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The Tone Bender MKII is a three transistor circuit [1] based on the MKI.5 version, but with an additional amplifier gain stage. Sola Sound produced the circuit for Vox (who sold their version as the "Vox Tone Bender Professional MKII"), [5] Marshall (who sold their version as the "Marshall Supa Fuzz"), [6] and Rotosound (who sold their version as the "RotoSound Fuzz Box". [7]
Hafler was instrumental in bringing affordable, high-quality audio kits to hobbyists, making his name a household word in the US audio community for many years. In the 1970s Hafler promoted "passive pseudo- quadraphonics ", an inexpensive method of recreating ambient sounds at the rear from ordinary stereophonic recordings.
An electronic kit is a package of electrical components used to build an electronic device. Generally, kits are composed of electronic components, a circuit diagram (schematic), assembly instructions, and often a printed circuit board (PCB) or another type of prototyping board. There are two types of kits. Some build a single device or system.
Mullard Circuits for Audio Amplifiers is a famous book by the Technical Services Department of Mullard Ltd, a British valve manufacturing company. First published in 1959 and then reprinted several times it contained a number of designs by Mullard engineers for high quality audio amplifiers, which were to be used by amateur constructors as well as by manufacturers as the basis for many ...
The following is a list of CMOS 4000-series digital logic integrated circuits.In 1968, the original 4000-series was introduced by RCA.Although more recent parts are considerably faster, the 4000 devices operate over a wide power supply range (3V to 18V recommended range for "B" series) and are well suited to unregulated battery powered applications and interfacing with sensitive analogue ...
A tone control circuit is an electronic circuit that consists of a network of filters which modify the signal before it is fed to speakers, headphones or recording devices by way of an amplifier. Tone controls are found on many sound systems: radios , portable music players , boomboxes , public address systems , and musical instrument amplifiers .
Capacitors used for the tone circuit are usually in the 10–50 nF range, [13] while treble bleed caps are smaller, usually 1–2 nF. [14] Type – the dielectric used in the capacitor. Polyester and polypropylene are most common, with ceramic capacitors also being popular, especially in lower-end instruments. Reissues of vintage instruments ...
Mesa-Boogie "Mark IV", a guitar combo amplifier The Mesa/Boogie Mark Series is a series of guitar amplifier made by Mesa Engineering (more commonly known as "Mesa/Boogie"). "). Originally just referred to as "Boogies", the product line took on the moniker "Mark Series" as newer revisions were put into produ