RCF L15P06 Loudspeakers - Matching Pair of Vintage 15 inch Low Frequency Speaker Drive Units - 4 Inch Edgewound Voice Coils - Vented Alnico Motor Assemblies - Made by RCF in Italy under JBL License - Almost identical to JBL K-140, D-140 but with superior cambric cone surround which is indestructable and absolutely perish proof.