This is a Rectify Series drop-in speaker system for Atlas Master (late) U23/30/33/36/B & B23/30-7 locomotives. Atlas uses the same enclosure in most of their late-run Master locomotives, so this will fit many other models as well! More than just a box, the enclosure features Diapasonic Tuning™, which allows the lower frequencies to accurately develop and resonate, clears the midrange of excess resonance and tunes the upper-mid/high response. The speaker mounts with a touch of adhesive and no modifications are needed to replace the factory speaker.


The speaker comes fully assembled and tested.


Dimensions are: 11mmH x 17mmW x 40mmL



Atlas Master U23/30/33/36B, B23/30-7 & Others


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