4, 5-string · 4, 5
Japan Tune-up Series (imported, set up/tuned in Japan). UV-coating finish; nickel-silver frets; D'Addario strings.
| Strings | 4, 5 |
| Body | Okoume |
| Neck | Maple |
| Fingerboard | Ebony |
| Neck Pickup | Original J set (single-coil) |
| Bridge Pickup | Original J set (single-coil) |
| Controls | Passive 2 Vol/1 Tone (4-str) or active 1 Vol/1 Bal/Treble/Bass with Bacchus BBP2C (5-str) |
Artists documented playing the Bacchus WL4/5 Jazz: Davie504.