4, 5, 6-string · Bolt-on or neck-through
Flagship custom model; example 524 NT is a neck-through 5-string with swamp ash body, buckeye burl top and Noll 3-band electronics. Bolt-on or neck-through; 21/24 frets or fretless. Handbuilt to custom order by Bert Gerecht (Hot Wire Bass, Desloch, Germany, est. 1999); woods, pickups, electronics and scale configurable. Starting price EUR 1,798 (ex-VAT export price); custom builds quoted individually.
| Construction | Bolt-on or neck-through |
| Strings | 4, 5, 6 |
| Body | Swamp ash, optional burl top |
| Neck | Maple and sapele mahogany |
| Fingerboard | Rosewood, maple, pau ferro or ebony |
| Neck Pickup | Hot Wire W-Bucker |
| Bridge Pickup | Hot Wire W-Bucker |
| Controls | Noll 3-band active |
| Made In | Germany |