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!WARNING! - Important safety instructions
WARNING: THIS APPARATUS MUST BE EARTHED!
APLEASE read this instruction manual carefully before switching on.
BALWAYS use the supplied mains lead, if a replacement is required please contact your authorised Marshall Dealer.
CNEVER attempt to bypass the fuses or fit ones of the incorrect value.
DDO NOT attempt to remove the amplifier chassis, there are no user serviceable parts.
ERefer all servicing to qualified service personnel including replacement of fuses and valves. Servicing is required when the apparatus has been damaged in any way, such as when the power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally or has been dropped.
FNEVER use an amplifier in damp or wet conditions. No objects filled with liquids should be placed on the apparatus. When cleaning, only use a dry cloth.
GALWAYS unplug this apparatus during lightning storms or if unused for long periods of time.
HPROTECT the power cord from being walked on or pinched particularly at plugs, convenience receptacles and at the point where they exit from the apparatus.
IDO NOT switch the amplifier on without a loudspeaker connected.
JENSURE that any extension cabinets used are of the correct impedance.
➲EUROPE ONLY 
- Note: This equipment has been tested and found to comply with the requirements of the EMC directive (Environments E1, E2 and E3 EN
➲EUROPE ONLY - Note: The Peak Inrush current for the MF350 is 30 amps.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
◆Reorient or relocate the receiving antenna.
◆Increase the separation between the equipment and the receiver.
◆Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
◆Consult the dealer or an experienced radio/TV technician for help.
➲CAUTION: Any changes or modifications not expressly approved by the party responsible for compliance may void the users authority to operate the equipment.
➲Note: It is recommended that all audio cables used to connect the MF350, with the exception of the heavy duty speaker lead, are of a high quality screened type. These should not exceed 10 metres in length.
Always use a
➲WARNING: Do not obstruct ventilation grilles and always ensure free movement of air around the amplifier!
USA ONLY - DO NOT defeat the purpose of the polarised or grounding type plug. A polarised plug 
has two blades with one wider than the other. A grounding type plug has two blades and a third
grounding prong. The wide blade or the third prong are provided for your safety. When the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
FOLLOW ALL INSTRUCTIONS AND HEED ALL WARNINGS
KEEP THESE INSTRUCTIONS !
M O D E F O U R
Over the years a great many amplifiers have claimed to offer both classic and modern tones but, in truth, have fallen well short of the mark. While designing the MODE FOUR we quickly realised that in order to truly produce both modern and classic performances within the same amplifier, we would have to go a lot further than simply switching a few
Two in One
As a result of this simple but undeniable truth, the MODE FOUR boasts a true ‘Two Amplifiers in One’ design. AMP 1 (Classic) takes you from clean through to
Four Modes
To further add to the flexibility of the MODE FOUR’s revolutionary design, each of the two amplifier types it features, boasts two, footswitchable gain stages. AMP 1 offers CLEAN and CRUNCH modes while AMP 2 has OD1 and OD2.
AMP 1
As already mentioned, AMP 1 is effectively the ‘Classic’ side of the MODE FOUR. Whenever AMP 1 is selected, the power amplifier reconfigures to recreate the unmistakable sound and feel of our world renowned, 100 Watt Super Lead Plexi. By using this as a sonic foundation, AMP 1 has the characteristic Marshall openness and roar that have made amps like the aforementioned Plexi, the 2203 and the Silver Jubilee 2555, timeless classics.
While AMP 1’s CLEAN Mode produces incredibly dynamic,
AMP 2
In terms of sheer gain, AMP 2 takes over from where AMP 1 leaves off, with OD2 Mode offering more gain than any other Marshall before. This said, thanks to the MODE FOUR’s radical design, the player retains maximum control while searching for their ultimate
The Power to Deliver
Whenever AMP 2 is selected, the MODE FOUR’s power section reconfigures itself so it can create the deep,
Due to the unique design and the incredibly high headroom that the MODE FOUR’s 350 Watt power stage possesses, AMP 2’s impressively wide
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