The Four-20 is a crystal controlled CW transmitter. It uses an 807 in the final stage.
General characteristics
- HAM bands
- 80m 40m 20m 15m 10m
- Frequency stability
- ?
- Tuning steps
- ?
- Memories
- ?
Transmitter
- TX-range
- 80-10 m
- Modulations
- AM CW
- RF-output
- 20 W
Connections
- Antenna
- -
- Impedance
- 50/600 Ω
- Other
- -
Electrical
- Power requirements
- Mains
- Current drain RX
- -
- TX
- ?
Physical
- Dimensions (w×h×d)
- ?
- Weight
- ?
- Form factor
- Base Station
- Manufactured
- Between 19xx and 19xx
Other features
- Usage
- Amateur / Ham radio operators
- Features + options
- -
- Accessories
- -
- RigReference ID
- 2833
- MPN
- HAMMARLUND-FOUR-000020
Manuals, diagrams and brochures
-
No documents available for this particular model.
- Upload relevant documents
New and second-hand prices
Estimating the value of a rig can be challenging. We collect prices paid by real hams over the years to help you estimate the value of a used Hammarlund Four-20. Just bought or sold this model? Let us know what you traded it for and help other ham operators!
Based on similar Transmitter equipment, the estimated value of the Hammarlund Four-20 is around:
- USD 128 ~ USD 239
This estimate is based on similar equipment and may not reflect the exact value of this model.
These estimates are based on the following prices:
Links & tools
- Search YouTube for Hammarlund Four-20 videos
- Search Google for Hammarlund Four-20 information
- Search Google Images for Hammarlund Four-20
- Search Wikipedia for Hammarlund Four-20 information
- Search the Boat Anchor Manual Archive (BAMA) for Hammarlund Four-20 for manuals and documents (using Google)
-
Find the Hammarlund Four-20 on Amazon
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