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Marshall JCM800

The JCM800 Series is a line of guitar amplifiers made by Marshall Amplification. The series was introduced in 1981 with the 100-watt, master volume-equipped model 2203 head and eventually grew to encompass 15 models, including 50- and 100-watt heads and combos and a bass variant. In common usage, JCM800 usually refers to model 2203, which was produced until 1990 and became a staple among hard rock and heavy metal players. It was reissued in 2002.

History
While Marshall had achieved success with amplifiers like the JTM45 and Super Lead, which had become the preferred amplifiers of numerous famous guitarists, Marshall's ability to offer reasonably-priced amps abroad was hamstrung by the company's distributor Rose-Morris adding a 55% price increase to exported models. Jim Marshall was eager to launch a new product line when his distribution deal with Rose-Morris expired in 1981, and he chose to first rebrand one of the company's existing amplifiers, the 100-watt, "Master Volume" series JMP 2203. While the internal circuitry remained the same, the JMP 2203 was given a cosmetic makeover: black vinyl replaced the grill cloth, white piping was added, the control panel stretched the width of the chassis, and the Marshall logo was enlarged. Jim Marshall was at first unsure what to call this new amp, rejecting all the initial suggestions as "dreadful," before deciding to use his car's license plate number, "JCM800." "JCM" stood for Marshall's own initials—James Charles Marshall—while "800" on the other hand was meaningless but coincided with the new decade of the 1980s. In 1990, the JCM800 series was discontinued in favor of the JCM900 series, which Marshall had designed to offer more gain in response to many JCM800 owners having their amps modded when brought in for other repairs. Compared to JCM800s, JCM900s were brighter and had less low end and midrange "growl". ==Description==
Description
The JCM800 series were the second series of Marshalls equipped with a master volume, which allowed for more distortion at lower volumes. Compared to the earlier "Master Volume" series, they offered some advantages, including the possibility to be patched internally and linked with other amplifiers. The first JCM800s were in fact Master Volume amplifiers (Models 2203 and 2204, at 100 and 50 watts respectively), repackaged in new boxes with new panels. Soon, however, the Model 2205 and 2210 appeared on the market. These were equipped with two channels, which could be activated via a footswitch, allowing for separate lead and rhythm sounds. They also had an effects loop and reverb, also a first for Marshall. ==Photo gallery==
Photo gallery
File:Marshall_JCM_800_model_2205_on_Bench_for_bias_adjustment_(2009-05-21_04.40.54_by_Roadside_Guitars).jpg|JCM 800 2205 front panel. File:Marshall_JCM_800_model_2205_back._Missing_rear_screen_(2009-05-21_04.41.48_by_Roadside_Guitars).jpg|JCM 800 2205 rear panel. == See also ==
Source: Wikipedia ↗
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