This manual describes the installation and use of Plena power amplifiers.
These Installation and User Instructions are intended for installers and users of the Plena Power Amplifier system. They describe the purpose, safety precautions, and the related documentation needed to correctly install and operate the equipment.
The manual covers system overview, amplifier models, front and rear panel connectors, supervision functions, technical data, and power consumption. It also includes important safety alerts, conversion tables, and environmental specifications required for reliable operation.
| Mains voltage | 230/115 V AC, ±10%, 50/60 Hz |
|---|---|
| Battery voltage | 20.0 to 26.5 V DC |
| Frequency response | 50 Hz – 20 kHz (+1/‑3 dB @ -10 dB) |
| Distortion | < 1 % @ rated output, 1 kHz |
| Signal‑to‑noise ratio | > 85 dB (flat at max volume) |
| Operating temperature range | -10 °C to +55 °C |
| Dimensions (2‑unit model) | 100 mm H × 250 mm D, 19 in W |
The Important Safety Instructions (document 9922 141 7014x) must be read before installing or operating the product.
The unit operates on 230 V or 115 V AC, ±10 % tolerance, at 50 Hz or 60 Hz.