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10kW EIRP Complete FM Radio Transmitter Broadcasting System
How Far Will 10kW Reach?
10000W EIRP is a formidable power level, this is just over 6kW ERP which is the power level required by the FCC for a class B1 and C3 stations. You can calculate EIRP and ERP along with antenna gain online here. According to our customer reports distances of up to 138km have been achieved in some directions using 10kW EIRP. In reality on average terrain with average quality radio receivers the normal usable distance would be about half this. For more accurate distance predictions we can make you a radiation plot using satellite elevation data like these
1kW FM Stereo Transmitter
The crisp clear FM signal starts in this unit which provides 1000W super clean output in stereo with audio processing and limiting. For a small, but with a need to be quite powerful radio service, a big town for example, this transmitter is just the ticket with everything required included. More info on the 1000W Transmitter
The Aareff 'Plug-and-Play' Advantage
| System Component | Engineering Specification | Broadcaster Benefit |
|---|---|---|
| 1W FM Exciter | Internal Veronica PLL Driver | Ultra-low noise, high stability, and zero frequency drift. |
| Audio Processing | Integrated Limiter & Compressor | Prevents illegal over-modulation while ensuring loud, crisp audio. |
| Dynamic RDS | Fully Programmable via USB | Displays your Station Name and Artist info directly on car radios. |
| Antenna & Cable | 0dB Dipole + 12m RG58/CU | 1:1 match guarantees exactly 1W EIRP radiation (No tuning needed). |
12 dBi Gain, Eight Antennas: Calculating Effective Isotropic Radiated Power (EIRP)
Antenna Power Multiplication
This eight-way antenna transforms transmitter power by over 10 times to the final EIRP, even after cable losses.
• EIRP Definition: The signal radiated is Effective Isotropic Radiated Power (EIRP).
• Significance: The signal voltage at the horizon is effectively identical to a much higher-powered transmitter using a single dipole.
The power is effectively identical, hence the name Effective Isotropic Radiated Power (EIRP).
Integrated Dynamic RDS (Radio Data System)
RDS is now included on all stereo transmitters with audio processing. RDS shows your station name and more scrolling across the car radio display.
This 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 can be programmed to 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.
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Do You Have A Question?
PACKAGE CHECKLIST
| Qty | Description | Item |
| 1 | FM Stereo Driver with Audio Processing |  |
| 1 | 1000W FM Power Amplifier |  |
| 1 | LMR400/600 40m /131ft Cables |  |
| 1 | All Other Connecting Cables |  |
| 8 | Broadband High Power Folded Dipole Antenna with Tower Mounting Clamps and RF Splitters |  |
|
LIMITED WARRANTY |
40m (130 Ft) LMR-600 Coaxial Cable: Flexible Options & Low Loss
LMR-600 Specifications and Performance.
The standard 40-meter (130 ft) run of LMR-600 coaxial cable is chosen for its high specification and efficiency:
• Low-Loss Guarantee: Features just over a fraction of 1dB loss for 40mt at 100MHz, ensuring minimal power waste.
• Default Cable Type: The supplied cable is robust yet flexible, significantly easing the installation process.
Customization and Length Flexibility.
We offer options to meet specific installation needs and professional preferences:
• Rigid Cable Preference: If your installation requires a more rigid cable type, we can change the system upon request at no extra charge.
• Extra Length: If 40m is not sufficient in length, we will provide a quote for the additional length at a small cost.
10kW Maximum FM Transmission Range Chart: Real-World Listener Data
Understanding Typical Broadcast Coverage
The following range chart is derived from real-world customer reporting, providing a reliable baseline for expected broadcast coverage. This data reflects the typical distances recorded by professional and community stations utilizing our 1W EIRP systems.
- Data Source: Based on average customer signal reports across various geographical environments.
- Verification: Reports are compiled from direct listener communication (phone, text, WhatsApp) to radio stations operated by Aareff customers.
- Zero-Failure Promise: Because this system is perfectly impedance-matched (1W Transmitter to 0dB Dipole), it ensures exactly 1W EIRP is radiated, maximizing range without equipment strain.
It is important to understand that FM transmission range is influenced by numerous variables (e.g., terrain, antenna height, atmospheric conditions, local noise floor). For a detailed breakdown of the factors affecting signal propagation, refer to our dedicated guide on FM Transmission Range.
FM Stereo & Processing: Loud, Crisp Broadcast Quality
The Veronica® system is engineered to deliver a high-impact audio signature. Whether you rely on our internal high-performance processing or your own external rack equipment, our architecture ensures absolute signal integrity.
| Processing Stage | Technical Advantage & Function |
|---|---|
| The Signal Foundation | Utilizes the renowned Veronica® 1W Exciter. This PLL-driven foundation prevents frequency drift and ensures a super-low noise floor for professional carrier integrity. |
| Internal Audio Chain | Includes an Internal Stereo Coder for wide separation and a Dynamic Audio Processor. These boards apply precise limiting and compression to deliver a 'loud and crisp' commercial sound. |
| Professional Bypass | Engineered for flexibility. The internal limiter and stereo coder can be completely disabled to accommodate external processors such as Orban, Inovonics, or PC-generated MPX/RDS signals. |
| Chief Engineer Control | Allows the station's engineering team to maintain their specific 'processing signature' by providing a transparent path for the external MPX baseband signal. |
DECLARATION OF CONFORMITY
European Union
We hereby declare that this equipment complies with;
• ETS 300384 European Telecommunications Harmonised Standard when used with an audio compressor limiter supplied and tested by Aareff
• EN 301489-11 V1.3.1 (2006-05) EMC Electromagnetic Compatibility when used with 1 meter AC mains cord supplied. If the installation engineer needs to extend this cord, this and the audio input cable should be no more than 3 meters in length to remain in compliance with EMC directive.
• 2006/95/EC Directive (2006-12) LVD Low Voltage Directive.
Equipment compliance is possible using equipment from and in conjunction from other manufacturers, but since this is beyond the control of Aareff Systems, Aareff Systems cannot or be expected to guarantee compliance in this situation.
United States
The following list are the FCC technical requirements for FM broadcasting. We confirm and verify that this transmitter complies with the technical requirements.
47 CFR Chapter I Federal Communications Commission sections:
• 73.1560, 2.1046 RF Power
• 73.1545, 2.1055 Frequency Stability
• 73.317, 2.1049 (e)(3) Emission Limitation, Emission Mask
• 73.317, 2.1057, 2.1051 Emission Limits, Spurious Emissions at Antenna Terminal
• 73.317, 2.1057, 2.1053 Emission Limits, Field Strength of Spurious Emissions
