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We have diaphragms for the Klipsch K-55 midrange drivers.  We can either provide the diaphragm to you for you to replace or we can do that work for you.

K-55V driver made by Atlas Sound

K-55V Diaphragm Replacement Instructions

Same driver as it comes from Atlas, the PD-5VH

K-55M driver made by ElectroVoice

Sort of an odd one.  The K-51V Ceramic magnet driver made by Atlas was used by Klipsch for a short time in the early 1980s perhaps used only in the Klipsch Cornwall speaker.  Uses the same diaphragm as the K-55V.

K-51V ceramic magnet driver made by Atlas Sound.

The K-55V (Alnico magnet) driver diaphragm replacement is pretty easy.  There is no diaphragm available for the K-55M (Ceramic magnet) driver.  There is a way, however. to use a modified K-55V diaphragm in the K-55M.

Click for instructions on Replacing the K-55M diaphragm.

One little maintenance item that you should do on any of these drivers.  There is a round rubber gasket that seals the driver to the horn.  If your speakers are 20 or more years old, you would probably find that the gasket has deteriorated to the point it does not seal the driver to the horn properly.  We have replacements for these gaskets.

Horn to driver gaskets.