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HIGH POWER 500 WATT PEP OR CW CONTINUOUS OPERATION FAN KIT - FOR SG-500
$220.00
Catalog #51-82
This kit provides 24 hour continuous operation at 500 watts PEP or CW under high stress conditions for SG-500 linear amplifier. The assembly is a 12VDC low profile fan attachment outside of SG-500 power amplifier assembly enclosure. It is brushless and is activated automatically when heatsink or ambient temperatures exceed 50 C. The fan also extends the units' operation from +70 to +85 C ambient temperature under normal 500 watts PEP setting, and allows continuous operation (24 hours) at 375 Watts CW with maximum of 35 C room temperature.
 
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SG-500 Remote Control ON/OFF unit
$65.00
Catalog #52-88
This compact box permits convenient remote-control operation of the SG-500 amplifier and includes an ON/OFF switch with LED for visual indication of DC power. Supplied with the unit are 20 feet of control cable and required plugs for the panel connection to the amplifier. For dash board mounting, velcro adhesive strips are also supplied. The detailed instructions enclosed simplify installation and operation.
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Amplifier: One KW - Model SG-500 SmartPowerCube
$1,425.00
Catalog #52-96
The SmartPowerCube unit provides in excess of one KW DC input for 500 watts power output. Designed for mobile and base station operation at 13.8 VDC input voltage and 40 Amps for PEP, 80 amps for CW output. Fully microprocessor controlled for all functions including 7 band selections, PTT, VSWR protection, input power from 50 to 150 watts, collector current balance and level and operating temperature control. All functions are selected by sensing only the drive input power and frequency. Amplifier will work with any SSB, AME, CW or RTTY transmitter or transceiver from 1.8 to 30 Mhz and 50 to 150 watts. No control connections are required from the driver unit.
Note 1: Fan unit available for continuous CW operation item (51-82)
Note 2: PS-50 item (53-05) for 500 Watts PEP operation.
Note 3: For 500 Watts CW, two PS-50 are required.
Note 4: FCC approval for marine application pending.
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POWER SUPPLY: PS-50 HEAVY DUTY
$550.00
Catalog #53-05 NO LONGER AVAILABLE
Model PS-50 heavy duty direct rectified power supply for 115/230 volts AC, 50/60 Hz for the SG-500 linear power amplifier. Output voltage nominal 14.5 volts, 50 amps continuous and 70 amps intermittent. For operation up to 500 watts PEP power amplifier output. DC power cable not included. Order power cable 52-61, 52-62, 52-63 or 52-64 separately. May be used to run SG-2000 in continuous commercial service. Use two PS-50 for 500 watts CW output.
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