Akai Mpc1000 Sampling Music Production Station "rca 4 line phone need" Questions

...monitors by the sound man in the booth and NOT for playing loud at a venue for dancers, etc. I have RCA to 1/4 Jack cable but still not working for me - any suggestions? I'm tearing my hair

...RCA ) plugs from the turntable to balanced ( 1/4" T-R-S ) plugs to connect to your MPC1000's stereo line inputs. If your turntables have magnetic cartridges, you will need an active phone preamp, ...