You're looking at pair of RCA 901855-501 mic/phono input transformers. Pulled from 6J7/348A tube preamps. DCR and schematic posted in pictures. Great as replacement or DIY amp/preamp projects. Each quantity is for ONE pair (2 transformers) Please refer to pictures. Terms Shipping US shipments will be sent by USPS Parcel. International shipments will be sent by eBay Global Shipping. Returns All sales final. These are vintage electronics there are no guarantees. Please look through pictures and ask questions before bidding. |