I have a matching pair of 1940's RCA network crossovers Model MI-12406. The serial #'s are C-1036 and C-1128. These came out of some huge speaker box's that had 3 tweeter horns , 24 mid range speakers, and some holes that would accommodate some 15"or 16" speakers. Most all of the speakers were removed but the crossovers were still there and in good shape. The 2 crossovers are the only thing up for auction. They have not been tested,(I'm not even sure how). The following is a short wright up I found on line about some similar models.  "These beautiful art deco styled RCA type LS-1 (MI-12424) speaker systems were originally used in broadcast studios for high quality, sophistication and and design mastery of the era. The produce an Incredibly rich sound. These were the pinical of quality in their day and were so highly regarded that they were specified for use in the White House."   I am selling these in as is condition, which means no promise that they work and the only thing they can be returned for is misrepresentation. Buyer pays for all return shipping. I am shipping these USPS Large Flat Rate Box. I ship to the United States and internationally. Buyer is responsible for all insurance so make sure to let me know before I ship. I only except Paypal and payment is due within 24hrs of the end of an auction or a case will be started. If you have less than 10 feedbacks don't even bother bidding. I'm sorry for being so staunt with my rules but I get tired of getting burned. We strive to keep our customers happy and to keep our 100% feedback rating. Thanks and Happy Bidding.