Hard to find male and female 6 pin MIP socket and plug in connector. The cap on the male plug is a thread on. This is a very well made unit from Japan back in the 1960’s. mold in place socket can be used for a tube socket or with the male plug in for a wire connector like organ speakers.
2 Roberts Light up 990 Akai M-7 reel reel tape recorder VU meters M-8 M-7 720
These were made by Akai and will work in many Akai, and other Roberts recorders as well. they work great. All the hardware is there. Super nice pair, face is not burnt, NO ISSUES. They serve the purpose of the dial light, and show the amplifier output, and look very cool.