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Azimuth and the Fozgometer

Finally received the Fozgometer after a 2 month backorder. In the past I have always used a loupe and a front surface mirror to set the azimuth on my Tri-Planar with Dynavector XV-1S cartridge. According to the meter, I was very close to a correct azimuth. I wasn't prepared for the effects that a very slight adjustment would make. Nailing the azimuth has brought my soundstage into tight focus. I have never experienced this kind of solid imaging in my system.
I know that the $250 price tag is a bit steep for something that won't get a lot of use, but this is not a subtle improvement. There are other ways of measuring azimuth, that I am not very familiar with, but I would doubt that they are as easy to use as the Fozgometer.
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Showing 2 responses by bpwalsh

bpwalsh
1,195 posts
 
The Fozgometer measures crosstalk and channel levels through a filter. It's a good start but by no means is the optimum way to set azimuth. Feickert uses the transfer function to measure phase response, to which the ear is much more sensitive. Minimum phase error between channels is often in the ballpark of minimum crosstalk in terms of azimuth angles but rarely coincides.

For far less than $250 you can get someone to do the full Feickert alignment service.
bpwalsh
1,195 posts
 
What is this "Feickert alignment service"?
Some dealers provide setting of overhang, offset angle, azimuth, etc. using various tools including the Feickert Adjust Plus software, with analog purchases and/or as a separately available service. I am one, but there are others listed on his website.
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