<https://community.classicspeakerpages.net/topic/6651-3a-improved-dutch-ad-translation/#comment-89159>
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"If you look at the ad itself in the first pgh, it clearly says (in Dutch) ,\"Since 1959 the ‘3’ series of Acoustic Research has been the leader in the reproduction of music. It was the AR-3 that was the first loudspeaker that used the ‘acoustic suspension’ principal for low frequency reproduction.\" I suspect that AR meant that the AR-3 was the first speaker in Europe to use the acoustic suspension principle. Perhaps the AR-1 series was never exported to Europe. Steve F. \n"
<https://community.classicspeakerpages.net/topic/6651-3a-improved-dutch-ad-translation/>