Instruction/ maintenance manual of the product EL84 20/20 Marshall Amplification
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VA L VE POWER AMPS EL84 20/20 EL34 50/50 EL34 100/100.
ENGLISH From Jim Marshall I would like to thank you personally for selecting one of our stereo valve power amplifiers. Since 1962 the valve has played an incredibly important part in the development of the Marshall Sound and we have been dedicated to the design and manufacture of the world’s finest valve powered amplification.
ENGLISH Introduction Models EL84 20/20, EL34 50/50 and EL34 100/100 stereo valve power amplifiers are the latest step forward in valve rack technology from Marshall. Built as dedicated guitar system based units, they incorporate many features that are both revolutionary and evolutionary.
1. Mains Input Connects the amplifier to the mains power supply. Left Outputs 2. 16 Ohm Jack Speaker jack for 16 Ohm speaker cabinet for left side of power amp. 3. 8 Ohm Jack Speaker jack for 8 Ohm speaker cabinet for left side of power amp. 4. Line Attenuated version of speaker signal giving whole tone of power stage.
ENGLISH 1. Channel A mains power rocker switch Connects channel A to incoming mains supply. LED 3 indicates red when activated. 2. Channel A standby switch Connects channel A's high voltage circuit to the power supply. LED 4 indicates green when activated.
7. Channel B output impedance select 16 Ohm or 8 Ohm - it is important that your amplifier and loudspeaker load are correctly matched. Note! If 4 Ohm output is desired please consult your authorised Marshall agent. 8. Channel A output impedance select (See 7 for notes).
An important point after buying a device Marshall Amplification EL84 20/20 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Marshall Amplification EL84 20/20 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Marshall Amplification EL84 20/20 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Marshall Amplification EL84 20/20 you will learn all the available features of the product, as well as information on its operation. The information that you get Marshall Amplification EL84 20/20 will certainly help you make a decision on the purchase.
If you already are a holder of Marshall Amplification EL84 20/20, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Marshall Amplification EL84 20/20.
However, one of the most important roles played by the user manual is to help in solving problems with Marshall Amplification EL84 20/20. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Marshall Amplification EL84 20/20 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
