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Picked up a set of large Advent (NLA, bullnose) speakers from an estate sale today - help me understand: what is the high frequency control switch, and which is positive/negative? : r/vintageaudio
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Large Advent Speakers (Solid Black Walnut Bullnose Wood Cabinets) Pro Re-Foamed Photo #2667346 - Canuck Audio Mart
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New Large Advents (Bullnose Cabinets) Restoration Questions | Audiokarma Home Audio Stereo Discussion Forums
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