Hello, I just finished up a CDXL Reissue Envelope Filter. It sounds great in the normal mode where the sound is more of wah rocking from back to front sound. However; on the reverse mode it sounds a bit thin, like I might have an iffy joint some where. I don't have pics right now, but I can post some tomorrow, but I was hoping someone might point in the direction to start looking. I've been looking at the schematic for a while now, but admittedly get a bit