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jessie.dazzle wrote:

Back when Fane were still in business, I ordered a pair in 16Ω (I don't know if there is a theoretical best choice between the two for horn loading... Any thoughts ? However, the 8Ω model will require a smaller coil in the crossover, which in this case is good news).

It does not really matter what impedance would it be 16R or 8R. I went for 16R because a few reasons. The 16R Fane 8M in +6dB horn has the identical sound pressure level as the Vitavox S2 driver with plastic suspended cone. Do not forget that I discovered Fane 8M in 2000 when it replaced the AG Trios upper bass driver and at that time I used Lamm 2.0 to drive all my upper channels. Also, I had no control over the Lamm’s output transformer ratio and therefore I it generally feel that higher impedance for load is better for SET operation. Theoretically if I still use one SET without going multiamping then in order to drive different impedance channels and at the same time to moderate load and gain I would go for one large transformer with many-many section and I would take  different combination of sections for each channels…

jessie.dazzle wrote:

I am not at all set on using the Fane drivers in my upper bass horns... I've been experimenting with a bunch of AlNiCo drivers, and have found one that is more sensitive, goes lower, and has to my ear a less "dry" tone than the 8Ms... However, all testing so far has been done with the rear chambers open (been moving to another house, so have not yet had the time to make the sealing covers). Once the rear chamber volume is properly tuned, the 8Ms may come out on top.

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