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Good evening everyone! I try different RIAA phono preamps. The phase angle lies between -90° and +90°. Nevertheless for most of the circuits the graph is scaled from -180° to +90° which by itself does not make too much sense because no value is below -90°. Sometimes the scale is -270° to +90°, also with no value below -90°. Why is this and how can I force the scaling to always be -90° to +90° for all circuits/files? The way it currently is makes the circuits very difficult to compare. Thanks and have a nice evening Ingo |
February 23, 2026 |
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