Proac Rake angle?


With the D48r, and my current listening chair, with the speakers perfectly level, my ear is at the top of the surround of the top woofer, instead of tweeter level.  I'm assuming that this is not allowing me to get the best tone and image out of these speakers.  I have some outriggers on the way that will allow me to adjust the rake angle more easily.  But I'm not sure if tilting this speaker back to get the tweeter to fire my ear will actually be completely beneficial.  Would this skew the crossover alignment?  Would I be better off trying to find a chair to get lower? Any experience? 
audiolover718

Showing 3 responses by williewonka

I would contact Pro Ac - they will let you know which practice is best

Tilting them can upset this alignment - depending on the speaker deign. They could end up sounding much worse in other areas

Do you hear a difference if you align your ears with the tweeter?
- Try standing and then sitting and noting the difference in image.

If you do hear a difference - I would suspect reflections from the ceiling or side walls are causing the change

To be able to provide better feedback...
- how high is the ceiling?
- How far are you from the speakers?
- How far are they apart?
- How far are the center of the drivers from the
>>> wall behind them?
>>> side walls?
- Is the floor between the speakers and yourself and the speakers carpeted?
- Do you have the ribbon or dome tweeter

I believe the dispersion patterns from the drivers should compensate for a couple of inches discrepancy on listening height. ProAc's have a pretty good reputation for being easy to place (within reason). 

In practice, I've never heard any difference whether seated or standing with the Pro Ac models I've listened too, but they did not have two bass drivers

I've tried tilting with my own Gershman Acoustics speakers, but I found they were better when virtical.

The other hing I've found impacts imaging is the furniture in the room - e.g. I had a 7ft book case in a corner behind the listening position. There were some serious reflections happening the top of the book case and the ceiling, which caused smearing - A piece of 1" foam on top of that book case cleared that up and improved the imaging.

Speaker placement and furniture are critical when trying to achieve the best image.

Regards - Steve
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Audiolover718 - you might find they take a dive in performance around 30-60 hours, but by 100 they will start to sound very good.

From 100-500 hours the improvements will be more gradual.

You don't have to play them "at volume" to burn them in - you can leave them running at very low volume. This will burn-in the crossover circuitry and the voice coils. 

What speaker cables are you using?

Cheers
+1 for Jperry's comment above - jumper bars are probably the worst thing to use - I always use speaker wire the same as the speaker cables.

If you have store bought cables then get some quality wire from a company like Van den Hul or DH Labs. They both use great quality copper

Regards...