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Plena System Pre-Amplifier
Product Features
- Six-zone system pre-amplifier, with single or dual channel operation
- Two input channels for call stations
- Universal input for microphone/line, with speech optimized tone control
- Three inputs for BGM selection and music optimized tone control
- Front panel zone selection for BGM and call station zone selection for calls
Technical Specification
| Mains power supply | |
| Voltage | 230/115VAC, ±15%, 50/60 Hz |
| Current inrush | 230/115 VAC, 1.5/3 A |
| Max power consumption | 25 VA |
| Battery power supply | |
| Voltage | 24 VDC, +10% / -15% |
| Current max | 1 A |
| Performance | |
| Frequency response | 50 Hz to 20 kHz (+1 / -3 dB) |
| Distortion | <0.5% |
| Bass control | ±10 dB @ 100 Hz |
| Treble control | ±10 dB @ 10 kHz |
| Channel separation | >70 dB @ 1 kHz |
| Priority mute | >40 dB |
| Dynamic range | 100 dB |
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