16 ohms speakers- 8 ohms output amp

I second dekay's advice for a good, inexpensive, diy amp. Don;t fret too much over the impedance, tubes have high output impedance (hence the output trannies) and love high impedance loads. Also remember, if you're measuring the Fertins with a conventional multimetre, what you get is the resistance rating Re (dc) -- not impedance Z(ac).

Again, as dk suggests, the baffle will be an important contribution to the sound. Why don't you try out PHY's "panneau plan" -- or Supravox's. They work very well.

As I mentioned in an earlier post, the field coil allows you to play with the drivers' characteristics to suit your tastes. More than most of us with fixed magnets can do!

I think that I'll go for the Phy-hp type of baffle at first, since they are easier to build. Later, I'll try to find a better design. As for the amp, I'm not the upgrade type so I need an amp that I'll keep for the next 10years. I wonder how these amps(Bottlehead) would compare to other amps, like Cary.I would spend more than 2500 since I've spent close to 2600 for the Fertin. But I think that I would rather spend more now and keep the amp for a long time. My drivers are leaving France today so I'll probably get them by Monday. I still have a lot of work to do. Thanks for your advices. If you have any other ideas as for my choice of amps, keep them coming.

Laurent: 2600 euro for the Fertins???? And I thought Supravox fields were expensive!

Why are you insisting in a branded amp (Cary, etc)? A competently made diy (or a local hobbyist's product) will easily serve your purpose and for many years to come!

Amps using 300b, 2a3, 6c series, 845 tubes should do fine. These are outrageously expesnive to buy branded!

Gregm, 2600us was the price I paid for the Fertin. They are the upgrade version with silver wiring and some other extras. I was thinking of a 300b but I don't know any diy amp except the Bottlehead that was mentioned here. Do you know any DIY amps? I'll will be looking into this. thanks.

Suggest experimenting with the drivers and various OB/cabinet configurations (with amplification available) before investing in a "long term" amplifier.

May be that you prefer something different than the Fertin's.

I've used gobs of SS & tube amps with many single driver speakers and the amplification choice, though important, is not of a first order priority.

If you like the sound of the speakers, then go from there.