this is an example how different sidchip filters can sound, these 4 tunes were chosen b/c they are well known and make good filter use. also the filter upper level has been measured with sid audit (see csdb.dk) to have a…
5. 6581 R4 1686 - UF 1928/1929
4. 6581 R3 1086 - UF 1929/1910
3. 6581 R3 1984 - UF 1904/1953
2. 6581 R4AR 5286 - UF 1736/1760