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| This is a EICO signal generator model 377 it is all tubes and works very well. It ranges from 20 hz to 200 khz sign or square wave. I have used this as a VFO on an old Heathkit DX60 transmitter and it is very stable aside from that this is a nice signal generator for audio. This has been tested and is guaranteed to not be DOA. This is the inside . and the bottom . of the unit. |