Found a 38-690 today - Printable Version

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+--- Thread: Found a 38-690 today (/showthread.php?tid=3151)

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Re: Found a 38-690 today - FStephenMasek - 04-18-2011

Mikhail7 Wrote:So, they're early "drone cones", sans voice & fieldcoils? My Altec 890C Bolero speakers each have a 10" speaker and a 10" "passive radiator".

Mike

They are different than those passive radiators in your speaker, as they are specifically intended to deal with vibrations from the wood cabinet. Here are two articles on them:

http://www.tuberadioland.com/philco38-116XX_main.html

scroll down on this site:
http://www.philcorepairbench.com/tips/svctip38.htm

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Re: Found a 38-690 today - Michael Dennis - 04-18-2011

Thank you for the information. Always glad to learn something new.

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