My New Audio Nirvana Drivers

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It looks like this in the middle of the baffle
 

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OK I see what yoiu are saying about the rising reponse on the published data.
To be honest I don't trust manufactures much these days.
I regularly test manufactures products that are meant to meet Mil Specs and they often don't perform as published.

I don't care what they have measured because I don't know how they measured it.
I only care what I get in my listening room
 
I will try and explain the room.
The ceilings are 2.7m high but vented to the atmosphere .
The width of the room is 5.5m but then widens to 7.5m and then goes back to 5.5m
The length of the room is 17 m.
There is a wall that is 2.5 m wide which runs across the width centrally positioned so there are two 1.5m openings on each side (there are no doors)
The wall is positioned 6m from the rear wall.
The rear wall does not run across the width of the room it is 4m wide and there is a 1.5 wide hall way which extends 5m to the door.

I bet I confused the hell out of you. Hahaha

The speakers are tested 1.5 m away from any wall (one of those wall is non-continuous)

The house is open plan
 
highly improbable a voltmeter can make do with anything above 100Hz.

you need an oscilloscope

OR: send the speakers a 50Hz signal ONLY, measure it with the fluke and hope it's the same voltage that is sent when doing the sweep

(how long does the sweep take? a couple seconds?)
 
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