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50W Professional FM Broadcast Power Amplifier
- 1W INPUT FOR 50W OUTPUT
- LOW DRIVE, HIGH GAIN
- 12V, 24V, 48VDC or 90-260VAC OPTION
- SUPER SILENT OPTION
- INCLUDES SHIPPING
- 5 YEAR WARRANTY
- EXCEEDS CE/FCC TECHNICAL SPECIFICATION
- ROBUST STEEL ENCLOSURE
- BUILT TO LAST
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LIMITED WARRANTY |
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1 Watt Drive (can be more on request!)
Our amplifiers have a uniform input requirement of 1W. In other words, when driven with 1W of power, this amplifier is capable of producing 50W of RF output continuously, while still adhering to global technical regulations.
If you require a different input power level, no problem, we can do that easily. Just email or message us in the box below for more details.
Temperature Resilience
The first version of this unit was designed for use in the middle of East Africa, so we had to make it good, in fact not just good, amazingly good. We didn't disappoint our client, it was installed 5 years ago and is still fully operational, running day in and day out in the heat of Africa. If the ambient goes beyond 40C, the internal temperature protection starts to back off the RF power, gently, not any abrupt cut out, just a little to keep the internal temperature below 70C.
VSWR Resilience
Under severe load mismatch conditions (poor SWR, Return Loss) the unit automatically folds back the power to a safe level to protect itself, the antenna and cables from damage. When the load becomes again, full power restores automatically and instantly. The front panel has a forward and reflected power meter, so you can monitor the state of your antenna all the time.
High Stability
Regardless of high temperature, high VSWR poor antenna and mismatch conditions or poor AC power, the power level of 50W will remain stable all the time and the RF signal will never pollute the spectrum with instabilities. The output amplifier in this unit is designed to work in hostile conditions and environments. The BBC, British Army and US Army Delta Company all purchased these units for use in Iraq and Afghanistan.
Global Voltage Compatibility
The AC version of this product is genuinely universal and can be used with any AC outlet worldwide, supporting a voltage range of 90 to 260V at a frequency of either 50 or 60Hz.
Antennas
The model will work with our 50 ohm antennas listed below:
Vertical 5/8 Wave
Single Tuned Dipole
2 Way Stacked Dipole
4 Way Stacked Dipole
8 Way Stacked Dipole
Circular Dipole
Folded Dipole
Do You Have A Question?
Compliance
This amplifier complies with EMC, Voltage Safety and RTTE Harmonised Standards laid down by the European Union. It's CE marked with a Declaration of Conformity. More information HERE
All stated measurements were made at 220VAC at 27 Degrees Celsius ambient temperature unless stated.
| User Manual | Click Here |
| RF Power Output | Adj. 50 Watts into 50 ohms |
| Power Input | 900 to 1400mW (1.4W MAX.) |
| Spurious Emissions | Less than -75 dB ref to carrier |
| Harmonic Emissions | Less than -70 dB ref to carrier |
| Freq Range | 87.5 to 108 MHz |
| Residual AM | Less than 0.5 % |
| Synchronous AM | Less than 0.5 % |
| RF Ruggedness | Any VSWR phase for length of time |
| Output Connector | DIN-716 |
| Input Connector | BNC |
| Operating Temp | -20 to +40 Deg C |
| AC Input Voltage | 90-264 V AC 47-63 Hz |
| AC Input Power | 90W Continuous for 50W RF OUT with RF SWR less than 1.5 |
| Working Humidity | 20-90% RH non-condensing |
| Safety Standards | UL60950-1 TUV EN60950-1 BSMI CNS14336 CCC GB4943 J60950-1 approved |
| EMC Emission | Compliance to EN55022 class B EN61000-3-2 3 FCC PART 15 / CISPR22 class B CNS13438 class B GB17625.1 |
| EMC Immunity | Compliance to EN61000-4-2 3 4 5 6 8 11 light industry level criteria A |
