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In 1967, Marshall released a 50-watt version of the 100-watt Superlead known as the 1987 Model. In 1969, the plexiglass panel was replaced by a brushed metal front panel. Other early customers included Pete Townshend and John Entwistle of The Who, whose search for extra volume led Marshall to design the classic 100-watt valve amplifier. [18]
The 1959 (Marshall's identifying numbers are not years of manufacture), produced from 1965 to 1976 (when it was replaced by the 2203 "Master Volume"), [1] is an amplifier in Marshall's "Standard" series. [2] It was designed by Ken Bran and Dudley Craven after The Who's guitarist Pete Townshend asked Marshall for a 100 watt amplifier. [3]
Audio power is the electrical power transferred from an audio amplifier to a loudspeaker, measured in watts.The electrical power delivered to the loudspeaker, together with its efficiency, determines the sound power generated (with the rest of the electrical power being converted to heat).
The human ear perceives a 5-watt amplifier as half as loud as a 50-watt amplifier (a tenfold increase in power), and a half-watt amplifier is a quarter as loud as a 50-watt amp. Doubling the output power of an amplifier results in a just noticeable increase in volume, so a 100-watt amplifier is only just noticeably louder than a 50-watt amplifier.
The Apple LED Cinema Display and Thunderbolt Display include built-in MagSafe chargers. [11] The MacBook and the 13-inch MacBook Pro use a 60 W MagSafe charger, whereas the 15- and 17-inch MacBook Pro use an 85 W version. The MacBook Air used a lower-powered 45 W version.
Blackstar 3 HT CLUB 40. Launched in 2010 at the Winter NAMM Show, Blackstar introduced a new line of HT amplifiers. This line is essentially the same as the HT-5 series, but with more power. The models contain 20, 40, 50, 60, and 100 watt amplifiers. All models except the 50W and 100W are available in combo form.