Check the listing for details. 4x rca mi-9362 preamp modules mi-9519 power supply and 4x mi-9268 input modul. Condition: For parts or not working, Made in United States. Listed at 1995.00 USD. for sale are (4) rca mi-9268 input modules with utc input transformers, (4) rca mi-9362 output modules with stancor output transformers and an rca mi-9519 power supply which the output modules are mounted in. completely unmolested and evidently seeing little use, the four output modules with the power supply are working fine. i measured 20db of gain and a perfect sine wave on my 'scope for each unit. all the tubes are general electric and appear to be original, with all sections checking the 85-100 range on my b&k model 700 tester where 65 is good, except for one which checks at around 66. the input modules all have 3 mica ge 5 star 6072 tubes and all sections check above 85 except one which checks around 80. these units are built like tanks and are top quality throughout