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However, the RadioShack 274-378 1/8" Stereo Male to RCA Female adapter combines (2) ring and (3) tip to go from a stereo phone to a mono RCA connector. This contracts to inserting a mono plug into a stereo jack, where as the (1) ground sleve would be combined with the (2) ring via the absent of the ring on the mono TS (Tip + Sleeve) plug. So where should the (2) ring audio channel really go? With the sleeve ground or the left phase tip?