User manual MARSHALL 1959SLP

[. . . ] 1959SLP 1987X 2245 `JTM45' 1962 `Bluesbreaker' Owners Manual ! A B C ENGLISH D E WARNING!- Important safety instructions WARNING: THIS APPARATUS MUST BE EARTHED! PLEASE read this instruction manual carefully before switching on. ALWAYS use the supplied mains lead, if a replacement is required please contact your authorised Marshall Dealer. NEVER attempt to bypass the fuses or fit ones of the incorrect value. [. . . ] If you have any doubt, please get advice from a qualified person. Your Marshall dealer will help in this respect. 4. Presence Control Adds higher frequencies to the guitar tone, creating crispness and bite. Turning this up will make the sound more cutting and `present'. 11. Input Jack Connects the guitar to the lower sensitivity input on Channel 1. 5/6. Loudspeaker Outputs These are for connection to an external load, i. e. Please refer to Important Safety Instructions, page 2. 5. Bass Control Controls the amount of low frequencies or bottom end in your tone. 12. Input Jack Connects the guitar to Channel 2. 6. Middle Control Dictates the middle register of the amplifier. Turning this up will make your guitar sound fatter. Conversely reducing the amount of middle in your tone will result in a sharper and thinner guitar sound for a more `scooped' tone. 13. Input Jack Connects the guitar to the lower sensitivity input on Channel 2. 7. Output Selector Matches the amplifier's output to the load impedance. With all-valve amplifiers it is imperative that the amp is connected to a load whilst in operation and that the impedance selected on the amplifier matches the total impedance of the speaker cabinet(s) being used. For example, if the amp is running into a single 16 Ohm cab, the amp should accordingly be set to 16 Ohms. 10. If you have any doubt, please get advice from a qualified person. Your Marshall dealer will help in this respect. 2. Standby Switch The Standby Switch is used in conjunction with the Power Switch (item 1) to `warm up' the amplifier before use and to prolong the life of the output valves. When powering up the amplifier always engage the Power Switch (item 1) first. This allows the application of the voltage required to heat the valves to their correct operating temperature. After about 2 minutes, when the valves are up to the correct temperature, the Standby Switch can be engaged. [. . . ] After about 2 minutes, when the valves are up to the correct temperature, the Standby Switch can be engaged. (High Tension) which is the high voltage required by the output valves to pass signal (and hence produce sound) is applied. To prolong valve life, the Standby Switch alone should be used to turn the amplifier on and off during breaks in a performance. Also, upon full power down always disengage the Standby Switch prior to the main Power Switch (item 1). 8. [. . . ]