@Vuki,

Thanks for the instruction. I guess GPA is driving the driver into serious distortion anyhow with 200Hz @2V unloaded. I am curious to the experience of moving the diaphragm around and hearing the distortion vary.

@Pano:

You are referring to the 'adjustable Dowel Locating Pins' wich can move a little to center the phragm and be clamped afterwards by a screw. Won't GPA be kind enough to deliver a pair of those for you to get the job done right for once and for all?

So I take it you have a set of permanently misaligned 288s. I saw no distortionlines in your measurementgraph with the 1005 horn (post 48). Does thie misalignment result in bad sound or in "could be better" sound.


@Altec Best

My experience so far has been excellent too. Your confidence is reassuring!

Coen