my A7s are up and running- and 416a magnet questions

[kipduff]

great day!! new 416 8Bs alnicos for 360 $ each? screw the recones that's a good deal. especially considering two way shipping.

Exactement, mon amie...... And they're the correct fit for the cab motor board. Itchy trigger finger.....

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For the sake of completeness and for future reference, the A7-500-8's in question use 416-8B Alnico woofers, 511B horns, and model 802-8D alnico magnet drivers.

Here's the crossover schematic.

Thanks for clarification. This is nudging me closer to the new GPA units- and (per your advice) stick with the 16 Ohm setup. Wanted to stay at 16 Ohm- now I have a reason.

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AlNiCo magnets are basically the original ?shielded? magnets. A screw won?t stick to the outside of them like a ferrite magnet. As I understand it, this is because of the magnetic return inside redirects all the force to the gap.

That is a good deal on the GPA woofers. I would seriously consider those.

As far as 8 versus 16 ohm, I would use whichever is easier for you. For instance, if you are running passive xovers, and like expensive caps, the 16 ohm versions are cheaper to build.
If you are like me, and use cheap caps, the bigger coils on the 16 ohm xovers make them more expensive to build, and I would go with 8 ohms.

That's quite a relief to hear about the Alnico magnet characteristics- I was worried there was something wrong with my regaussed 604s.

Yeah- thinking seriously of getting the GPA 416-16Bs ordered today. AND they are the correct fit for the 828s. Just need to do a little research first.