Left channel loses volume intermittently

[jas_kidd32]

The left channel on my amp will lose volume for some reason. The problem is recurring without any pattern. My setup basically is:

I have a 5ch amp, i check the wiring connected to it and everything seems to be connected snuggly. I tried wriggling the wires coz i suspected it to be a lose wiring but that doesnt seem to affect anything.

I haven't changed anything in my system which may have lead to the problem either.

[teh_mechanic]

my guess would be wiring,but you would think that would affect the front or back,unless you are running seperate rcas for left front,left rear, right front etc,like if its a surround system..hopefully not something internal with the amp.

[EuroDude]

Yeah sounds like the wiring is loose, unless the Amp or the Head Unit has dry joints on the PCB/connector.

Have you checked the RCA's behind the Head Unit?

[jas_kidd32]

No i havent checked any wiring yet besides the RCA & speaker cables on the amp. It might be the wiring on the speaker because the tweeter doesn't lose volume when the mid-woofer does. If it is to do with the amp or H/U then all the speakers on the left hand side will die together. Knocking on the grill brings the midrange speaker back to life :eek:.

I better hope it's not the speaker cone nor the x-over circuit.

[beeza]

Definately a connection,if knocking the grill turns it back on.I had the same thing.Sure it's good to bash something but you soon get tired of it :)

[EuroDude]

Are the speaker wires clipped to the speaker or soldered?

[arverson]

as beeza, teh mechanic & eudodude said, its a connection to the speaker problem. ive had this exact same problem before myself, solder all the connections & you'll never have to deal with it again.

[beeza]

Teh mechanic and Eurodude said it too! :)

[arverson]

fixed

[beeza]

Haha,thanks mate :)

[JaCe]

LOL i had this problem and it turned out (after many visits back to lifestyle where we couldn't replicate the problem) I had a faulty Alpine lineout converter!

[jas_kidd32]

The mid-woofer is clipped but its fairly secure. I checked for any lose wiring but there isn't any that i can tell. Not in the left door anyway.

[B18cEG]

Check if its your rca's (signal wires) at both the deck end and the amp end. This is a very common thing, to test it just swap your front left and front right plugs with your rears on the amp. if it is a fault in these rca's then your rear speaker will cut out.