This document introduces the features and usage methods of the Hartke Acoustic Attack acoustic pre-amp/DI product.
The Hartke Acoustic Attack is a high-quality preamplifier and direct box designed specifically for acoustic instruments such as guitars, mandolins, and violins. It features a tube pre-emulation circuit to warm up recordings and live sound, an active three-band equalizer with a sweepable mid-range notch filter to reduce feedback, and a PAD switch for compatibility with various pickup types. The unit is built with a rugged aluminum extrusion and steel chassis for reliable performance in studio or live environments.
| Input Jack Type | Standard 1/4-inch input jack |
|---|---|
| Direct Output Type | XLR balanced output connector |
| Mid-Range Frequency Range | 170 Hz to 4 kHz |
| Power Options | 9-volt battery, DC adapter, or 48-volt phantom power |
It is designed specifically for acoustic instruments such as acoustic guitar, mandolin, or even violin.
Use the sweepable mid-range frequency control with the 'notch' cut feature to help reduce feedback.
If you hear buzzing, you should switch to battery operation to isolate the grounds and avoid ground loop problems.