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Last modified 2022-10-06

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Drake L-4B

A picture of Drake L-4B

SPECIFICATIONS

Type:Amateur HF linear amplifier
Frequency range:10-80 m
Output power:AM/CW/RTTY: 700 W
SSB: 1 KW (PEP)
Drive power:AM/CW/RTTY: 75 W
SSB: 100 W (PEP)
Power supply:Mains: 115 / 230 VAC
Current drain / power consumption:Max 15 A @ 230 VAC (30 A @ 115 VAC)
Impedance / connectors:25-100 ohm / Two SO-239
Dimensions (W*H*D):Amplifier: 354*200*379 mm (13.94*7.87*14.92")
PSU: 171*200*279 mm (6.73*7.87*11")
Weight:Amplifier: 14.5 Kg (32 lb)
PSU: 19.5 Kg (43 lb)
Manufactured:USA, 1969-197x (Discontinued)
Other:Power device: Two 3-500Z triodes
Related documents:User manual (9.6 MB)
Modifications and fixes:
Reviews:QST: December 1969, page 47
Options/Accessories:
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