The Demeter TRM-1 Tremulator is a

tremolo In music, ''tremolo'' (), or ''tremolando'' (), is a trembling effect. There are two types of tremolo. The first is a rapid reiteration: * Of a single note, particularly used on bowed string instruments, by rapidly moving the bow back and fo ...

pedal A pedal (from the Latin '' pes'' ''pedis'', "foot") is a lever designed to be operated by foot and may refer to: Computers and other equipment * Footmouse, a foot-operated computer mouse * In medical transcription, a pedal is used to control p ...

which has been manufactured by Demeter Amplification since 1982. It was apparently designed at the request of guitarist

Ry Cooder Ryland Peter "Ry" Cooder (born March 15, 1947) is an American musician, songwriter, film score composer, record producer, and writer. He is a multi-instrumentalist but is best known for his slide guitar work, his interest in traditional music, ...

, who wanted a pedal that sounded exactly like a vintage

Fender Fender may refer to: Transport * Fender (boating), a bumper used to keep boats from banging into docks or each other * Fender (vehicle) or wing, a part of a motor vehicle that frames a wheel well * Fender, a "cow catcher" on a tram, see Pilot (lo ...

tremolo unit for use with any amp.

Controls

The Tremulator has 2 knobs, which are, from left to right: *"Depth" ''(controls the amount of amplitude modulation on the signal or the amount of effect)'' *"Speed" ''(increases and decreases the frequency of the low-frequency oscillator)'' There is also a trim pot on the side to set the bias for the optical unit, and the unit comes preset at Ry Cooder's preferred settings.

Tremulator users

Notable musicians who have used the Tremulator include: *

Jonny Greenwood Jonathan Richard Guy Greenwood (born 5 November 1971) is an English musician and composer. He is the lead guitarist and keyboardist of the alternative rock band Radiohead, and has written numerous film scores. Along with his elder brother, t ...

of Radiohead (can be heard on "

Bones A bone is a rigid organ that constitutes part of the skeleton in most vertebrate animals. Bones protect the various other organs of the body, produce red and white blood cells, store minerals, provide structure and support for the body, an ...

" and "

Lucky Lucky may refer to: *An adjective of luck Lucky may also refer to: Film and television * '' Lucky: No Time for Love'', a 2005 Hindi-language romance starring Salman Khan, Sneha Ullal, and Mithun Chakraborty * ''Lucky'', a 2005 short film by Avi ...

") *

Nick Valensi Nicholas Valensi (born January 16, 1981) is an American musician and songwriter, best known for his role as lead and rhythm guitarist in the American rock band The Strokes. Since 2001, the band has released six studio albums, some of which Vale ...

The Strokes The Strokes are an American rock band from New York City. Formed in 1998, the band is composed of lead singer and songwriter Julian Casablancas, guitarists Nick Valensi and Albert Hammond Jr., bassist Nikolai Fraiture, and drummer Fabrizio ...

(can be heard on " Juicebox") *

Eddie Van Halen Edward Lodewijk Van Halen ( , ; January 26, 1955 – October 6, 2020) was an American musician and songwriter. He was the guitarist, keyboardist, backing vocalist, and primary songwriter of the rock band Van Halen, which he co-founded along ...

Van Halen Van Halen ( ) was an American rock band formed in Pasadena, California, in 1972. Credited with "restoring hard rock to the forefront of the music scene", Van Halen was known for its energetic live shows and for the virtuosity of its lead gu ...

* Eric Clapton * David Gilmour *

Lou Reed Lewis Allan Reed (March 2, 1942October 27, 2013) was an American musician, songwriter, and poet. He was the guitarist, singer, and principal songwriter for the rock band the Velvet Underground and had a solo career that spanned five decades. ...

Nels Cline Nels Courtney Cline (born January 4, 1956) is an American guitarist and composer. He has been the guitarist for the band Wilco since 2004. In the 1980s he played jazz, often in collaboration with his twin brother Alex, a percussionist. He has w ...

Sonny Landreth Clide Vernon "Sonny" Landreth (born February 1, 1951) is an American blues musician from southwest Louisiana who is especially known as a slide guitar player. He was born in Canton, Mississippi, and settled in Lafayette, Louisiana. He lives in B ...

Ben Harper Benjamin Chase Harper (born October 28, 1969) is an American singer-songwriter and multi-instrumentalist. Harper plays an eclectic mix of blues, folk, soul, reggae, and rock music and is known for his guitar-playing skills, vocals, live perf ...

Tommy Emmanuel William Thomas Emmanuel (born 31 May 1955) is an Australian guitarist. Regarded as one of the greatest acoustic guitarists of all time, he is known for his complex fingerstyle technique, energetic performances and use of percussive effects on ...

* Michael Weiss *

Scott McKenzie Scott McKenzie (born Philip Wallach Blondheim III; January 10, 1939 – August 18, 2012) was an American singer and songwriter who recorded the 1967 hit single and generational anthem "San Francisco (Be Sure to Wear Some Flowers in Your Hair)". ...

Jamie Marshall Jamie is a unisex name. It is a diminutive form of James or, more rarely, other names. It is also given as a name in its own right. People Female * Jamie Anne Allman (born 1977), American actress * Jamie Babbit (born 1970), American film and t ...

Oz Noy oz. is a common abbreviation for ounce, referring to several units of measure. Oz or OZ may also refer to: Arts and entertainment * Land of Oz, the setting for many of L. Frank Baum's novels Fictional characters and entities * Oz (''Buffy the ...

Michael Landau Michael Christopher Landau (born June 1, 1958) is an American musician, audio engineer, and record producer. He is a session musician and guitarist who has played on many albums since the early 1980s with Boz Scaggs, Minoru Niihara, Joni Mitc ...

External links

The Harmony Central page on the Tremulator

The Official Demeter Amplification Website

References

Effects units {{guitar-stub