ELECTRONIC CORPORATION ELCOR SW-25 K

GENERAL DESCRIPTION


photo Elcor SW-25 K SW-25 K, 25,000 WATTS ELCOR AM BROADCAST TRANSMITTER

FEATURES

* Start - Stop Automatic Remote Control.

* High Level Plate Modulation.

* Solid State Rectifiers.

* Designed for FCC and CCIR requirements.

* Automatic Recycling System.

* Harmonics Filter.

* Tropicalized.

* Permanent protection of all circuits and valves.

* Forced air cooling.

TECHNICAL SPECIFICATIONS
RF CHARACTERISTICS
Carrier output power 25,000 W
Carrier shift 3%
Carrier noise 50 dB below 100% modulation
Frequency range 3.9 - 17 MHz
Frequency source Crystal oscillator
Frequency stability ±5 ppm
Harmonic and spurious radiation Meets or exceeds FCC and CCIR requirements
Output impedance 50/200 ohm unbalanced
Type of emission A3
Type of modulation High level plate modulation
AF CHARACTERISTICS
Audio input impedance 150/600 ohm balanced
Audio input level +10 dBm
Audio frequency response ±3 dB from 50 to 7,500 Hz
Audio frequency distortion 3% or less
POWER SUPPLY
Power source 208-240 V, 3 phase, 50 or 60 Hz
Power factor 0.93 or better
Power consumption 52.5 kW average
ENVIRONMENT
Ambient temperature +50 to +113 °F (+10 to +45 °C)
Cooling Forced air cooling
Maximum altitude 6,000 ft (1,829 m)
Relative humidity 0 to 95%
DIMENSIONS AND WEIGHT
Width 95" (2.40 m)
Height 85" (2.14 m)
Depth 47" (1.20 m)
Approximate weight 5,000 lbs (2,268 kg)
Specifications may change for better performance

TUBE COMPLEMENT
RF stages AF stages and modulator
Number Type Number Type
1 4CX20,000A 2 4CX10,000D


THIS TYPE OF TRANSMITTER IS INSTALLED IN THE FOLLOWING COUNTRIES

ITU Country
ITU Country
flag CTR CTR COSTA RICA