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Nautel VX1.5



1.5kW FM Transmitter

Contact BSW for your pricing and shipping!

The Nautel VX Series of transmitters is a range of compact, solid state FM transmitters focused on maintainability, power density, and affordability.

Contact BSW for your pricing and shipping!

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  • Main Features:
  • Analog FM transmitter*
  • High power density
  • Compact size: 2 RU height, 50.8 cm/20” depth
  • Greater than 70% efficiency
  • Single phase AC
  • Orban Inside Audio Processor (option)
  • Solderless power amplifier replacement
  • Hot-swappable PA power supply
  • Removable, washable air filter
  • Front supported chassis for rail-free rack installation
  • Maintainable with common tools
  • Specifications:
  • Rated Output Power: 1500 W
  • Output Power Range: 150-1650 W
  • Power Amplifier: 2
  • PA power supply 1
  • Pre-Amplifier 1
  • Pre-Amplifier power supply 1
  • Exciter/Controller: Integrated
  • RF Output Connector: 7/16 DIN, female
  • RF Terminating Impedance: 50 ohms unbalanced
  • RF Load VSWR:
  • 100% Rated Power into 1.5:1 VSWR
  • 110% Rated Power into 1.2:1 VSWR
  • Automatic power reduction into higher VSWR
  • Protected from open and short circuits at all phase angles
  • RF Frequency Range: 87.5 MHz to 108 MHz in 10 kHz steps
  • Tuning: No tuning required
  • Spurious and Harmonic: ISED specification BETS6 Issue 2
  • Exciter/Controller:
  • Integrated analog FM exciter using direct-to-channel digital modulation
  • Built-in RDS encoder, SCA encoder, and stereo generator
  • Audio Sources:
  • 2 x AES
  • Analog L/R
  • 2 x Wideband (suitable for composite, RDS, or SCA)
  • Audio Backup: Automatic changeover to backup audio source in the event that main audio source fails
  • FM Signal-to-Noise Ratio: Digital or Analog Stereo Input: 80 dB below 100% modulation (reference 400 Hz, measured in 22 Hz to 22 kHz bandwidth with 75 µs deemphasis and DIN 'A' weighting)
  • FM Signal-to-Noise Ratio: Monaural Digital/Analog or Wideband Composite Operation: 90 dB below 100% modulation (reference 400 Hz, measured in 22 Hz to 80 kHz bandwidth with 75 µs deemphasis and DIN 'A' weighting)
  • Voltage: 185-265 VAC, 1-ph, 47-66 Hz
  • Power Consumption at Rated Output Power: 2046 W (2067 VA) Typical
  • Typical Efficiency: 73%
  • Power Factor: Unity Power Factor Corrected (0.99 typical at 208 VAC)
  • Power Line Harmonics:
  • IEEE 519-2014
  • EN 61000-3-2
  • SNMP:
  • Allows VX Series to be set up as part of a network and monitored remotely via a single control point
  • SNMP v2c
  • Remote AUI: Remotely connect to a VX transmitter via Nautel's HTML5 Advanced User Interface (AUI). Remote connectivity allows for setting of operating parameters and viewing the transmitter status from any web enabled device.
  • Email Notification: Automatically receive email notifications when an alarm has been activated.
  • Asynchronous AM S/N Ratio: Better than 60 dB below reference carrier with 100% amplitude modulation using 75 µs de-emphasis (no FM modulation present)
  • Synchronous AM S/N Ratio: Better than 50 dB below reference carrier with 100% amplitude modulation using 75 µs de-emphasis
  • Local Interface (Front panel LCD):
  • Presets
  • Logs
  • Status (meters and active alarms)
  • Status: Fault LED for status summary
  • Remote Interface (AUI):
  • HTML5, responsive design supports desktop, tablet, and smartphone
  • Software upgrades
  • Presets
  • Remote I/O Setup
  • Status (meters and active alarms)
  • Audio Levels
  • Audio Spectrum Analyzer
  • *Please consult a broadcast engineer/BSW to determine if this unit is right for your application and you are meeting all of the appropriate legal requirements. You can review the FCC regulations on LPFM and unlicensed usage below.