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Last modified 2017-07-02

Drake T-4B

A picture of Drake T-4B

SPECIFICATIONS

GENERAL
Type:Amateur HF transmitter/"reciter"
Frequency range:10-80 m
Tuning steps:Continuous (coupled to R-4B)
Mode:AM/SSB/CW
Channels/memory management:
Power supply:650 V, 250 V, -45 to -65 V and 12.6 V from separate PSU
Current drain/power consumption:Max 330 mA @ 650 V
Max 120 mA @ 250 V
Max 3 A @ 12.6 V
Antenna impedance/connector:52 ohms nominal / SO-239
Dimensions (W*H*D):273*140*295 mm (10.75*5.5*11.62")
Weight:5.64 Kg (12.44 lbs)
Other features:VOX. Built-in speaker for R-4B




TRANSMITTER SECTION
RF output power: AM: ~120 W (200 W PEP input)
SSB: ~120 W PEP (200 W PEP input)
CW: ~120 W (200 W DC input)
Modulation system:
FM deviation:No FM
Spurious emissions:Less than -? dB
Microphone impedance/connector:Hi-Z / ?-pin




MISCELLANEOUS
Manufactured:USA, 196x-196x (Discontinued)
Additional info:
Related documents: User manual (4.9 MB)
Finals: 2*6JB6
Modifications:
Options/Accessories:
AC-4
DC-4
Mains power supply
12 VDC power supply