MD-7/ARC-5 Identification

[Ted Busky]

I have what I am assuming is a modulator with 2 1625's, VR150-30, and
12J5-GT. I found a schematic for a MD-7/ARC-5 on a big military radio
site (I've forgotten the URL). But, the schematic does not match the
hardware. The schematic shows one 1625, one less "cannon" style
connector, and no mike and key jacks. The released date on the case of
mine is 2-44.

Can anyone clarify this for me and possibly point me in the direction of
a schematic. Or, since I don't have the dynamotor, what kind of plate
voltage do I need and power out? Also, is it a good modulator and worth
putting into service?

Thanks in advance.
Ted N1XLW

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