The Charvel 475 Special is part of the Charvel Classic Series. It was available from 1989 until 1991. The last year it was called the Charvel 475 Deluxe. The 1989 Charvel Catalog states that it's a Custom version of the Charvel 375 Deluxe. It has active electronics with an HHH pickup configuration. The two "single coils" are actually two bi-level pickups (humbuckers). Other features are: