500W FM Transmitter
AFM-500 has one of the industry’s clean transmitters and an ultra-low distortion modulator for which go to make it a highly stable FM transmission system. Clean and market leading audio performance that will crush the competition

2U 19” rack unit
4.3 inch TFT display
Rotary encoder
0-500 W adjustable RF output
FM receiver built-in
Powerful ALC circuitry
Remote interface
Antenna fault protection
Slow rising RF output
RF Power timer
Audio Squelch (10-999 sec)
Password protection
Real time Log
Low RF, Low MPX, High temperature,
High SWR, VCO lock alarms
10/50/100kHz tuning steps
RDS built-in (opt.)
Audio monitoring through TCP-IP,
UDP (opt.)
AES/EBU input (opt.)

TECHNICAL SPECIFICATIONS

Frequency                                               87.5 -108 MHz
Modulation                                             FM, 75kHz peak (180KF3E/256KF8E)
PLL Tuning Steps                                  10/50/100 kHz
Audio input level                                   -3.5 to +12.5dBm @75kHz deviation
Ext. MPX input level                            -3.5 to +12.5dBm @75kHz deviation
AUX input level                                     SCA, -12.5 to +3.5dBm @7.5kHz deviation
RDS, -24 to -8 dBm @ 2kHz deviation
Modulation distortion                          < 0.03%, @75kHz dev.
MPX input Freq. Response                 ± 0.1dB, 30Hz-100KHz
Pre-emphasis                                         0 (FLAT), 25,50,75 uS selectable
Rated RF output power                       500W continuous
RF power ALC stability                       ±3
RF output connector                            N type 50Ohm
Audio freq. response                            30-15kHz, ±0.1dB
S/N Ratio, Mono operation                30-20kHz, >78dB
CCIR, >81dB
S/N Ratio, Stereo operation               30-20kHz, >75dB
CCIR, >80dB
Harmonic & spurious                         <70dB harmonic, <80dB spurious
Power supply                                        Single phase, 90-264VAC, 50/60Hz
Power consumption @500W              700W max.
Efficiency                                               >75%
Operational temp. range                   0 to 35°C (-10 to +45°C extreme)

Dimension (WxHxD)                         483x88x595 mm
Weight                                                   13,5 kg