Drake L-4B Desktop Shortwave Linear Amplifier

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The Drake L-4B has 1000 watts PEP power input on AM, CW and RTTY and 2000 watts input on SSB. It covers 80, 40, 20, 15 and 10 meters (10 meters not available on late production). The high efficiency Class B Grounded Grid Circuit uses the new Eimac 3-500Z zero bias triodes. Power requirements are 115 V AC 50-60 Hz 30 amps or 230 V AC 50-60 Hz 15 amps. The included L-4 PS power supply (not shown) is in a separate enclosure. This amp features a quiet blower. There is a built in wattmeter calibrated at 300/3000 watts forward and 300 watts reflected.

Frequency range

RX-range
-
TX-range
80-10 m
HAM bands
-
Stability
-
Tuning steps
-
Filters
-

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Receiver

Modulations
-
Sensitivity
-
Selectivity
-
Receiver system
-
IF-frequencies
-
Image rejection
-
Audio output
-

Transmitter

Modulations
AM   CW   RTTY  
RF-Output
2000W PEP SSB, 1000W CW

Connections

Antenna
SO-239
Impedance
50Ω

Electrical

Power requirements
Mains through external L-4PS power supply
Current drain RX
-
TX
-

Physical

Dimensions (w×h×d)
-
Weight
-
Form factor
Base Station
Manufactured
Between and

Other features

Memories
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Usage
Amateur / Ham radio operators
Features + options
-
Accessories
-

Manuals, diagrams and brochures

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