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Tone-Lok Effects are guitar effects pedals from a (now discontinued) product line, introduced by Ibanez in 1999. [1] [ when? ] In contrast with other guitar pedals, they included a "Lok" feature, engaged for each adjustment by pressing down on its corresponding potentiometer's control knob.

Ibanez is a Japanese guitar brand owned by Hoshino Gakki. Based in Nagoya, Aichi, Japan, Hoshino Gakki were one of the first Japanese musical instrument companies to gain a significant foothold in import guitar sales in the United States and Europe, as well as the first brand of guitars to mass-produce the seven-string guitar and eight-string guitar. Ibanez manufactures effects, accessories, amps, and instruments in Japan, China, Indonesia and in the United States. As of 2017 they marketed nearly 165 models of bass guitar, 130 acoustic guitars, and more than 300 electric guitars.

Potentiometer Type of resistor, usually with three terminals

A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat.




AP7 Analog Phaser [2]
AW7 Autowah
CF7 Stereo Chorus/Flanger
DE7 Stereo Delay/Echo
DS7 Distortion
FZ7 Fuzz
LF7 Lo Fi
PH7 Phaser
PM7 Phase Modulator
SH7 Seventh Heaven
SM7 Smashbox
TC7 Tri Mode Chorus
TS7 Tubescreamer
WD7 Weeping Demon
WD7JR Weeping Demon Junior


Auto-wah is a type of wah-wah effects pedal typically used with electric guitar, bass guitar, clavinet, and electric piano etc. The distinctive choppy rhythm guitar sound on many funk and disco recordings from the 1970s popularized the effect.

In music, a chorus effect occurs when individual sounds with approximately the same time, and very similar pitches converge and are perceived as one. While similar sounds coming from multiple sources can occur naturally, as in the case of a choir or string orchestra, it can also be simulated using an electronic effects unit or signal processing device.

Distortion is the alteration of the original shape of something. In communications and electronics it means the alteration of the waveform of an information-bearing signal, such as an audio signal representing sound or a video signal representing images, in an electronic device or communication channel.


PD7 Phat-Hed Bass Overdrive
SB7 Synthesizer Bass

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Effects unit electronic or digital device that alters how a musical instrument or other audio source sounds

An effects unit or effectspedal is an electronic or digital device that alters the sound of a musical instrument or other audio source. Common effects include distortion/overdrive, often used with electric guitar in electric blues and rock music; dynamic effects such as volume pedals and compressors, which affect loudness; filters such as wah-wah pedals and graphic equalizers, which modify frequency ranges; modulation effects, such as chorus, flangers and phasers; pitch effects such as pitch shifters; and time effects, such as reverb and delay, which create echoing sounds.

Boss is a manufacturer of effects pedals for electric guitar and bass guitar. It is a division of the Roland Corporation, a Japanese manufacturer that specializes in musical equipment and accessories. For many years Boss has manufactured a wide range of products related to effects processing for guitars, including "compact" and "twin" effects pedals, multi-effect pedals, electronic tuners and pedal boards. In more recent times, Boss expanded their product line by including Digital Studios, rhythm machines, samplers and other electronic music equipment.

A phaser is an electronic sound processor used to filter a signal by creating a series of peaks and troughs in the frequency spectrum. The position of the peaks and troughs of the waveform being affected is typically modulated so that they vary over time, creating a sweeping effect. For this purpose, phasers usually include a low-frequency oscillator.


Electro-Harmonix is a New York-based company that makes high-end electronic audio processors and sells rebranded vacuum tubes. The company was founded by Mike Matthews in 1968. It is best known for a series of popular guitar effects pedals introduced in the 1970s and 1990s. Unknown to most people, EH also made a line of guitars in the 70's.

Paul Waggoner musician

Paul Waggoner is the lead guitarist of American progressive metal band Between the Buried and Me. A fan of progressive music, he is heavily inspired by John Petrucci, Pat Metheny, Allan Holdsworth and Steve Vai, amongst others. He formerly played guitar in the metalcore band, Prayer for Cleansing. He played live guitar as needed for Lamb Of God between 2010 and 2014. Waggoner is vegan and straight edge. Waggoner also owns and operates Nightflyer Roastworks, as well as Queen City Grounds, a small-batch specialty grade coffee roasteriy and cafe, respectively, based in Charlotte, NC. He is married with no children.

Ibanez Tube Screamer guitar overdrive pedal

The Ibanez Tube Screamer (TS9/TS808) is a guitar overdrive pedal, made by Ibanez. The pedal has a characteristic mid-boosted tone popular with blues and rock players. The "legendary" Tube Screamer has been used by countless guitarists to create their signature sound, and is one of the most successful, widely copied, and "modded" overdrive pedals in the history of the electric guitar.

Peter Hayes (musician) American guitarist

Peter Hayes is an American musician and singer, best known as a member of the rock band Black Rebel Motorcycle Club.

MXR company

MXR was a Rochester, New York-based manufacturer of effects pedals, co-founded in 1972 by Keith Barr and Terry Sherwood and incorporated as MXR Innovations, Inc. in 1974. The MXR trademark is now owned by Jim Dunlop, which continues to produce the original effects units along with new additions to the line.

Distortion (music) form of audio signal processing giving "fuzzy" sound

Distortion and overdrive are forms of audio signal processing used to alter the sound of amplified electric musical instruments, usually by increasing their gain, producing a "fuzzy", "growling", or "gritty" tone. Distortion is most commonly used with the electric guitar, but may also be used with other electric instruments such as bass guitar, electric piano, and Hammond organ. Guitarists playing electric blues originally obtained an overdriven sound by turning up their vacuum tube-powered guitar amplifiers to high volumes, which caused the signal to distort. While overdriven tube amps are still used to obtain overdrive in the 2010s, especially in genres like blues and rockabilly, a number of other ways to produce distortion have been developed since the 1960s, such as distortion effect pedals. The growling tone of distorted electric guitar is a key part of many genres, including blues and many rock music genres, notably hard rock, punk rock, hardcore punk, acid rock, and heavy metal music.

Bass effects

Bass effects are electronic effects units that are designed for use with an electric bass and a bass amplifier, or for an upright bass and a bass amp or PA system. Bass effects are commonly available in stompbox-style pedals, which are metal or plastic boxes with a foot-operated pedal switch or button which turns the effect on and off. Most pedals also have knobs to control the tone, volume and effect level. Some bass effects are available in 19" rackmount units, which can be mounted in a road case. As well, some bass amplifiers have built-in effects, such as overdrive or chorus.

T-Rex Engineering

T-Rex ApS is a manufacturer of handmade electric guitar effects pedals.

Maxon Effects

Maxon is the name used by the Nisshin Onpa company of Japan for its line of effects pedals designed for guitar and bass. The unrelated Maxon Corporation is a major global supplier of industrial heating equipment.

TC Electronic is a Danish audio equipment company that designs and imports guitar effects, bass amplification, computer audio interfaces, audio plug-in software, live sound equalisers, studio and post production equipment, studio effect processors, and broadcast loudness processors and meters.

Roland Jazz Chorus

Roland Jazz Chorus is the name given to a series of solid-state instrument amplifiers produced by the Roland Corporation in Japan since 1975. Its name comes from its built-in analog chorus effect. The Jazz Chorus series became increasingly popular in the late 1970s and early 1980s new wave and post-punk scenes because of its clean yet powerful sound, durability and relatively low cost when compared to the more commonly used tube amplifiers of the time such as Marshall or Fender. It also found favour amongst funk players in America. It also became popular to use for clean tones in heavy metal, with the most famous users being James Hetfield and Kirk Hammett from Metallica, and Wes Borland from Limp Bizkit.

Keeley Electronics is an American manufacturer of effect units for electric guitars. The company, founded by Robert Keeley and operating from Edmond, Oklahoma, also sells modifications for effects by Boss and Ibanez.

Fuzz bass style of playing the electric bass or modifying its signal that produces a buzzy, distorted, overdriven sound

Fuzz bass, also called "bass overdrive" or "bass distortion", is a style of playing the electric bass or modifying its signal that produces a buzzy, distorted, overdriven sound, which the name implies in an onomatopoetic fashion. Overdriving a bass signal significantly changes the timbre, adds higher overtones (harmonics), increases the sustain, and, if the gain is turned up high enough, creates a "breaking up" sound characterized by a growling, buzzy tone.

Shenzhen Mooer Audio Co., Ltd. is a manufacturer of musical accessories, especially effects units, based in Shenzhen, China.

Rudi Golimo

Rudi Golimo Olsen is bassist in the Norwegian heavy metal band Tonic Breed. He is one of only two founding members left in the current line-up with Patrik Svendsen being the other one.


  1. "Ibanez Tone-Lok series".
  2. "Tone-Lok Effects".