Up for sale here is this set of 2 vintage Fisher jumpers. These came from an X-100 amplifier. Please see my pictures for details and measurements. If you have any questions, please ask. I have more hardware and other vintage electronics listed--feel free to take a look! The item "2 Vintage Fisher Preamp / Reverb Jumpers X-100 500C 800C Tube Receiver Amplifier" is in sale since Thursday, July 16, 2020. This item is in the category "Musical Instruments & Gear\Guitars & Basses\Parts & Accessories\Amplifier Parts".music" and is located in Milwaukee, Wisconsin. This item can be shipped worldwide.