2 amplifier package specifications, 2 amplifier package specifications –3 – Crown Audio FM1000A User Manual
Page 7
Getting Acquainted
1–3
1.2 Amplifier Package Specifications
RF Power Output:
100 to 1100 watts continuous with remote
controlled power adjust
RF Drive Requirement:
30 watts for full output
RF Output Impedance:
50 ohms (unbalanced)
Maximum SWR:
1.7:1 (With power foldback at high SWR)
Frequency Range:
87–108 MHz
RF Harmonics/Spurious Products: Better than –80 dB
Asynchronous AM S/N Ratio:
Better than –55 dB with 100% modulation at
400 Hz, no de-emphasis, no FM modulation
(typically > 60 dB)
Synchronous AM S/N Ratio:
Better than –55 dB with 100% modulation at
400 Hz, no de-emphasis, FM
modulation=75 kHz @400 Hz
(typically > 60 dB)
Operating Environment:
Temperature Range:
0°–50°C at sea level
Humidity Range:
0–80% at 20°C (noncondensing)
AC Power:
240 Volts AC +10/-15%, 50–60 Hz
Power Consumption:
Less than 1400 watts at 1000 watts RF output
typical
Power Factor:
.96 typical
Overall Efficiency:
70% typical
RF Output Connector:
7/8 in. EIA flange, 7–16 in DIN optional
Power Amplifier Chassis:
7 x 17.25 x 23 inches (17.78 x 43.82 x
58.42 cm) exclusive of rack ears, but inclu-
sive of connectors
Power Supply Chassis:
5.25 x 17.25 x 23 inches (13.34 x 43.82 x
58.42 cm) exclusive of rack ears
Weight:
PA1000—40 pounds (18.1 kg)
RF PA Modules—8 pounds (3.6 kg) each
PS1000—43 pounds (19.5 kg)
Note: System performance is specified using Crown Broadcast
Model FM30 Exciter where applicable.