No bass left floorstander

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Hi Guys,

Just bought some tasty new Q Acoustics 3050. Listened before I tried them out in the shop, they were awesome.

My sound system has been playing up recently which also influenced me buying new speakers. So I get home and hook them up to my Yamaha AS201 amp. When playing music (through multiple inputs, CD, Line1, Line2 etc) the right speaker sounds great, but the left speaker appears to have no bass coming out. I can hear a really high pitched sound from the small tweeter but touching the bigger cones they are hardly moving. These are the things I've tried to troubleshoot;

- Tried different input sources on amp

- Switched speaker wires from A to B outputs on back of my amp

- Recut the speaker wire both ends

- Tripled checked the speaker cables, ie red to red, black to black both ends.

However, still isnt working. To be honest, I've used my amp pretty hard these last few months. I wouldn't be surpised if part of circuit board has blown or something. Anyway, can anyone help troubleshoot any more for me or is it game over and time for a new amp?

Thanks in advance!

 

[George Hincapie]

Are you able to try another amp? Perhaps ask a friend to pop over with theirs?

It's not impossible there's an issue with the speaker, but it's equally likely that there could be an issue with your amp.

*Edit*

Not sure if I read your OP properly, but if you know one of the channels on the amp is definately working, then try both speakers on that one working channel in turn. If they both work, then your amp is fooked. If only one works then the speaker is fooked.

Hope that helps!

 

[MajorFubar]

Are the speakers bi-wireable? More likely the're a bad link at the back. If the tweeter's working on that side it can't be your amp can it.

 

[davedotco]

Did you actually try the speakers you took home or were you given a brand new boxed pair?

In either case the first thing to do is this, discard the speaker cable from the non working channel, do not connect anything up to that non working channel of your amplifier.

Swap the speaker cables from the working channel to each speaker in turn (turn the amp off first), carefully check the connections and the bi-wire links, check that both speakers work.

If both work fine you have a channel down on the amp, have it tested.

If you definitely can not get both speakers to work properly, then you have a broken speaker, ask for replacements. If the speakers were the ones tested in the shop before taking them home, then you have most probably blown them up, down to you I'm afraid.