
1) Guitar amplifier manufacturer
Found on
https://www.crosswordclues.com/clue/electromuse

Electromuse was an American maker of musical instruments that operated in the 1940s and 1950s. It was probably best known for its line of Hawaiian lap steel guitars. Electromuse also made Spanish acoustic guitars, hollowbody acoustic-electric guitars, and other stringed instruments. Vacuum tube instrument amplifiers manufactured by subcontractors ...
Found on
http://en.wikipedia.org/wiki/Electromuse
No exact match found.