Strange problem with speaker balance -any ideas?

Is your room symetrical in plan (with speakers symetrically placed)?

I have little advice to give, but thought that ths ambiguity needed straightening...

Dave

Dave

Yes totally symetrical - and speaker positions and alignment all carefully measured in centre of the long wall.

Max

I have the same problem, but as you can see I have little I can do about it, the left speaker sits on a side wobbly window!

basically when we moved in I took my space on the right hand side of the sofa and havn't moved since.

snigger.

Gary

what's that lower pane of glass next to the LH SBL? Is it an oversized catflap for a baby elephant, or what?

LG TV? IIRC they're pretty good. I think you should offer a prize for first punter to correctly guess TV programme captured in your screen shot. Just to clarify, I have no idea.

Rico - SM/Mullet Audio

Max,

are both L & R walls made from the same material- is one a room divider and the other a load bearing wall for example?

I contend with this in my setup with adj to the balance control.

PS garyi is clearly enjoying his copy of Streisand's Yentil.

Mike

Thanks for that, it's an interesting question.

Actually both walls have windows but the window on the left is smaller than the one on the right. So, by definition, there must be more wall on the left. Something I hadn't thought of and could be a factor I suppose.

Max

Bill

Thanks for that. I have read your other post. It seems that I have my electronics more or less in the position you have moved yours and interestingly we have similar size and configuration of our rooms.

You are the second person to make a reference to phasing so I will have to check that out. I thought my dealer had told me Naim could not be out of phase - something to do with the way the plugs are wired. Perhaps I misunderstood the point he was making.

I can certainly understand your comment that the sound appears to move every time you move just a few inches. I find it most distracting and it just isn't right.

To be honest whilst I do know what the balance control does I am not sure that I understand what a balance control is for. I have played with it but cannot see that it helps. It seems to me that if the sound is correct in one seating postion playing with the balance to adjust the sound for an alternative position will only disturb the sound at the original position.

I have played around with the speaker position but everything is set up exactly as it was at the end of a weeks home demo of the system prior to purchase. Today I am hoping a little more "running in" of the system will help, though I have been running it 12 hours a day for 8 days now. I certainly notice that each morning the sound shifts quite appreciably to the right after the kit has been playing for half an hour or so.

I will see what tomorrows tweaks bring.

Thanks for your input.

Cheers

Max

The out of phase saga!

Ha I had the same belief when I decided to have a go at resoldering my cables.

Thing with naca5 is its quite simple to differentiate the two wires, it bascially likes to roll up neatly.

However sometimes things just work out that the + connector is actually going into the wrong hole.

Plug the speaker wire in to the amp, and follow the + connection to the speaker, is it right? Don't always trust the little tab on the plug, depends if the dealer knows his stuff.

If its not right, undo the screw remove the plastic outer shell, bend the plug points round and reapply the outer shell, hard to explain easy to understand in practise.

Either that or (if you discover you are out of phase) stick the offending channel upside down in the amp end.

In addition to the reflections issue mentioned above, the issue may be non-reflections.

When you move to the left the image shifts strongly to the left speaker suggesting that the right speaker is not being heard. Is there something on the right wall that would block a reflection of the right speaker when you move the listening position to the left?

Oh, and the balance control really isn't intended to fix the kind of problem you are having. The intend, I believe, is to center the image for one listening position in the case that the position is off center or the room is asymetric in some respect. It will widen or shrink the sweat spot.

- GregB

- Greg

Insert Witty Signature Line Here

Hi Max
First of all congratulations on getting the Allaes - I am quite envious.
On your problem I have two suggestions. The first one requires spending some money - get a test CD - audiophilecandy.com have a good one for sale. This will let you test each speaker and then phasing etc. It will also allow you to do frequency sweeps etc. to check that each speaker is working correctly.
The second suggestion is to try and work out reflection solutions using old curtains/blankets or similar and some broom handles. Reflections can be a bit of a black art so use the broom handles to hold bits of cloth/material is different parts of the room to see if things improve or not. If you manage to find a 'hotspot' then hang something there!
I understand that your problem(s) have little to do with running in equipment but I would suggest that you need a good long while longer.
Good luck
Raphael