Hart Professional MS 1000 Series Subwoofers circa 1990
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Hart Professional MS 1000 Series Subwoofers circa 1990
https://live.staticflickr.com/65535/...77cb1112_h.jpg
Hart Professional MS 1000-12 Subwoofer circa 1991
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Hart Professional MS 1000-10 Subwoofer circa 1993
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Hart Professional SW 6500 Subwoofer circa 1994
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Hart Professional Rock Series/Onyx Series/1000 Series Subwoofers circa 1994
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