.40) at a time when a reasonable factory violin could be had for two guineas. It was listed as being especially suitable for use in small theaters and music-halls. There were also mechanically amplified Stroh instruments including a cello, viola, ukulele, mandolin,and guitar. Many of the Stroh violins had a second, small, monitoring horn; as did the Stroh viola.
A number of musicians, including Tom Waits, Carla Kihlstedt, Thomas Newman, Bat for Lashes, A Hawk and a Hacksaw and Eric Gorfain continue to use the Stroh violin for its distinctive sound. Shakira featured a Stroh violin on her 2010/11 The Sun Comes Out World Tour, with multi-instrumentalist Una Palliser playing it on some songs. Pinky Weitzman plays the Stroh violin for various New York experimental ensembles, including her own project (Not Waving but Drowning), as well as Flare, LD & the New Criticism, and as part of the onstage ensemble for Stephin Merritt's My Life as a Fairy Tale. A Stroh violin is regularly played by Andy Stein of Vince Giordano's Nighthawks, a New York-based band specializing in the music of the 1920s and 1930s. They Might Be Giants used a Stroh violin in their song, I Can Hear You, recorded on a wax cylinder at the Edison Laboratory. Lindsey Stirling features a Stroh violin in her latest video "Roundtable Rival".
The Romanian horn-violin is similar to the Stroh violin. It was built through the 20th century. It has the same length as the Stroh violin, but its horn is narrower and yields a more directional sound. The structure of the instrument is based on the element of an old-fashioned gramophone. Amateurs or small workshops could easily build it and, perhaps for that reason, many variants exist in Eastern Europe.
The vibrations of the strings and bridge are transmitted by a thin rod to the membrane of the gramophone-element. The membrane transforms these vibrations into sound waves, which are amplified by the horn or beaker. The horn-violin is harder to play than a normal violin because the reaction of the bow on the strings is less flexible, and the instrument's weight is less evenly distributed. This causes an imbalance on the shoulder.
The instrument is still used in Romanian folk-music for playing horas and doinas, and mixes well with the characteristic sound of the pan-flute. It is generally used sparsely due to its tone. Instruments like the Stroh violin and other types of horn-violin remain a curiosity; they are quite rare in the orchestra.
The horn-violin is especially used in folk music of the Bihor region of Romania. Famous practitioners of this music style include fiddler Gheorghe Rada, singers Florica Bradu, Florica Ungur, Florica Duma, Leontin Ciucur, Cornel Borza, Vasile Iova, Maria Haiduc, Viorica Flintașu, and renowned folk ensembles Crișana or Rapsozii Zarandului.
- Picture of the duo on their homepage with Heather Trost holding a Stroh violin. Archived September 3, 2011, at the Wayback Machine.
|Wikimedia Commons has media related to Stroh violins.|
- Smithsonian Institution HistoryWired article about the Stroh violin (includes photos)
- Delta Violin - Article considering the context of Stroh and other related Horn Violins
- YouTube Video - Louise played on the Stroh Fiddle (Violin) by Corwin Zekley
- Video - Siperkov plays the horn-violin
- Historic Vitaphone Recording - Jazzmania Quintet, with Georgie Stoll on Stroh violin, playing I Ain't Got Nobody
- The violinophone is one of the interesting Instruments of Amazonas
- Antique Stroh violin Nr. 722 by Armin Sternberg, Budapest, approx. 1910