The first 3-way Advent, the 6003 - Advent - The Classic Speaker Pages Discussion Forums
Advent 6003 3-Way Loudspeaker System Manual | HiFi Engine
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Set of Advent 6003 Speakers - These are HUGE! - Must see! - Incredible Speaker! Sound Amazing! | Living Estate Sale - High End Stereo Equipment Collectibles and More! | Equip-Bid
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Advent 6003 Vintage 3-way Loudspeaker - RARE for Sale in Palo Alto, CA - OfferUp