Mullard is a British brand that is known for manufacturing vacuum tubes, electronic components, and other products for the consumer and industrial markets.
Founded in 1920 in the UK by Captain Stanley R. Mullard
Manufactured radio tubes, television tubes, and later on, semiconductors
Acquired by Philips in 1927, becoming a subsidiary of Philips' Valve and Cathode Ray Tube subsidiary
Continued to manufacture vacuum tubes and other components until the 1980s
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Mullard is best known for its vacuum tubes, which were used in a variety of electronic equipment such as radios and televisions.
Mullard also manufactured semiconductors, which were used in electronic devices such as calculators and other consumer electronics.
In addition to vacuum tubes and semiconductors, Mullard also produced other electronic components such as capacitors, resistors, and inductors.
Vacuum tubes, also known as thermionic valves, are electronic components that were widely used in electronic equipment before the advent of transistors and other semiconductor devices.
Vacuum tubes are larger, consume more power, and are generally less reliable than transistors, but they offer several advantages in certain applications such as audio amplification and guitar amplifiers.
Mullard is no longer in business as an independent entity. The company was acquired by Philips in the 1920s and ceased manufacturing under the Mullard name in the 1980s.
Mullard vacuum tubes are highly regarded for their quality and are sought after by audiophiles and guitarists. However, since the company ceased manufacturing vacuum tubes in the 1980s, any Mullard vacuum tubes on the market today are likely vintage or reissues manufactured by another company.
Yes, Mullard vacuum tubes are often used in guitar amplifiers and are well-regarded for their warm, rich tone. However, it's important to make sure that the tube is compatible with your amp and that it is properly biased by a qualified technician.