That was it. I didn't have seated all the way in even though it kind of looked like it was. I do not like the OPA2134 better than the stock NJM5532 that came with my Play. I do however like the OPA134 better than the stock NJM5534. The difference is real subtle and I can't pinpoint why I like it better. What affect on the sound would the single op amps have? It should be fairly minimal right? I'm waiting on a few replacement vivids and classics but for now I have the NJM5532 in LPF and I/v and OPA134 in gain.