The Collins 312B-4 houses a speaker, an RF directional wattmeter (with 200/2000 watt scales) and a hybrid-type phone patch. 10 x 7.75 x 12.25 inches 8.5 Lbs.
The 312B-4 is a great match for your KWM-2.
Pre owned, in good condition see photos. Item NOT tested.
Note: We do not test, remove covers or inspect vintage equipment. This includes the piece of equipment listed here. These pieces came from estates and if we had to test, and visually inspect these vintage pieces, the asking price will be much higher. What you see here in these photos is what you are buying. It is being sold as is, where is with no returns. If this is not acceptable, please refrain from purchasing this unit.
Sold as is, no refunds.