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Does fuse size matter?
It also can cause problems with the amplifier as the AC power is continually going on and off. I recommend replacing the fuse with the proper size and then seeing what happens. The fuse doesn’t power the unit nor does it protect the unit in most cases.
What happens if you put a higher amp fuse in?
Not only will using a fuse with more amps not solve the problem, it is likely to cause a whole host of other, more significant problems. Fuses are present to protect the components of the electrical system. Rather than destroying the circuit when there is a surge of power, the fuse blows to protect it.
What happens if a fuse is too small?
If the rating of the fuse is too low then it will frequently blow out even for a current value which is actually safer for the circuit. Such a fuse remains the circuit close and allows the current to flow beyond the limit permitted to the wiring or other components.
What size fuse should I use?
100 Watts divided by 240 Volts equals 0.42 amps +10% which equals 0.46 Amps. So from this calculation the ideal fuse would be 1 amp. However most manufacturers put a 3 amp fuse in the plug as standard.
Can I use a 15 amp fuse instead of a 10 amp fuse?
good rule of thumb is: it’s alright to use a lower rated fuse in place of a higher rated one, but not vice versa. Not sure why it’d be blowing a 10 and not a 15.. there isn’t much of a difference…
What’s the correct amperage fuse for my PC?
It maybe the case that the cable can take upto a rating of 13amps, but ideally you should use a fuse that is slightly higher than the power used (in your case 4A) as some manufacturuers will install 5A or 10A as a standard. Manufacturers will sometimes install an internal fuse for electronic equipment for the purpose of protecting it seperately.
When to use a higher or lower fuse rating?
When a fuse is applied in an ambient temperature exceeding the standard 23°C, the fuse current rating should be derated (a higher amp rating with higher temperatures). Conversely, operating at an ambient temperature lower than the 23°C standard allows using a lower fuse amp rating.
Do you always have spare fuses in your amp?
If you operate a tube amplifier, the golden rule is to always have spare tubes AND FUSES in your gig bag. Especially important – all of your spare fuses should be pre-inspected to be the correct value fuse your amp requires.
What happens when you power up an amp?
When first powering up an amp, the current draw of tubes and the voltage to the amp spikes as the power switch is lifted. This voltage spike will briefly exceed the value of the fuse and then settle below the fuses rating into a normal operating range.