The Stroh violin or Stroviol is a type of stringed musical instrument that is mechanically amplified by a metal resonator and horn attached to its body. [1] The name Stroviol refers to a violin , but other instruments have been modified with the amplification device, including the viola , cello , double bass , ukulele , mandolin , and guitar .

The Stroh violin, or Strohviol, as it is also known, was invented and patented in 1899. It revolutionized the classical violin and the early music recording industry.

Stroh invented many acoustical devices, and the concept of this patent originated from work on the mechanical sound-box of the gramophone. This violin is made of a solid cylindrical body built of two pieces of half-round mahogany, an aluminum shoulder rest, diaphragm and horn, traditional violin neck, pegbox, and scroll of maple, and a dark red ...

Sep 28, 2018 · Variously called horn violins, phono fiddles and trumpet violins, they are most commonly known as ‘Stroh violins’ after Johannes Matthias Augustus Stroh, who patented the first such contraption in the UK in 1899.

Apr 5, 2015 · Stroh simply worked the recording process in reverse i.e. what a recording does to the stylus in playback mode, and a new violin sound was born. Observe the immediate parallels that exist between a Stroh and Stradivarius violin by their mechanism.

Georgiana Radulescu from Raven's Heart band made a detailed description of the Stroh Violin made by the Hora factory Romania. The Stroh violin was patented i...

This violin is made of a solid cylindrical body built of two pieces of half-round mahogany, an aluminum shoulder rest, diaphragm and horn, traditional violin neck, pegbox, and scroll of maple, and a dark red-brown varnish.

Stroh Violin. This curious instrument is a Stroh violin, also known as a Strohviol. It was invented by John Mathias Stroh as a violin for use in recording. The acoustical recording process used in the first quarter of the 20th century favored louder instruments that projected well.

Considered an experimental violin, invented in the late 1800s by London-based John Matthias Augustus Stroh, the Stroh violin’s unique construction gave it a sharper, more focused tone suited for cutting through the ambient noise inherent to early 20th century performance venues – a time when raucous dance halls and vaudeville shows were the ...

This strange-looking instrument, which Stroh developed between 1899 and 1901, was specifically designed so that the phonograph, the recording technology of the day, would be able to pick up the sound of the violin. Stroh’s violin does not have a traditional wooden body.