Sigma XR-3000D

Object/Artifact

-

Radio Alpha

Name/Title

Sigma XR-3000D

Description

2KW PEP 160-10 Meter Linear Amplifier

Category

Amplifier, HF

Made/Created

Manufacturer

Sigma

Date made

1977 - 1977

Dimensions

Height

9-1/2 in

Width

16 in

Depth

15-1/4 in

Weight

90 lb

Valuations

Value

$749.00

General Notes

Note

QST, Apr 1977, p. 113. QST, Nov 1977, p. 105. 
 * Full band coverage 160-10 meters, including MARS. * 2000 watts PEP SSB input, 1000 watts input continuious duty, CW.
RTTY & SSTV * Two EIMAC 3-500Z * All major HV and other components mounted on a single G-10 glass plug-in board. * Heavy duty commercial grade quaily and construction Heavy duty 10 KW silver plated ceramic band switches • silver plated copper tubing tank coil • Large 4" meters measure plate current, high voltage, and RF drive, and relative output • Continuous duty power supply • zener diode standby and operating bias provides reduced idling current and greater efficiency • built-in T/R relays • tuned input circuits • ALC rear panel connections for ALC output to exciter and relay control • double internal shielding . Power: 110 or 220 VAC. 50-60 Hz