This is an old revision of the document!
Centaur Model 411
Reviews
- ARRL (Must be an ARRL member and logged in to view.)
- ARRL Expanded Report (Must be an ARRL member and logged in to view.)
Related Links
Mods & Tips
- Cooling Fan Intake Mod to Reduce Noise
- Cooling Fan Resistor Mod to Reduce Noise
Sales Information
Specifications
Band Coverage: 160, 80, 40, 30, 20, 17 and 15 (12 and 10 meters for authorized users)
Power Output: 600 watts SSB/CW on 80 thru 15 meters, 500 watts on 160 meters and 10 meters. 400 watts RTTY/SSTV. 50% duty cycle
Drive Power: 90 -100 watts typical for rated output.
Tube Complement: 3 Svetlana 811A Triodes, class AB2 in grounded grid.
Plate Voltage: 1800 volts no load, 1500 volts full load.
Efficiency: up to 70% depending on frequency and load impedance.
Harmonics: meets or exceeds FCC requirements.
Full Break-in: built-in with T/R switching time less than 7 milliseconds.
Primary Power: 12 amps @ 120 VAC, 6 amps @ 240 VAC, 50/60 Hz. Shipped factory wired for 120 VAC, easily changed to 240 VAC through access panel on rear.
Safety: plate transformer primary interlock and high voltage shorting bar.
Input/Output Impedance: 50 ohms, unbalanced.
Cooling: 4" 100 CFM tube-axial fan, all metal frame.
Metering: forward power, grid current, plate voltage and plate current.
Front Panel Controls: plate TUNE and LOAD, band switch, operate/standby, QSK/PTT, meter switches for plate current/plate voltage and grid current/forward power, power on/off.
Construction: aluminum chassis, front and rear panels. Steel top and bottom covers.
Size: HWD 6" x 15.5" x 13" (15.2 x 39.4 x 33 cm).
Weight: 40 lbs. (18.145 Kg).