Warranty

Classic FM 300 watt
Frequency Range …………………………………….87 to 108mHz (Japanese frequency available 74 to 90mHz)
Frequency Setting…………………………………….Front Panel
RF-Output……………………………………………..50 Ohms unbalanced
VSWR………………………………………………….2.0:1 Maximum with automatic fold-back at higher VSWR
Frequency Stability…………………………………...Better than +/- 2kHz over operating range
Modulation Type……………………………………...Direct frequency modulation of carrier (typical +/-200Hz)
Modulation Indication………………………………..LED indicators with peak indicators
FM S/N Radio (FM noise)…………………………….Better than 60dB (70 to 80 dB typical)
Asynchronous AM S/N Ratio…………………………Better than 50dB referenced to 100 modulation @ 100Hz de-emphasis
Synchronous AM S/N ratio…………………………...Better than 50dB with 100% modulation (typical >60dB)
RF Harmonics/Spurious Products…………………...Better than –70dB (-80dB typical)
RF bandwidth…………………………………………+/-120 kHz, better than –25dB, +/-240 kHz better than –35dB
Temperature Range…………………………………...0 to 50 degrees C
Humidity Range……………………………………….0 to 80% @ 20 degrees C (non condensing)
Maximum Altitude…………………………………….10,000 ft (3,000m)
AC Power………………………………………………100 to 120 or 220 to 240 AC +/-10%, 50 to 60Hz
Power Factor…………………………………………...Greater than 97% (lagging)
DC power……………………………………………….36 to 72VDC
Power consumption ..................................……………..700VA
Regulatory Notification for FCC part 73 and 74…….Meets FCC Requirements
RF output connector…………………………………...Standard type N, 50 Ohm
Chassis Dimensions ................................…….………...25 x 16.5 x 17.5 inches (13.4 x 41.9 x 44.5 cm)
Weight ...............................................…………………..33lbs
Heat output .........................................……….………...400 BTU
Warranty………………………………………………..5-Year
Wide Band composite operation
- Composite Inputs…………………1
- Composite Input level……………3.8 Vp-p for +/-75KHz deviation
- Composite total harmonic………..< 0.05% from 50Hz to 15 Hz
distortion + noise (0.03 typical)
- Sub-carrier inputs………………..3
- Sub-carrier input level…………...3.8 Vp-p for +/-7.5KHz deviation
- Sub-carrier amplitude response...+/-0.3 dB from 40Hz to 100KHz
Monaural operation w/ built in Audio Processor
- Audio Input impedance……50 Kohms bridging, balanced
- Audio Input level…………...3.8 Vp-p for +/-75KHz deviation
- Audio Frequency response...Conforms to 75uS pre-emphasis
curve for +/-0.25 dB from 50Hz to 15KHz
- Pre-emphasis………….……Selectable 50, 75 uS or flat
Stereo Operation w/ built in Audio Processor and Stereo Generator
- Audio Input impedance………………………………………..50 Kohms bridging, balanced
- Audio Input level……………………………………………...-10 dBm to +10 dBm selectable for 75KHz deviation @400Hz
- Frequency response……………………………………………+/-0.3 dB from 50Hz to 10KHz, +/-1.0dB from 10Hz to 15KHZ
- Total Harmonic distortion + Noise……………………………0.4% or less @ 15KHz (0.2 typical)
- Stereo Separation……………………………………………….Better than 40 dB from 50Hz to 15KHz
- Linear Cross Talk………………………………………………Main to sub and sub to main, -40 dB or better from 50 Hz to 15 KHz
- 38 KHz Sub-carrier suppression……………………………….>60dB
- Pilot Stability…………………………………………………….+/- .5 Hz @ 9% modulation
Crown Broadcast IREC
2524 Toledo Road
Elkhart, IN 46516
574-262-8900
[e-mail]