Fuse - Mesa/Boogie Dual Rectifier Road King Amp Owner's Manual

REAR PANEL CONTROLS & FEATURES

FUSE:

This is the A.C.'s (Alternating Current) main fuse and provides protection from outside A .C. fluctuations as well as power tube failure
damage. Should the FUSE blow, replace it with the same rating in a Slo-Blo type package. The domestic U.S. version requires a 4
amp Slo-Blo fuse. A power tube short or failure is often the cause of a blown fuse...Follow the cold start procedure
mentioned in the Hi Volts switch section and watch the power tubes as you flip the Hi Volts to the ON position. If a
BOLD SPONGY
power tube is going bad or is arcing you will see it! Flip the Hi Volts switch down immediately and replace the faulty
power tube and the FUSE if necessary.
POWER FUSE
If you see nothing abnormal as you lift the Hi Volts switch, it is possible that a power tube shorted temporarily and blew
120 V~ 4 A
60 Hz SLO
4 A BLO
the FUSE. If this is the case it may work again normally. To be safe, you might want to replace just the adjacent tube or
all power tubes in the "shotgun" troubleshooting tradition and save the replaced set as spares. Spare fuses are a must
for the fabled cord bag along with your spare tubes. Always carry both for they could be worth their weight in gold
FUSE
someday.
(Continued)
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