This module has a translucent yellow board with various components. "Grfund R4 nur bei 3012.390" is handwritten in blue on a white sticker on the component-side substrate. At the extraction-end there are two lights. Surrounding the lights there are four white stickers, which read "EO", "EAO-Kanal", "391", and "ohne G-7, R4"."TELEFUNKEN" is printed on the solder-side substrate.
Manufacturer
Telefunken
Identifying Numbers
Other number
1018
Stamped in black at extraction end on component side
Other number
55.3012.391-00
Handwritten on white sticker on component side substrate
