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PET/MCF-film (Polyester/Polycarbonat)

From our point of view (in-house) the red line is reskinning of transducer by polyester film or by polycarbonat film (Macrofol MCF). For decades we have gained positive experiences with this procedure.
PET means polyester and MCF means polycarbonate and Macrofol/mylar respectively.

Unless otherwise agreed all repair orders of defected big diaphragm will undergo a skinning by PET/MCF film



red line M7

red line

Electrodes stringed (by sticking) with PET or MCF will be signified by red line.

K87_old K87_new The screwed capsule types K67,K87, K87ai and K47 as well as AKG C12 will be stringed by MCF film.
old diaphragm new MCF diaphragm