High Power TXN Series FM Transmitters

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  • Frequency: 87.5-108 MHz
  • AES, MPX, and Analog Audio Inputs. Stereo Encoder, RBDS/RDS Generator, and SCA
  • Extensive monitoring via Ethernet and Remote Samples
  • Air or Liquid Cooled Options

RF Characteristics

Model TXN-10k, TXN-15K, TXN-20K, TXN-25K, TXN-30K, TXN-40K, TXN-60K

Output Impedance

50 Ω

Frequency Range

87.5 – 108.0 MHz (± 1 kHz stability)

Nominal Output Power

Model dependent | 10 kW - 60 kW models

Output Connector

3-1/8", 4-1/16", 6-1/8" EIA (other sizes available)

Spurious Emissions

Compliant to Industry Canada BETS-6 and FCC 73.317

Operating Modes FM, FM+HD, HD Only, DRM
Synchronous AM SNR >50 dB
Asynchronous AM SNR >60 dB


AC Input Voltage

200 - 250 VAC 50/60 Hz Single or Three Phase

Overall Efficiency

> 68% (analog)

PA Efficiency

> 78% (analog)


Remote Port


RF carrier on/off, Reset



Forward/reflected RF level, control PCB Vcc



VSWR, Current, Voltage, Forward Power



RF carrier on/off, Reset



Forward/reflected RF level, DC pallet voltage, RF input level, temperature, VSWR trip point, model



Carrier on/off, amplifier overdrive, DC pallet voltage, VSWR, RF input level, temperature, AGC/manual status

LCD Display Monitor:  Forward/reflected RF level, DC pallet voltage, RF input level, pallet current
Flags: VSWR, Current Voltage, Forward Power

Physical Features


22"W x 38" D x 83" H (10k-30K)

47" (W) x 38" (D) x  83” (H) (40K-60K)

Lightweight Enclosures


Operating Temperature

0 to +59° C


90%, non-condensing


Audio Characteristics:

Left-Right Analog Operation

Input Impedance

600Ω, 10 KΩ  (selectable from front panel)


Input Connector

XLR (balanced)

Input Level Max

+10 dBm +/- 2dB (others available)

Harmonic Distortion

<1% (50 Hz-15KHz)


S/N Ratio

> -60dB FM noise, >-50dB AM noise



25, 50, 75μS, or flat response (selectable)

MPX Operation Input Impedance
10 KΩ  Unbalanced
Input Connector BNC
Harmonic Distortion
<1% (50 Hz-15 KHz)
S/N Ratio > 65 dB
SCA Operation Number of Inputs 2
Input Connector BNC Female
Input Level +10 dBm Nominal
Frequency Range 57 to 93 kHz
Digital Audio


XLR, 3-position, Female


Download PDF - FM Amplifiers


Note: This product price does not include shipping expenses. This product ships via freight. The shipping cost will be calculated and invoiced separately after checkout. An AAT team member will contact you after checkout to determine the operating frequencies and shipping preference.