Pair of RCA MI-12173-A SK-1A 12AU7 Rainbow Line Mixer Preamplifier Preamp Module

Description

For sale is One Pair of RCA MI-12173A SK-1A 12AU7 Rainbow Line Mixer Preamplifier Preamp Modules! They are very neat little preamp and comes with the wiring layout marked on the pins as seen in the pictures. I will include a copy of the RCA Wiring Diagram and Schemtic for the pin out so you can rewire them for use. It is very neat Line Preamp module if you rewire a bit. Each unit requires one 12AU7 tube.
Very Clean and Original 1950s Condition! Untested! Sold AS-IS and as seen in the pictures. What you see is what you get! For DIY Repair and Restorers.
Will be packed well for safe shipping!
Please ask questions before bidding!