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I recently spoke with Paul Eizik regarding the criticality of the open-air mounting of that driver instead of baffle-mounting. I decided to go extreme and to get rid of that plate that I had under the driver no mater now small it was, also I thought to lift the driver up slightly. As the result I came up with new mounting harness for my T350.

In the picture the old harness on the left and the not painted prototype of new on one the right. After time-aligning of the “new” driver I played today mono recording for each channel trying to determine which positioning would be better.

Certainly the “new” positioning has less reflection from the mid horn and it produces more auditable “space”. The most fascinating that the “new” positioning yields higher output. The “old” positioning used .2uF cap but at the new positioning I got the same subjective amplitude of HF using .047uF capacitor. Here is where the Gintaras Sakenas’s Teflon caps were quite handy….

It was quite intriguing and very positive result. The concussion of that story is that if you use the Electro-Voice T-350, T35 then stay as further form baffler as possible. Actually, as far as I concern any tweeter and a panel baffle are not big friends but I would not generalize it too widely…

Some useful documents about the EV T350 Tweeters: Page1, Page2

Rgs,
Romy the Cat

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