why does my amplifier keeps cutting out
scene: PP: your RS6's have a sensitivity of 91dB, the Aviano 6's sensitivity is 88dB. P Now I know dB is a logarithmic scale, but is 3dB difference in sensitivity that huge? Might just want to check your speaker cable (what are you using and how long are the runs? ) and clean/re-trim the ends if you're not using plugs. yea i did realise that it would take a good amp to power them of the sensitivity, erm i cant find a name on the cable but its cambridge audioPdirectional bi-wire silver couted speaker cable with cambridge audio bananaPplug but the didnt fit the amp shide so ive straight wired them in. while im on the subject i was abit shocked to find the banna plug didnt fit on my 10. but my old man said that he had them on his 9. so little confused there. but i belive you can get ones special for arcam am i right? whihc are like 2 mill large on the end in diametre or something like that.
They are usually fused for excessive curent draw (there should be a fuse at the battery to protect the wire and most amps have fuses on the chassis to protect the amp itself) but I don't know every situation that causes the protection circuit to engage.
The most common reason that I see the protection circuit on is either a shorted output on the amp or a shorted voice coil on the sub.
The easiest test to see which one it is is to disconnect the sub from the terminals on the amp and if the protection circuit still engages then it is likely that the output on the amp itself is shorted.
I do know that it is possible to run an amp at a lower ohm load than it is rated for but it will severely shorten the life of the amp (usually due to heat) and will cause failure sooner than normal.
The reason for the minimum rating is that the manufacturer tested the output and failure was found much more frequently at lower than the minimum that is stated in the specifications. In this case, the minimum spec for bridging the amp is 4 ohms and anything lower than that would likely cause early failure.
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