Hi there!!
Quick answer= 20 Amp ATC type fuse ----10 gauge wire 7ft
https://www.manualslib.com/manual/314630/Rockford-Fosgate-Punch-201s.html?page=14
The amp should have came with a manual that list it's technical specifications. You can attempt to calculate the amps yourself and it SHOULD be fine, however try your hardest to obtain the literature for the technical specifications as for this will be the absolute best solution. If you can't, don't,or won't then you can do some basic calculations. Your car battery is roughly 12-14 volts typically and often will average more than 12 volts when the car is running.
7 foot, 10 Gauge wire
with a 40-50 amp inline fuse
You really really should use the specifications provided by the company that manufactured the device. The point of a fuse is to cut power before damage can be done to the device. The manufacturer say's that at maximum use, power consumption shall not exceed "X" amount of amps and if it does the device is malfunctioning and may cause harm or undesired results(Fire, melting, excessive heat). As a safety measure the fuse will disconnect power once the device has exceeded the the ratings of the fuse.
The smaller the gauge the bigger the wire, the bigger the wire the safer it is but also more expensive, Your wire can be too small and cause all type's of issues, being too big will not hurt anything beside your wallet and available space. The point is if you went bigger than you needed it would be fine but if you used smaller wire than you need, it would surely be an issue. I know I wrote a lot but I need you to understand whats happening here so you can make the best choice now and in the future.
S201
SOURCE: Alpine pdx-1.1000
Hello Briankt69,
Ot two issues, First the AMP is going into a protection mode this means that it is drawing too much current. As netrecov said you need a capacitor, this will oppose the rapid current draw, by allowing the voltage to remain constant. However I would also sugget that you rewire the setup to manufatures specification and make sure that all grounds and supply leads are installed properly. Taking into mind the the 4awg wire has less cross sectional surface than the 2 or 0 AWG wire causing it to have more resistance this is power loss in this case (follow the specifications).
I hope this helps
Thank you,
Shuttle83
SOURCE: blown fuses
I used to have one of those amps also (nice amp btw) Did you try another fuse of the same size?
Is it blowing fuses everytime you put one in or did it just blow that one fuse ?
Is the conection on the battery solid and clean of corrosion build up? Because that is a good amp and if wired properly shouldnt blow out or anything and so if the speaker is not blown then maybe connection is weak somewhere? I would try disconnecting the speakers from it and try a new fuse and if it does not blow the new fuse than amp is ok? and if it does blow the new fuse right away then there must be a short somewhere in the wire or the amp. then disconnect the fuse again and reconnect the speakers and if the fuse blows with the speakers connected but doesnt blow with them disconnected then you know it is a blown speaker causing the problem.
Just currious but what size fuse do you have connected at the battery?
SOURCE: My sony Xplod 600w amp just stopped working and
your gronund needs to be tight under the bolt
SOURCE: 97 dodge dakoata main fuse keeps blowing 140 amp fuse
Regulator in alternator obviously faulty, have it bench tested & fixed or replace alternator, and cure your problem.
SOURCE: I'm looking for a wiring manual for a punch 150 amp
Follow this link to the downloads page for Rockford Fosgate, you can choose the correct manual there.
LINK
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