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Last modified 2017-06-29

Drake TR-3

A picture of Drake TR-3

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: 10-80 m in 7 bands
80 m: 3.5-4.1 MHz
40 m: 7.0-7.6 MHz
20 m: 13.9-14.5 MHz
15 m: 21.0-21.6 MHz
10 m A: 28.0-28.6 MHz
10 m B: 28.5-29.1 MHz
10 m C: 29.1-29.7 MHz
Tuning steps:Continuous
Mode:AM/SSB/CW
Channels/memory management:No
Repeater shift/offset:No
Power supply:650 V, 250 V, -45 to -65 VDC and 12.6 V from separate PSU
Current drain/power consumption:300-500 mA @ 650 V
150-180 mA @ 250 V
5.5 A @ 12.6 V
Antenna impedance/connector:50 ohms nominal / SO-239
Dimensions (W*H*D):273*140*366 mm (10.75*5.5*14.4")
Weight:? Kg (? lbs)
Other features:VOX




RECEIVER SECTION
Receiver system:? conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:0.5 uV (10 dB S/N)
Selectivity:2.1 KHz (-6 dB), 7.5 KHz (-60 dB)
Image rejection:
AF output power/speaker:2 W at ?% distortion / 4 ohms
External speaker connector:




TRANSMITTER SECTION
RF output power: AM: 50 W
SSB: ~150 W PEP (300 W PEP input)
CW: ~130 W DC (260 W DC input)
Modulation system:
FM deviation:No FM
Spurious emissions:Less than -? dB
Microphone impedance/connector:Hi-Z / 3-pin




MISCELLANEOUS
Manufactured:USA, 1963-196x (Discontinued)
Additional info:
Related documents: User manual (3.3 MB)
Driver: 12BY7A
Finals: 3*12JB6
Modifications:
Options/Accessories:
34-NB
AC-3
DC-3
MMK-3
MS-3
RV-3
Noise blanker
Mains power supply
12 VDC power supply
Mobile mounting bracket
Matching speaker. Can also house AC-3
External VFO with speaker. Can also house AC-3