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Definitely Alnico.
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Looks to have similar structure and magnet size as a Jensen p15q. Which would have been the competition at the time? Your magnet looks smaller than the p15n. I think the vintage p15q was a 25W speaker. So I wouldn't push them harder than 25W.
EDIT: In fact... Because of their age (brittleness or degradation of older adhesives or any delamination of paper fiber) I probably wouldn't push them past about 15W.Last edited by Chuck H; Today, 04:12 PM."Take two placebos, works twice as well." Enzo
"Now get off my lawn with your silicooties and boom-chucka speakers and computers masquerading as amplifiers" Justin Thomas
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Yep, last photo shows the structure we associate with alnico mags. Nice find on these old Emmies! Agree that they'd best be put to use with a low power amp, so you can get everything it's turning out in the bass region. 15's makes 'em sound big and nice! No idea what size amp Wurlitzer ran on them but late 60's it was probably solid state, and may have had a built in limiter to keep juke entertainment volume out of the ear-breaking - and speaker breaking - zone. I'm guessing something like 20 ish watts a channel. Loud enough for the diner or bar it was in probably.This isn't the future I signed up for.Comment
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Cool, thanks all! Keeping them for some single-ended amps in the future. Having played my Vibro-Champ through my 2x15" got me hooked for life. Low power, big efficient speakers & lots of them. Maybe I'll rig one up today & give it a try.
Jusrin"Wow it's red! That doesn't look like the standard Marshall red. It's more like hooker lipstick/clown nose/poodle pecker red." - Chuck H. -
"Of course that means playing **LOUD** , best but useless solution to modern sissy snowflake players." - J.M. Fahey -
"All I ever managed to do with that amp was... kill small rodents within a 50 yard radius of my practice building." - Tone Meister -Comment
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