5-string · Neck-through
Mayones Caledonius: a modern extended-range design with 27 frets, aimed at 5- and 6-string players. Neck-through ash/wenge body with eye-poplar top, ebony board, and an Aguilar Super Single/Super Double pickup pairing driven by Mayones' M-BP3 3-band preamp. Custom-order boutique instrument, made in Poland.
| Construction | Neck-through |
| Strings | 5 |
| Body | Profiled swamp ash with wenge middle and eye poplar top |
| Neck | 5-ply wenge-padauk with graphite rods |
| Fingerboard | Ebony |
| Neck Pickup | Aguilar Super Single |
| Bridge Pickup | Aguilar Super Double |
| Controls | Mayones M-BP3 3-band active preamp |
| Made In | Poland |