This document is the user manual of HA3000/HA4000, which introduces the features and characteristics of the products, including introduction, features, guided tour, front panel, rear panel, setup and use, equalization and shape
The Hartke HA3000 and HA4000 are bass amplifiers optimized for electric bass instruments. The HA3000 provides 300 watts of power into 4 ohms, while the HA4000 provides 400 watts and includes advanced features like parametric equalization and a dedicated subwoofer output. Both models feature dual independent inputs, dual speaker outputs, and fan-cooled construction.
| Power (HA3000) | 300 watts into 4 ohms |
|---|---|
| Power (HA4000) | 400 watts into 4 ohms |
| Speaker Outputs | 4, 8, or 16 ohm bass cabinet(s) |
| Fuse (115V) | 5A/250V |
| Fuse (230V) | 2.5A/250V |
Connect it to Input 1, which is designed to handle low-level signals.
Connect it to Input 2, which employs a 10 dB pad and is designed to handle hotter bass pickup signals.
The minimum impedance of all connected speakers must not go below 4 ohms.