This manual describes how to install and use the AKG 290150ML microphone. It provides the necessary information to ensure that you get the best possible results when using the microphone.
This manual provides step‑by‑step instructions for safely installing the KEF KHT9000 speaker system. It includes multilingual safety notices, unpacking guidance, and detailed instructions for wall‑mounting, stand‑mounting, and satellite positioning.
The document also lists the technical specifications of the KHT9000, such as drive units, crossover frequencies, amplifier requirements, and recommended mounting formats to ensure optimal acoustic performance across the system.
| Model | KHT9000 Satellite / Centre Channel |
|---|---|
| Drive Units | 165mm UNI‑Q® array with 19mm aluminium dome |
| Crossover Frequencies | 400 Hz, 3 kHz |
| Frequency Range | 75 Hz – 27 kHz (± 3 dB) |
| Amplifier Requirement | 30 – 150 W |
| Sensitivity | 88 dB (2.83 V/1 m) |
| Maximum Output | 111 dB SPL @ 1 m |
| Impedance | 8 Ω |
| Net Weight | 9.9 kg |
| Dimensions (Satellite) | 555 × 250 × 125 mm (H × W × D) |
| Dimensions (Centre) | 250 × 555 × 125 mm (H × W × D) |
| Finish | Silver |
Do not cut through electric cables, water or gas pipes, and make sure all cables are securely fixed. Also avoid damp, direct sunlight, and temperature extremes.
KEF recommends using the same mounting format (wall or stand) for all speakers in the system to achieve a consistent timbre.
The speakers require an amplifier that can deliver between 30 and 150 watts.