(found in old Newsgroup post): There a place in CA that sells the factory replacements for 75.00 dollars for the 7 I bought three as spares and there same as Icom.Update your shipping location 7 S 0 P O N S O A R P A 7 E E D-1-1. Achetez en toute sécurité et au meilleur prix sur eBay, la livraison est rapide. Visitez eBay pour une grande sélection de icom ic-781.In addition to the incredibly clean LO allowing you to hear the weak signals, the new spectrum scope design enables you to see the weak ones! As a result of this design, the purity of the LO achieves a Reciprocal Mixing Dynamic Range (RMDR) of 110dB. With the design of the IC-7851, Icom's engineers focused on a new Local Oscillator (LO) that drastically reduces the phase noise.