RAFellows Posted November 16, 2013 Share Posted November 16, 2013 I recently found an old pair of 15" woofers. They look just like K-33-M's with the large square magnet however they do not have the Klipsch sticker. They do have what looks to be a serial number and I have seen similar numbers before on K-33's. Can someone help me identify which woofers these are? Serial number is "137 7445". Re is about 3.9 ohms. The guy I purchased them from thought they were Speakerlab W1504S, however the color of the frame is the dark anodizing not the light color of the Speakerlab W1504S. Quote Link to comment Share on other sites More sharing options...
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