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Classicwatch discussion fora » Jaeger-LeCoultre Forum » When was the change of the Memovox alarm to "gong" sound? « Previous Next »

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Phranz
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Username: Phranz

Post Number: 1
Registered: 09-2014

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Posted on Saturday, September 27, 2014 - 01:48 pm:   

Dear moderators, experts and JlC lovers!

Only some months ago I fell suddenly in love with vintage �50`s and started a very small beginner`s Collection of Omega`s, Lemania`s, Zenith`s, IWC and Navitimer of that period. Besides the technical qualities of that age, I as an amateur, am fascinated specially by the aesthetics of these works of art.
And so it is only natural to be extremly attracted by the classical JLC`s, right now for me the Memovox.

Since some weeks I thankfully have read as much I could here in this forum to learn more about the Memovox. Now, being in the phase of picking one, a question arises in the discussion with a potential seller.

Which year(s) and in which references happened the transition from the "buzzing" sound to the "gong" (in german "Klingelton")?

thx all for your educational work here!

P.S.: Should I get one, I promise to post pics and more info....
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Zaf
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Posted on Saturday, September 27, 2014 - 08:21 pm:   

Not sure when the exact year is, but probably mid 1990s for the first gong. I don't know the particulars of the modern memovox, but the old ones used to strike a post that was welded to the inside of the case back. I suspect anything that gongs is striking a coil on the edge of the movement similar to an old repeater.
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Phranz
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Posted on Sunday, September 28, 2014 - 02:59 am:   

@Zaf:
thx a lot for your quick answer
regards Phranz
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Phranz
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Username: Phranz

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Posted on Wednesday, October 01, 2014 - 11:12 am:   

In a blog from "Horolograph" I have found the following:

Only the most recent 5 movement references (Cal. 919, 918, 914, 909/1, 956) starting in 1989 with the Grand Reveil perpetual calendar/alarm and its Cal 919. These ringing Memovoxes use a gong to make a bell ringing sound, the others all used a vibrating hammer that makes the sound shown in the video in my previous post."

Here the link to the full article:
http://horolograph.blogspot.co.at/2012/10/review-of-lecoultre-memovox-ref-2677.h tml

Maybe helpful (hope, the info given is correct).
regards Phranz