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1kW Professional FM Broadcast Power Amplifier

1000W Professional FM Broadcast Amplifier. Overview
5 Years! Warranty

Inc. Delivery to UNITED STATES

This amazing piece of robust engineering is at the heart of all our huge and powerful EIRP systems. We stack the 1kW amplifiers up like Lego bricks and they operate day in, day out 24/7 without batting an eyelid. Strong and robust is an understatement to the physical construction and RF performance of these amplifiers. 1kW is a typical power level for signal penetration of buildings in densely constructed cities

1kW Professional FM Broadcast Power Amplifier. Wide View

AMPLIFIER 90-260 V AC 1000W FM 19 INCH 3U RACK MOUNT (1000wntap)
US$ 2786

1 Watt Drive (can be more on request!)

All our amplifiers use a standard input of 1W. This means for 1W of drive power this amplifier will produce 1000W of RF output 24/7 whilst maintaining international technical standards.

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

The final output section of this model uses a BLF188XR, they say the XR means 'eXtremely Rugged' This LDMOS RF power transistor is designed for the toughest engineering environments and is capable of withstanding a severe load mismatch with VSWR greater than 65:1 at 5 dB of compression. The BLF188XR is actually capable of providing an outstanding 1600 W of peak output power and still pass extreme ruggedness testing. For ultra reliability we just run it at 1kW maximum. It can be set at lower power levels, right down to 10W if required.

High Stability

Our transmitters and amplifiers maintain their power and spectrum purity consistently, even if there is a VSWR mismatch, temperature fluctuation, or incorrect supply voltages. These devices are designed to perform reliably in challenging environments while still meeting the International Telecommunications Union (ITU) standards without fail.

Global Voltage Compatibility

All AC version of this product is truly globally compatible, you can plug it into any AC outlet in the world from 90 to 260V at 50 or 60Hz


The model will work with our 50 ohm antennas listed below:

Vertical 5/8 Wave
4 Way Stacked Dipole
8 Way Stacked Dipole
Circular Dipole
Folded Dipole

Do You Have A Question?

Email Address

Phone Number


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. 1000 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 1400W Continuous for 1000W 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


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