coolhandjjl Posted April 16, 2014 Share Posted April 16, 2014 (edited) SOLD:BMS 4552 1" Compression Drivers, 1 Pair. This is a bolt-on style of driver, however, thread-on adapters are available if you horn is threaded. Some folks have had great success using them on the Altec 811B horns down to 800Hz.Poly diaphragm1kHz to 20kHz8 ohmsNeodymium Magnet113dB/m sensitivity$150 plus shipping for the pair. Edited April 21, 2014 by coolhandjjl Quote Link to comment Share on other sites More sharing options...
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