Esl 57

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Hi,

Reasonable horizontally and poor vertically from what I recall seeing.

Matching would be difficult, possibly pointless ?

In other words a tweeter running over the last octave could be set
at a levell that fills in but not fully compensates vertically whilst
being lower level on

conjecture though...

FWIW IMO a Neo3PDR used dipole (without the rear chamber)
might be a good option, response is very overdamped / low Q
open backed and it would only need a simple c/o.

:)/sreten.

quad_impedance_graph.jpg


Make sure the treble can be driven and the treble panels have not lost sensitivity
 
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