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This appears to be an earlier model as one of the transformers and some tubes are located on the bottom of the inside head cab. That is a very good idea, as the weight of the tranny tends to pull down on the control plate, as described above with the B-14A. Unfortunately, this was discontinued and later models have all the hardware suspended from the underside of the control plate. No dedicated cab for this one, though it does have a backpanel with a metal jackplate on which is stamped a serial number.
