Ampeg GU12 and AC12 Speakers

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zozoe
Posts: 249
Joined: Tue Dec 10, 2019 5:39 am

Ampeg GU12 and AC12 Speakers

Post by zozoe »

Greetings, what style CTS's typically came in these amps,, Alnico or Ceramic? And is this speaker and Alnico or Ceramic?
Thnx
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Stevem
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Re: Ampeg GU12 and AC12 Speakers

Post by Stevem »

That speaker in your photo is a CTS Alinco made during the 44th week of 1967.

I am 99% certain that during the era that the GU12 model was made that it have been born with a Ciramic magnet driver, the other model Ampeg I am unsure, but I am leaning towards Ciramic here also since many of the 12" drivers in the reverb rockets for example where a Ciramic
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seveneves
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Re: Ampeg GU12 and AC12 Speakers

Post by seveneves »

Stevem wrote: Wed Aug 07, 2024 9:25 am That speaker in your photo is a CTS Alinco made during the 44th week of 1967.
Er... 47th week of probably '74 (or possibly '64)?
Stevem
Posts: 5144
Joined: Fri Jan 24, 2014 3:01 pm
Location: 1/3rd the way out one of the arms of the Milkyway.

Re: Ampeg GU12 and AC12 Speakers

Post by Stevem »

Very sorry, yes 1964 or 1974.
When I die, I want to go like my Grandfather did, peacefully in his sleep.
Not screaming like the passengers in his car!

Cutting out a man's tongue does not mean he’s a liar, but it does show that you fear the truth he might speak about you!
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