Marshall Amplification EL84 20/20 manual EL34 50/50 & EL35 100/100 Front Panel Features

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EL34 50/50 & EL35 100/100 Front Panel Features

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A

 

EL34 50/50

 

 

B

 

 

 

 

 

 

 

Dual MonoBloc Amplifier

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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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.

Note! To conserve valve life, standby switch 2 should remain off for at least 1 minute after powering up the amplifier.

3/4. Mains & standby LED's.

5.Voice B LED Indicates red when channel A's voicing option B is activated.

6.Channel A voice toggle switch Selects voice option A or B, this function is repeated on a remote switching jack on the rear panel (see rear panel functions). The switch should be in the B position for the remote switch to be operative.

7.Channel A presence control Rotary control to boost the upper mid to high frequency content of sound.

8.Channel A gain control Rotary control to set and balance the incoming signal level.

9.Channel B gain control

10.Channel B presence control

11.Channel B voice switch

12.Channel B voice LED

13.Channel B standby LED

14.Channel B mains LED

15.Channel B standby switch

16.Channel B mains switch

Note! Channel A's notes also apply. 17. Front rack mount fixing holes.

Rear Panel Features

 

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Mains input socket Connects amplifier to

 

4.

Channel B H.T. fuse Please see specifications for

incoming mains supply.

 

 

 

 

correct ratings.

 

 

 

 

 

 

2.

Channel B mains fuse

Please see specifications for

5.

Channel A H.T. fuse Please see specifications for

correct ratings.

 

 

 

 

 

 

correct ratings.

 

 

 

 

 

 

3.

Channel A mains fuse

Please see specifications for

6.

Channel B loudspeaker jacks

Connects channel B

correct ratings.

 

 

 

 

 

 

to loudspeaker load - model EL34 50/50 - 50 watts RMS,

 

 

 

 

 

 

 

 

model EL34 100/100 - 100 watts RMS.

 

 

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Contents Valve Power Amps From Jim Marshall Introduction Mounting the Power Amp in a RackEL84 20/20 EL34 50/50 & EL34 100/100EL84 20/20 Rear Panel Features EL84 20/20 Front Panel FeaturesRear Panel Features EL34 50/50 & EL35 100/100 Front Panel FeaturesChannel a mains power rocker switch Mains & standby LEDsChannel a output impedance select Specification Chart

EL84 20/20 specifications

Marshall Amplification has built a legacy of producing some of the most sought-after guitar amplifiers in the market, merging classic sound with innovative technology. The Marshall EL84 20/20 stands out as a remarkable offering, aimed at musicians who crave versatility without compromising on tone.

At the heart of the EL84 20/20 are two EL84 power tubes, which deliver 20 watts per channel of rich, dynamic sound. This choice of tubes contributes to a warm and distinctive tonal character, providing that quintessential Marshall crunch favored by many rock and blues guitarists. The amp features two independent channels, allowing players to switch between a clean and overdriven sound effortlessly. Channel one offers a pristine clean tone, while channel two lets players unleash the full fury of Marshall’s legendary overdrive.

One of the notable features of the EL84 20/20 is its innovative power scaling technology. This allows guitarists to control the wattage output, enabling them to achieve optimal sound at any volume level. This feature is particularly beneficial for studio recordings and small venue performances as it allows musicians to push the amp to its sweet spot without overwhelming their surroundings.

Another highlight is the built-in reverb, adding depth and ambiance to the sound. This is particularly useful for live performances, where atmospheric effects can elevate the overall experience. Players can dial in their desired reverb level to complement their tone, making it a valuable addition to the amp's versatility.

The EL84 20/20 is designed with a user-friendly interface, featuring straightforward controls that include gain, treble, middle, bass, and reverb for each channel. This intuitive layout makes it easy for musicians to customize their sound and dial in their ideal tone quickly, whether in the studio or on stage.

In terms of connectivity, this amplifier offers a range of outputs, including speaker outputs that allow for different cabinet configurations, as well as an effects loop for integrating external effects pedals. This flexibility caters to a wide array of performance styles and playing environments.

In summary, the Marshall EL84 20/20 combines classic Marshall tone with modern technology, making it an ideal choice for any guitarist seeking a powerful yet versatile amp. Its signature features, such as the EL84 power tubes, power scaling, reverb, and intuitive controls, ensure that musicians can achieve their desired sound with ease and precision, solidifying its position as a must-have in the world of guitar amplification.