Brand New Genuine Klipsch diaphragm used in the following models: Chorus, Chorus 2, Forte I, Forte II, Heresy II, Quartet, Tangent 500, KP-201, KP-250, KP-301, K61K, K-53-PH, K53K, K-53-K, K57K Diaphragm. 16 ohm. (Old part number 127101)
Please note: One terminal is larger than the other which usually indicates the positive side. Smaller terminal is marked black which is normally negative.