My findings using an spl meter.

[Soopafly49]

Did a manual calibration using a manual silveline spl meter. The settings I used were C weight and slow set to 70 db as recommended on this here forum.

Speaker distances FL and FR 4.10m centre 3.61m sub 3.61 surround L 2.69 m and right 2.56m. This set the speakers to FL +1.0db and FR +1db centre +3.0db and SR +4.5db and SL 4.5 I left the sub at 0 (for neighbours sake) all for 75db on the meter.

Cross over all at 80hz when I did it.

Can't help think that these measurments are wrong though at the rears are a lot close to listening position but are a lot louder than fronts.

Thoughts?

 

[michael hoy]

How are you using the meter, hand held or on a tripod and was it at ear height at the main listening position.

 

[Soopafly49]

How are you using the meter, hand held or on a tripod and was it at ear height at the main listening position.

eerrrrm....on a ironing board :shhh:

 

[Soopafly49]

and yes it was at ear height issh

 

[Petherick]

Well the ironing board can't be helping (unless it's doing your shirts at the same time of course) but it's important that the SPL meter faces UP not toward the front.

 

[Soopafly49]

No probably not but I thought it better than hand held. The position could be as well as spl instructions said to point it towards source of sound so will try it again today. Also eq settings since auto setup does this normally not sure what to do with it

 

[michael hoy]

Yes the meter does need to point upwards as stated above.

It won't help either if anything is in the path of the sound causing reflections.

Maybe you could use your iron to flatten the sound curve 🙂

 

[Soopafly49]

Another thing is i Had the projector running but just thought that I could use the amps display instead.