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2KW FM Zender, EM 2000 HE DIG PLUS OMB
OMB
EM 2000 HE D
Nieuw
The 2KW FM transmitter, EM 2000 HE DIG PLUS, has been created by the OMB center of development for high efficiency transmitters. It consists on the high efficiency 2KW amplifier, FMA 2000 HE, with >73% efficiency and the EM 25 DIG PLUS, a 25W FM transmitter. The high efficiency 2KW amplifier has an approximate consumption of 2600VA at 230Vac, so it pays for itself in a short period of time due to its low consumption. This 2KW FM transmitter is also available in Dual Drive version
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Volumekorting
| Aantal | Prijs | U bespaart |
|---|---|---|
| 2 | € 7.645,61 | Tot € 312,07 |
| 3 | € 7.567,59 | Tot € 702,15 |
| 4 | € 7.489,57 | Tot € 1.248,26 |
| 5 | € 7.021,48 | Tot € 3.900,82 |
| 10 | € 6.631,39 | Tot € 11.702,46 |
Meer informatie
MAIN FEATURES OF THE 2KW FM DIGITAL TRANSMITTER MANUFACTURED BY OMB:
- Typical AC efficiency >73% and typical RF efficiency of 84%.
- Two amplifying modules of 1000W with MOSFET technology.
- Two independent switching power supplies connected in parallel to maintain the equipment working in case any of them fails.
- TFT screen and touch keyboard to control and to visualize operation parameters.
- Memory recording of events.
- Speed control of cooling fans according to temperature of power modules so as to optimize consumption and to decrease acoustic contamination.
- Advanced protection against load mismatches without transmission cuts and fast protection in case of excessive reflected power and/or excessive input power.
- Analog telemetry, digital remote control and telemetry RS232, remote control by opened/closed contacts
- Low pass filter, Mains EMI filter and internal single-phase transient suppressor.
- Automatic power reduction at night when used in combination with the EM 25 DIG PLUS transmitter.
- Automatic power reduction in case of high temperature, the equipment returns automatically to its rated power value when the temperature reaches back an average value.
- Automatic power reduction in case of excessive reflected power.
- Automatic voltage control for efficiency optimization.
- Power supplies of the amplifier are hot removable and interchangeable.
- Automatic voltage control for efficiency optimization
|
CHARACTERISTICS AMPLIFIER FMA 2000 HE HPPS |
|
| FREQUENCY RANGE | 87.5-108MHz |
| INPUT RETURN LOSS | -20dB |
| INPUT POWER | <15W |
| OUTPUT POWER | 2000W nominal, manual and automatic adjustable |
| POWER GAIN | 19.2dB minimum |
| TOTAL EFFICIENCY | >73% typical |
| RF EFFICIENCY | 84% typical |
| COOLING | Forced air, speed control of fans |
| HARMONICS LEVEL | -80dBc |
| INPUT/OUTPUT IMPEDANCE | 50Ω |
| RF INPUT CONNECTOR | N(F) |
| RF OUTPUT CONNECTOR | 7/16"or EIA 7/8" |
| RF MONITOR CONNECTOR | BNC(F) |
| POWER SUPPLY | 230VAC ±15% → 195 ÷ 265VAC, 50/60Hz |
| CONSUMPTION | 2600VA (@2000W output power) |
| PROTECTIONS | Reflected power, forward power, overdrive, and overcurrent in power modules. Smart temperature protection. Ultra-fast protection against reflected and input power. Real time registration of events. Exciters inhibition |
| TELEMETRY AND REMOTE CONTROL | Analog telemetry (direct and reflected power measurements). Digital telemetry and remote control RS232. Remote control by opened/closed contacts |
| OPERATION TEMPERATURE | -5 to +40°C |
| WEIGHT | 20Kg approx. (without rack) |
| DIMENSIONS | 3 standard rack |
| EXCITER EM 25 DIG PLUS |
|
| FREQUENCY RANGE | 87.5-108MHz |
| FM MODULATION | 75KHz (adjustable) peak deviation. Mono 180kF3E and Stereo 256kF3E |
| AUDIO/MPX INPUT LEVEL | -3.5 @ +12.5dBm @ 75KHz deviation |
| AUDIO INPUT CONNECTORS | XLR(F) |
| AUXILIARY CHANNEL (RDS/SCA) INPUT LEVEL | 7.5KHz deviation: -12.5 to 3.5dBm and 2KHz deviation: -24 to -8dBm |
| AUX. CHANNEL INPUT IMPEDANCE | 10kOhm |
| MODULATION DISTORTION | 7.5Khz deviation: <0.05%, 0.02% typical; 2KHz deviation: <0.2%, 0.05% typical |
| S/N MONO RATIO | 30 to 20000Hz: >76dB, 86dB typical, CCIR: >75dB, 81dB typical |
Technical specifications:
| S/N STEREO RATIO | 30 to 20000Hz: >72dB, 77dB typical, CCIR: >68dB, 72dB typical |
| AUDIO CHANNELS BANDWIDTH | 30 to 15000Hz ±0.1dB |
| PRE-EMPHASIS TIME CONSTANT | Selectable, 25/50/75 microseconds |
| RF NOMINAL OUTPUT POWER | 25W |
| TUNING STEPS OF TRANSMITTER | 10/100KHz |
| ALC OUTPUT POWER STABILITY | ±3% |
| SPURIOUS AND HARMONIC EMISSIONS | <80dBc |
| RF OUTPUT IMPEDANCE | 50Ω |
| RF INPUT POWER CONNECTOR | N |
| RF SAMPLING CONNECTOR | BNC |
| POWER SUPPLY | 110-230Vac ±15% 50-60Hz |
| OPERATION TEMPERATURE RANGE | 0 to 40°C recommended, -10 to 55°C max. |
| RELATIVE HUMIDITY | Up to 95% without condensation |
| DIMENSIONS | 484x300x90mm, 2 standard rack units of 19" |
| WEIGHT | 7Kg |
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2KW FM Zender, EM 2000 HE DIG PLUS OMB
The 2KW FM transmitter, EM 2000 HE DIG PLUS, has been created by the OMB center of development for high efficiency transmitters. It consists on the high...