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I think its time to roll my own...
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1 JBL 2123H speaker with cast frame, large vented magnet, and cloth surround | eBay
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2123H/J Specification Document
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JBL 2123H J SPEAKER SM Service Manual download, schematics, eeprom, repair info for electronics experts
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JBL_2123h
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1 JBL 2123H speaker with cast frame, large vented magnet, and cloth surround | eBay
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Matched Pair #4 - 1990s JBL 2123H Ceramic Magnet 250 Watt 10" PA/Guitar Speakers - Look & Sound Excellent! | Reverb
