It may have meant just add a self-contained little unit to your existing set up. I repaired one of these for a friend once, interesting units. If you had a console with radio, TV, and 78 rpm that had a better speaker, it wouldn;'t have been too hard to put in a switch to alternate between your 78 rpm turntable and your new 45 rpm turntable. Even if you didn't know how to do it yourself, there were a lot of electronics repair guys around. I remember a guy coming to our house, I must have been around 6, to repair our TV. A different world then.