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100W Professional FM Radio Transmitter



100W Professional FM Radio Transmitter. Overview
5 Years! Warranty
5 YEARS
LIMITED WARRANTY
MORE INFORMATION

Inc. Delivery to UNITED STATES


Like all our transmitters, this has a simple looking exterior, inside is another story. The 100 watt transmitter has a very high specification and is more than a match in technical quality to any of the other professional broadcast transmitters on the market at much higher prices. By not including frills and other gimmicks that don't improve the sound quality or reliability, we can make this transmitter at a price that is affordable. This and the previous model have been on the market for over 20 years !! and have endured countries of the world with the worst environments and the hottest climates and worked flawlessly without any problems.



Which Version Do You Need?

These are the two main versions of this transmitter:

◼ Stereo with RDS and Audio Processing Version

◼ MPX Version

These two versions cover 90% of all customer requirements. Other custom versions are available such as stereo only, no RDS, no processing etc. which we can also make if that's what you require.

You will find these two main versions shown in detail in the two following sections with descriptions of what they do and how they work. You should also see the price, INCLUDING delivery, to your country.

If you are still unsure, you are always welcome to contact us at em: info@aareff.com or ws: +1 829 6980733 and we're more than happy to advise you.



Stereo, RDS and Audio Processing Version


100W FM STEREO TRANSMITTER, AUDIO PROC AND RDS (100wpllsl19p)
US$ 1540

If you are not sure which version you want, then you definitely need this version. It is perfect for beginners because it adjusts the audio levels automatically and keeps the 100 watt transmitter within the legal specifications required by the state regulator.

This version is also ideal for professionals who just don't need the all the hassle. This is because it includes everything in one enclosure. The audio processing keeps the audio level 'LOUD', but not too loud whereby it causes over deviation and contravenes your permit. The trick is to get the sound as loud as possible so you can compete with the other stations on the dial, but at the same time keeping your signal legal. This is a tricky balance to maintain, but this version in stereo with our internal audio processers does exactly this.


100W Professional FM Radio Transmitter Stereo Audio and Processing

In addition, this version INCLUDES RDS. This allows everybody to see your station name and more scrolling across the car radio display.

The RDS is not just ordinary RDS, it is fully programmable dynamic RDS. This means the transmitter can be connected to a PC by a USB cable. The transmitters RDS circuit will pick the Artist and Song name from any folder on the PC disk drive. This folder is easy to set up in the DJ playout software, like Zara Studio etc. You can find more information about this in the Aareff RDS User Manual.



Super Silent ADDED Option

What is SUPER SILENT? it means it's as quiet as a mouse and can use it in a live mic studio without background noise. The video demonstrates the 100 watt transmitter, but it is exactly the same for the 30 and 50 watt units.

If you want SUPER SILENT option, MAKE SURE YOU ADD IT AS AN OPTION in the price panel below.

SUPER SILENT means less 20dBA, this is comparable to a low level whisper in a studio, the chances are other equipment, air con or studio ventilation is higher in volume.

Super Silent Transmitter YouTube Banner Image

SUPER SILENT (<20dBA) STUDIO MIC FRIENDLY OPTION (s-silent)
US$ 89.07


MPX Input


100W FM COMPOSITE MPX INPUT TRANSMITTER (100wpll19p)
US$ 1181

We have this version available for Users with experience that prefer straight raw MPX input.

Low frequency audio response is the holy grail for multiband audio processors, they need it.

As you can see from the image, the 160Hz square wave is very square with no tilting making it perfect for use with Orban, Inovonics, Omnia, Stereo Tool and other commercial audio processors.


100W Professional FM Radio Transmitter MPX 160Hz Tilt Test with MPX Tool


12V and 48V DC Option

The regular version of this unit is 90 to 260V AC. However we can also manufacture it for 12V or 48V DC. To the best of our knowledge, in the entire world, Only We Make 12V DC FM Broadcasting Transmitters and Amplifiers up to RF Power Outputs of 250W.

Applications include mobile setups where only a car or vehicle battery is available. We have a perfect Magnetic Mount FM Antenna for mobile setups. Also fixed installations with connection to solar battery systems of 12V and 48V DC

We default ship the AC version. If you want the 12 or 48V DC version, it's important you notify us by email when you make your order.

12V DC 100W FM Transmitter

Antennas

This transmitter can be used with any of the following antennas:

    • SINGLE DIPOLE
    • 4.8dBi 2 DIPOLES
    • 7.8dBi 4 DIPOLES
    • 10.8dBi 8 DIPOLES
    • 4.8dBi 5/8 ANTENNA
    • CIRCULAR DIPOLE
    • FOLDED DIPOLE
    • MAG MOUNT

Our system package the 250W EIRP system includes this transmitter with a 2 way stacked dipole antenna and 20mt of low loss LMR400 cable to give you a full system that will comply with the regulations of the European Union and most other countries in the world.



VSWR Protection

This transmitter is FULLY PROTECTED and under severe load mismatch conditions (poor SWR, Return Loss) the amplifier will automatically foldback the power to a safe level to protect itself, the antenna and cables from damage. When the load becomes good, full power automatically restores. On the front panel is a neat little meter lit up with intense blue LED's to indicate forward and reflected power and a true frequency counter. The amplifier is fully protected from bad SWR and reflected power for any duration of time.



Temperature Protection

This unit is designed with high reliability in mind. The cooling system incorporates. Two 60 mm fans keep the heatsinks in this unit cool to touch by hand, even when we tested it in Spain in summer at ambient temperatures in excess of 40 deg C. To maintain long term RF Output reliability the linear power amplifier is fitted with a 150 watt Mosfet Device. Due to this design the 100 watt transmitter is capable of Non-Stop Operation anywhere in the world with high reliability.



Construction

The enclosure is made in strong 16 gauge steel, powder coated and baked in satin black. This leaves a tough, durable surface that will never rot or corrode and be cleaned to shine for decades. The front panel is 19 inch across and 2U (3.5 inch) high with a depth of 12 inches, so it will fit with ease into a standard rack. It is very strong and difficult to damage even under extreme handling.



Configuring Power, Dev. and Freq.

The frequency, power level and deviation is easy to set using the integral frequency counter and controls on the underside panel. More information on this in the user manuals shown in the link below.



Compliance

The stereo version with audio processing and limiting meets all the regulatory standards required out of the box and pre configured. In fact if you send us a copy of your permit and it's conditions, we will set it up exactly to the specification. This equipment complies with EU/CE harmonised standards and FCC technical requirements for FM broadcasting. More information HERE

User Manual



RF Specification

All stated measurements were made at 220VAC at 27 Deg. Celsius ambient temperature unless stated.

Power Output Adj. 1-100 Watts into 50 ohms
Spurious Emissions Less than -75 dB ref to carrier
Harmonic Emissions Less than -70 dB ref to carrier
Freq Stability +/- 1 KHz max. typ. +/-300 Hz
Deviation Sensitivity Stability +/-2 % max
Freq Fine Adj > +/- 1000 Hz
Freq Range 87.5 to 108 MHz in 100 KHz steps
Out of Lock RF Muting Less than -70 dB ref to carrier
Residual AM Less than 0.5 %
Synchronous AM Less than 0.5 %
RF Ruggedness Any VSWR phase or length of time
Output Connector N-Female
Operating Temp -20 to +40 Deg C


AF Specification


Pre-emphasis (50 uS/ 75 uS/ None) Selectable
Audio Input Connector Phono/ RCA type unbalanced sockets
Audio Input Sensitivity +4 dBu for +/- 75 KHz dev.

Version MPX Stereo and Audio Processor
Signal To Noise Ratio 80dB 65dB
Frequency Response 30Hz-76KHz 30Hz-15KHz
Audio Distortion 0.2% THD Max 0.2% THD Max (at MPX section)


AC Specification


Input Voltage 90-264 V AC 135-370 V DC 47-63 Hz
Input Power 200W for 100W 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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