| RF Specs |
|
Output Power: |
 |
Range: 25 kW (7.5 kW to 25.0 kW) |
|
Efficiency: 67% @ 21 kW (actual dependent on line voltage and carrier frequency) |
|
VSWR: 1.8:1 maximum (will operate into higher VSWR with automatic power reduction) |
|
Impedance: 50 ohm |
|
Frequency: |
|
Range: 87.5 MHz to 108 MHz, tuned to specific operating frequency, exciter programmable in 10 kHz steps |
|
Stability: ±300 Hz, 0° to 50° C |
|
RF Harmonics Suppression: Suppression meets all FCC/DOC requirements and CCIR recommendations |
|
Modulation: |
|
Type: Direct frequency modulation of carrier frequency |
|
Capabilities: Greater than ±350 kHz |
|
Regulatory: Meets IEC 215 safety requirements |
|
| FM Audio Specifications with FXi 60 Exciter |
|
Modes: Stereo, mono (L+R), L only, R only |
|
Stereo: |
|
Connector Type: |
|
|
AES: Wire – XLR, Optical – Toshiba (TosLink) |
|
|
L&R: XLR |
|
Input Level: |
|
|
AES: -2 dBfs for 100% modulation; 16-24 bits (32, 44.1, 48 or 96 kHz typical rates for AES/EBU devices) |
|
|
L&R: +10 dBm for 100% modulation into 600 ohm |
|
Impedance: |
|
|
AES: 110 ohm balanced |
|
|
L&R: 600 ohm or 10 kOhm selectable; balanced |
|
Amplitude Response: |
|
|
AES: ±0.5 dB, 20 Hz to 15 kHz |
|
|
L&R: ±0.5 dB, 20 Hz to 15 kHz |
|
THD + Noise: |
|
|
AES: 0.05% or better |
|
|
L&R: 0.05% or better |
|
Intermod Dist: |
|
|
AES: 0.05% or better |
|
|
L&R: 0.05% or better |
|
S/N Radio: |
|
|
AES: 82 dB or better below 100% modulation @ 400 Hz |
|
|
L&R: 82 dB or better below 100% modulation @ 400 Hz |
|
Separation: |
|
|
AES: 50 dB, 20 Hz to 15 kHz |
|
|
L&R: 50 dB, 20 Hz to 15 kHz |
|
Linear Crosstalk: 45 dB below 100% modulation; 20 Hz to 15 kHz; main to sub and sub to main |
|
Pilot Stability: ±0.3 Hz, 0º C to 50º C |
|
38, 57, 76, 95 kHz Suppression: 80 dB below 100% modulation |
|
Asychronous AM S/N Ratio: 55 dB below rated power reference carrier with 100% AM modulation at 400 Hz, 75 µs de-emphasis with no FM modulation present |
|
Synchronous AM S/N Ratio: 50 dB below rated power reference carrier with 100% AM modulation at 400 Hz, 75 µs de-emphasis with FM modulation ±75 kHz at 400 Hz |
|
Pre-emphasis: None, 50 µs, or 75 µs; software programmable |
|
Composite: |
|
Connector Type: BNC (2); unbalanced, balanced |
|
Input Level: 3.5 V p-p for 100% modulation into 10 kOhm |
|
Impedance: Balanced: 10 kOhm or 50 ohm selectable, Unbalanced: 10 kOhm |
|
Amplitude Response: ±0.01 dB 20 Hz to 53 kHz; 0.1 dB 53 kHz to 99 kHz |
|
Phase Response: ±0.1º from linear phase; 53 kHz to 100 kHz |
|
THD + Noise: 0.02% or less |
|
Intermod Dist: 0.02% or less |
|
S/N Radio: 85 dB below 100% modulation @ 400 Hz |
|
Asychronous AM S/N Ratio: 55 dB below rated power reference carrier with 100% AM modulation at 400 Hz, 75 µs de-emphasis with no FM modulation present |
|
Synchronous AM S/N Ratio: 50 dB below rated power reference carrier with 100% AM modulation at 400 Hz, 75 µs de-emphasis with FM modulation ±75 kHz at 400 Hz |
|
Mono: |
|
Connector Type: XLR |
|
Input Level: 3.5 V p-p for 100% modulation into 600 ohm |
|
Impedance: 600 ohm or 10 kOhm selectable |
|
Amplitude Response: ±0.5 dB; 20 Hz to 15 kHz |
|
THD + Noise: 0.02% or less; 20 Hz to 15 kHz |
|
Intermod Dist: 0.02% or less, 20 Hz to 15 kHz |
|
S/N Radio: 85 dB below 100% modulation @ 400 Hz |
|
Asychronous AM S/N Ratio: 55 dB below rated power reference carrier with 100% AM modulation at 400 Hz, 75 µs de-emphasis with no FM modulation present |
|
Synchronous AM S/N Ratio: 50 dB below rated power reference carrier with 100% AM modulation at 400 Hz, 75 µs de-emphasis with FM modulation ±75 kHz at 400 Hz |
|
SCA: |
|
Internal: |
|
|
Input Level: +10 dB for 10% modulation into 600 ohm |
|
|
Impedance: 600 ohm or 10 kOhm selectable |
|
|
Amplitude Response: ±0.5 dB; 20 Hz to 7 kHz |
|
|
S/N Ratio: 60 dB or better |
|
|
Frequency: 20 kHz to 99 kHz; software programmable |
|
|
Deviation: 2.5 to 10 kHz; software programmable |
|
|
Injection Level: 2% to 15%; software programmable |
|
External: |
|
|
Connector Type: BNC |
|
|
Input Level: 3.5 V p-p for 10% deviation |
|
|
Impedance: 10 kOhm unbalanced |
|
|
Amplitude Response: ±0.5 dB; 20 Hz to 100 kHz |
|
RDS: |
|
Internal: |
|
|
Frequency: 57 kHz |
|
|
Injection Level: 2% to 15%; software programmable |
|
External: |
|
|
Connector Type: BNC |
|
|
Input Level: 3.5 V p-p for 10% deviation |
|
|
Impedance: 10 kOhm unbalanced |
|
|
Amplitude Response: ±0.5 dB; 20 Hz to 100 kHz |
|
|
19 kHz: 19 kHz synchronization clock for external RBDS/RDS operation 2.5 V p-p into 50 ohm |
|
|
|
|
|
|
|
| FM Audio Specifications with FX 50 Exciter |
|
Composite: |
|
Connector Type: BNC (3); un-balanced, balanced, front panel test |
|
Input Level: 3.5 V p-p nominal, for ±75 kHz deviation |
|
Impedance: Unbalanced: 10 kOhm, nominal, resistive. Balanced: 10 kOhm or 50 ohm, programmable, jumper selected |
|
Amplitude Response: ±0.025 dB, 30 Hz to 53 kHz |
|
Phase Response: ±0.1 degree from linear phase, 30 Hz to 53 kHz |
|
THD + Noise: 0.02% or less |
|
Intermod Dist: 0.02% or less |
|
S/N Radio: 85 dB below 100% modulation @ 400 Hz |
|
Asychronous AM S/N Ratio: 55 dB below rated power reference carrier with 100% AM modulation at 400 Hz, 75 µs de-emphasis with no FM modulation present |
|
Synchronous AM S/N Ratio: 50 dB below rated power reference carrier with 100% AM modulation at 400 Hz, 75 µs de-emphasis with FM modulation ±75 kHz at 400 Hz |
|
Mono: |
|
Connector Type: Terminal Block |
|
Input Level: +10 dBm nominal for ±75 kHz deviation @ 400 Hz, adaptable to other levels |
|
Impedance: 600 ohm balanced, resistive, adaptable to other impedances, 60 dB common mode suppression |
|
Amplitude Response: ±0.5 dB, 30 Hz to 15 kHz; selectable flat, 25, 50, or 75 µs pre-emphasis |
|
THD + Noise: 0.02% or less |
|
Intermod Dist: 0.02% or less |
|
S/N Radio: 85 dB below 100% modulation @ 400 Hz |
|
Asychronous AM S/N Ratio: 55 dB below rated power reference carrier with 100% AM modulation at 400 Hz, 75 µs de-emphasis with no FM modulation present |
|
Synchronous AM S/N Ratio: 50 dB below rated power reference carrier with 100% AM modulation at 400 Hz, 75 µs de-emphasis with FM modulation ±75 kHz at 400 Hz |
|
SCA: |
|
External: |
|
|
Connector Type: BNC (3); un-balanced |
|
|
Input Level: 3.5 V p-p nominal for 7.5 kHz deviation |
|
|
Impedance: 100 kOhm nominal, resistive |
|
|
Amplitude Response: ±0.2 dB, 40 kHz to 100 kHz |
|
|
|
|
|
|
|
| Mechanical/Physical |
|
Size/Unpacked: |
|
Transmitter: 56.5” W x 31.5” D x 70” H (143.5 W x 80 D x 177.8 H cm) |
|
Power Supply: 34.5” W x 31/5” D x 70” H (87.6 W x 80 D x 177.8 H cm) |
|
Weight/Unpacked: |
|
Transmitter: 1500 lbs. (682 Kg) |
|
Power Supply: 1850 lbs. (839 Kg) |
|
Cooling Air Requirements: |
|
PA Cabinet: 1200 CFM |
|
Driver Cabinet: 500 CFM |
|
High Voltage Power Supply: natural convection |
|
Air Outlet: Air exhaust at top of cabinet |
|
Primary: Top of Power Amplifier Cabinet (33” X 30”) |
|
Secondary: Top of Driver (22” X 30”), Power Supply Cabinet (33” X 30”) |
|
Heat Dissipation: 12.8 kW typical (43,690 BTU/hr) at 25 kW RF output |
|
Air Conditioning Sizing: 3.65 ton |
|
RF Output Connector: 3-1/8” EIA flange |
|
| Environmental |
|
Temperature: -10° to +50° C |
|
Altitude: 7500 ft. (2286 M) @ 50 Hz; 10,000 ft. (3048 M) @ 60 Hz |
|
Humidity: 0% to 95% Non-Condensing |
|
| Electrical |
|
AC Input Voltage: |
|
3-Phase Closed Delta: 240 VAC (196-252 VAC), 50/60 Hz |
|
3-Phase WYE 3 Wire: 240 VAC (196-252 VAC), 50/60 Hz |
|
3-Phase WYE 4 Wire: 400 VAC (339-4.7 VAC), 50/60 Hz |
|
Disconnect Size: 300 A per phase, fused disconnect recommended |
|
AC Wire Size: 400 KCMIL copper, THHN or equivalent |
|
Current Draw at 25 kW: 155 A per phase average (actual determined by line voltage, carrier frequency, etc.) |
|
AC Power Consumption: 37.8 kW typical at 25 kW RF output power |
|
Surge Protection: External surge suppressor |
|
