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RE: Onken Suggestions

Hi Ed, Your ideas sound great and what a terrific resource you have in your dad! Building Onkens well is more challenging that it seems, and I do recommend following the Hiraga plans that you can find on the web in French.

Like Ultra, I have experience with the 416a in the 360L Onken. Keep in mind that this is the driver that Hiraga tuned the cabinet for, and so any other driver will have a different sound in the box.

to your questions:
1) I've read that a 416a 16 ohm is about 96dB in the Onken. It's an easy load for single or PSE 300b.
2) My 416a in Onken goes to 35Hz in room and then drops off like a stone
3) It's good, but the A7/Magnificent a friend had is better integrated (generally)
4)Your room is a great size and will let them breath well. Mine are in a 15x19' room with a vaulted ceiling and they are a bit squeezed but play nicely.
5) Proper wood will cost upwards of $500-600, but your dad may be able to get better pricing. Use the highest grade Baltic birch to avoid cosmetic patches, ie "butterflys"

As for the 2002, that's a 1" throat and will probably have more top end than my 288G. But, making the handoff from Onken to horn is tough and I personally like my 311-90 in this range than the 811b. The larger format Altec horns only bolt to larger drivers, so I had to go with the 288. The 811b and 1.4" driver does have better top end, but in my system it didn't integrate as well at either 800 or 500Hz as the larger horn does. Just to add to the confusion, a friend has 811b on his Onkens and he really likes it. So many factors come into play including the crossover that it's tough to take anything on its own.

Let me know if this is helpful and if you want more input!

Doug


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  • RE: Onken Suggestions - DougE 10:26:06 01/13/16 (0)

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