I really dont know much about some of the microphones and some of them I cant test because I do not have the equipment or know how to test them. It will say tested on the upper listing if it has been tested.
The last letters in the listing are for my location purposes only. The item "Vintage NOS Turner 33X Crystal Microphone Retro Mid Century IN BoX e1" is in sale since Saturday, June 16, 2018.This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Vintage Pro Audio Equipment". The seller is "vintagestuffforsale" and is located in Old Appleton, Missouri. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica.