Hayden MoFo Serie Mode D'emploi page 2

The Hayden MoFo Range
GENERAL NOTES
Valve amplifiers require care and attention to get best results and reliable operation, follow these simple
rules and you should get years of faithfull service.
• Take care when setting the amplifier up, especially the routing of the signal leads
(ie instrument FX leads etc) try to keep these away from the speaker to avoid unwanted noise
• At high gain and volume levels you will need to stand further away from the amplifier to avoid
unwanted noise and feed back
• With single coil type picks hum can be a problem, either from being stood to close to the
amplifier or from the room itself, typical sources of hum are power supplies, computers, low
voltage halogen and fluorescent lighting, energy saving bulbs etc.
• Crackling noise can result from central heating and refrigerators, worth remembering if you get
annoying pops etc. when you are trying to record at home.
• Moblie phones can cause some interesting noises and interference especially if placed on top
of the amplifier or in your pocket.
BE SAFE:
• Keep the amplifier dry and don't stand drinks or other containers of liquids on it.
• Store the amplifier somewhere dry, away from condensation etc.
• When using the amplifier don't cover the ventilation holes or use it next to a radiator etc.
• Always use good quality leads for connecting the instrument and speaker to the amplifier.
• Check the mains cables from time to time replace if damaged in any way.
• Have the amplifier serviced at least once a year especially if you gig on a regular basis, Valves are fragile
and usually fail due to rough handling and vibration, combos use more valves than heads as a rule due
to the valves being in the same cabinet as the speaker. Many crackling noises are a direct result of a
failing valve.
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Hayden 2011.
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