Vintage RCA MI-12182A Theatre Tube Amplifier by Lehighton LE-B-100 PLEASE READ. Up for sale is a Vintage RCA MI-12182A Theatre Tube Amplifier by Lehighton LE-B-100. It powers on, some tubes light, has NOT been tested and should be gone through. It is for parts or repair as you see it listed. Some of our items have a numbered security seal applied. Please be mindful that any tampering, removal or altering will void any return of that item. Please be sure to look at all of this items pictures as well as reading all of the information pertaining to this item as it is part of the description and terms when purchasing this item.