X.DA-50
50 kW AM Transmitter50 kW AM transmitter from the X.DA series for maximum national coverage broadcasters. Three high-capacity rack cabinet configuration. Fully redundant modular architecture — any single module failure reduces power gradually without interrupting transmission. HD Radio® (IBOC) and DRM compatible. Operable at altitudes up to 4,000 m.
The X.DA-50 is the flagship of the X.DA series: a 50 kW solid-state AM transmitter for maximum national coverage and long-distance broadcasting. Its 66 independent 1 kW power stages, distributed across three high-capacity rack cabinets, ensure that a single module failure reduces output power gradually without interrupting transmission; the affected module is replaced individually without specialist tools. Rated for altitudes up to 4,000 m above sea level, the X.DA-50 is built for the high-altitude mountain transmitter sites common across Latin America and the Andes. A frequency response of ±0.5 dB from 20 to 15,000 Hz, HD Radio® and DRM compatibility, and full digital protections are all standard.
Technical Specifications
| Carrier power | 50 kW |
| Power reduction | 4 pre-set adjustable levels |
| Frequency range | 535–1705 kHz |
| Frequency stability | ± 5 Hz |
| Load impedance | 50 Ω (VSWR ≤ 1.6:1) |
| Audio input | +10 dBm at 100% modulation / 600 Ω balanced |
| Frequency response | ± 0.5 dB, 20–15,000 Hz |
| Harmonic distortion (THD) | < 1% at 95% modulation |
| Intermodulation distortion | < 2% (60 Hz – 7 kHz, 2:1) |
| Carrier shift | < 1% |
| Signal-to-noise ratio | ≥ 62 dB |
| Spurious radiation | ≤ −80 dB |
| Modulation capacity | > 130% positive peak |
| Efficiency | 85% under normal operating conditions |
| Power factor | 0.95 ind |
| Output connector | EIA 1-5/8" |
Power Supply
| Voltage / Phases | Max. current | Consumption |
|---|---|---|
| 220/110 V 3φ | 250 A | 100 kVA |
| 380/220 V 3φ | 150 A | 100 kVA |
(*) At 100% modulation, 50–60 Hz. Tolerance ±5 %, ±10 %.
Physical & Environmental
| Dimensions (W × H × D) | 2625 × 2083 × 875 mm |
| Operating temperature | 0°C – 50°C |
| Relative humidity | 0 – 95% |
| Operating altitude | up to 4,000 m a.s.l. |