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[quote=Earl K;254552]Try Santon Audio in Markham .

Bob ( Santon ) sent out some 802s & 2440s for me some years back ( 6 -9 maybe ) .

He may still have the connection that actually does the (...

Earl,

Is there a JBL service centre in the Toronto region that could safely recharge an Altec alnico such as the 806A or 416A?

I'm reluctant to ship them down to the USA.

Thanks,

Don

Tim,

Since I still do not have all the equipment required to test the response of my system (Altec 806a/416a/811b) I have been following all the tests that have been posted by Zilch.

My...

Zilch,

My current passive crossovers are very close to the N800-F. I'll take your diagram and add on the CD compensation.

Yes it is better to bi-amp. I also have the DCX2496 however my 4...

Zilch,

As you know I'm also working on a new filter for my Altec 806's.

Could you post the final complete network drawing for the HF?

Once again thanks for all your hard work and...

Zilch,

Have you posted an impedance graph for those Altec 806's?

By the way I have used a variation of the N800F crossover with my Altec 416a's which were much better than the N800D that came...

Hi,

Take a look in the attached.

Good luck with your project.

Regards,

DonM

I believe the optimum size for the 416A's is in the range of 8 to 9 cf.

This is based on comments from others who have built cabinets for these drivers.

You can find suggested cabinet...

I found these T/S for the Altec 416A.

Model Number: 416A
Xmax (inch): 0.6
Xmax (mm): 15
Re (ohms): 12.54
Fs (Hz) 21.4
Vas (cu. ft.) 36.8
Qts 0.272
Le 2.5

Could you explain why you used a second and third order crossover?

I'm researching a similar project for the Altec 416A & 806A.

Thanks,

Don

I finally found one of the recommended Altec crossovers for my 416A and 806A.



It is Model N800D and it has 5 taps. The first position is 0 and the 4 remaining taps increase by 1 dB. It is...

Does anyone know the range of high frequency attenuation that was available on the Altec Valencia?

Did Altec use an L-Pad, a series of resistors or a transformer for that attenuator?

Of the...