Serial number A 5832. In that great 1950s green color. As far as I know, this works, but I cant be for sure. The item “Contex 6706 25-40mhz Linear Amplifier tube green vintage radio serial 5832 ham” is in sale since Wednesday, December 26, 2018. This item is in the category “Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers”. The seller is “danjudyautomotive” and is located in Salem, Oregon. 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, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia.

• Modified Item: No
• Model: Contex 6706
• Brand: Contex