Vintage NOS (New Old Stock), Graymark 505, 3-tube radio transmitter kit! This is one of the rarest Graymark kits. Kit is still in its original box. All the parts bags are still stapled shut! The box has some wear and staining, and a tear on the top flap. The bottom has a circular green stain about an inch in diameter. We have inventoried the kit, and it is complete. Their was one minor discrepancy in the parts. A resistor in the parts list has a 2.7 Mohm resistor, but in the parts bag is a 220 Kohm resistor. We are including an extra 2.7 Mohm resistor. Kit includes vacuum tubes, but this version does not come with a microphone. We will include a small crystal microphone. The manual is a photocopy of a used manual. It has some markings and writing in it. Please note we do not supply copies of manuals or schematics. This kit has one unusual feature. The printed circuit board has no component holes. The user has to drill holes in the board. The copper traces are underneath the black coating. See our other listings for more Radio, Electronic and other RARE and UNIQUE items. It is assumed that the unit(s) will be installed and operated by qualified personnel. Not for sale to minors. See our other listings, for our EXCLUSIVE PC board kits! The item “UNBUILT Graymark 505 vintage vacuum tube AM radio transmitter electronic set kit” is in sale since Saturday, February 9, 2019. This item is in the category “Collectibles\Radio, Phonograph, TV, Phone\Radios\Tube Radios\1960-Now”. The seller is “ppelectronics” and is located in Middlesex, New Jersey. This item can be shipped worldwide.
- Brand: Graymark