Hammarlund Manufacturing Co. Inc. was formed in 1910 by swedish born engineer Oscar Hammarlund.
Initially, the company manufactured components and accessories. It wasn't until 1931 that they introduced
their first shortwave receiver, the Comet.
In the early 1970s, now under the ownership of Electronic Assistance Corporation (EAC), the Hammarlund
factory closed. At the time of its dissolution, Hammarlund was among the USA's very oldest producers of
radio equipment.
Please remember, it's Hammar with two A's, not Hammer as in the tool!
RECEIVERS
| Pix | Doc | Mod | Model | Band/QRG | Mode | Year | Quicknote |
 | | | Comet | 0.545-20 MHz | AM | 1931 | |
 | | | Comet Pro | 0.545-33 MHz | AM / CW | 1932 | |
| | | HQ-100AC | 0.54-30 MHz | AM / SSB / CW | 1956 | |
 | | | HQ-100C | 0.54-30 MHz | AM / SSB / CW | 1956 | |
 | | | HQ-110 | 6-160 m | AM / SSB / CW | 1957 | |
 | | | HQ-110C | 6-160 m | AM / SSB / CW | 1957 | |
 | | | HQ-120X | 0.54-31 MHz | AM / CW | 1938 | |
 | | | HQ-129X | 0.54-31 MHz | AM / CW | 1946 | |
 | | | HQ-140X | 0.54-31 MHz | AM / CW | 1953 | |
 | | | HQ-145 | 0.54-30 MHz | AM / SSB / CW | 1959 | |
 | | | HQ-150 | 0.54-31 MHz | AM / SSB / CW | 1956 | |
 | | | HQ-160 | 0.54-31 MHz | AM / SSB / CW | 1958 | |
 |  | | HQ-170 | 6-160 m | AM / SSB / CW | 195x | |
| | | HQ-170A | 6-160 m | AM / SSB / CW | 1958 | |
 | | | HQ-170AC | 6-160 m | AM / SSB / CW | 1958 | |
 |  | | HQ-170C | 6-160 m | AM / SSB / CW | 195x | |
 | | | HQ-180A | 0.54-30 MHz | AM / SSB / CW | 1959 | |
 | | | HQ-180C | 0.54-30 MHz | AM / SSB / CW | 1959 | |
 | | | HQ-180X | 0.54-30 MHz | AM / SSB / CW | 19xx | |
 | | | HQ-200 | 0.55-30 MHz | AM / SSB / CW | 1968 | |
 | | | HQ-215 | 3.4-30.2 MHz | AM / SSB / CW | 197x | |
 | | | Pro-310 | 0.55-35.5 MHz | AM / SSB / CW | 1955 | |
| | | SP-10 | 0.54-20 MHz | AM / CW | 1936 | |
| | | SP-10S | 1.2-40 MHz | AM / CW | 1936 | |
 | | | SP-100 "MRM-5" | 0.2-0-4 / 0.54-10 MHz | AM / CW | 1937 | |
| | | SP-100 | 0.54-20 MHz | AM / CW | 1937 | |
| | | SP-100L | 0.1-0.4 / 2.5-20 MHz | AM / CW | 1937 | |
| | | SP-100LX | 0.1-0.4 / 2.5-20 MHz | AM / CW | 1937 | |
| | | SP-100S | 1.25-40 MHz | AM / CW | 1937 | |
| | | SP-100SX | 1.25-40 MHz | AM / CW | 1937 | |
| | | SP-100X | 0.54-20 MHz | AM / CW | 1937 | |
 |  | | SP-210-X | 0.54-20 MHz | AM / CW | 1939 | Cabinet |
 | | | SP-210-LX | 0.1-0.4 / 2.5-20 MHz | AM / CW | 1939 | Cabinet |
 | | | SP-210-SX | 1.25-40 MHz | AM / CW | 1939 | Cabinet |
 |  | | SP-220-X | 0.54-20 MHz | AM / CW | 1939 | Cabinet |
 | | | SP-220-LX | 0.1-0.4 / 2.5-20 MHz | AM / CW | 1939 | Cabinet |
 | | | SP-220-SX | 1.25-40 MHz | AM / CW | 1939 | Cabinet |
 |  | | SP-400-X | 0.54-30 MHz | AM / CW | 1946 | |
| | | SP-400-SX | 1.25-40 MHz | AM / CW | 1946 | |
 |  | | SP-600-J "Northern" | 0.54-54 MHz | AM / CW | 196x | Diversity model |
| | | SP-600-J-3 | 0.54-54 MHz | AM / CW | 1951 | |
| | | SP-600-J-4 | 0.54-54 MHz | AM / CW | 1951 | |
| | | SP-600-J-11 | 0.54-54 MHz | AM / CW | 1951 | |
| | | SP-600-J-13 | 0.54-54 MHz | AM / CW | 1951 | |
| | | SP-600-J-19 | 0.54-54 MHz | AM / CW | 1952 | |
| | | SP-600-J-20 | 0.54-54 MHz | AM / CW | 1952 | |
| | | SP-600-J-22 | 0.54-54 MHz | AM / CW | 1953 | |
| | | SP-600-J-25 | 0.54-54 MHz | AM / CW | 1953 | |
| | | SP-600-JL-9 | 0.1-0.4 / 1.35-29.7 MHz | AM / CW | 1951 | |
| | | SP-600-JL-16 | 0.1-0.4 / 1.35-29.7 MHz | AM / CW | 1952 | |
| | | SP-600-JL-24 | 0.1-0.4 / 1.35-29.7 MHz | AM / CW | 1953 | |
| | | SP-600-JL-24 "Special" | 0.1-0.4 / 1.35-29.7 MHz | AM / CW | 1957 | |
| | | SP-600-JL-34 | 0.1-0.2 / 0.54-14.8 MHz | AM / CW | 1954 | Made for the CIA |
| | | SP-600-JLX-2 | 0.1-0.4 / 1.35-29.7 MHz | AM / CW | 1953 | |
| | | SP-600-JLX-15 | 0.1-0.4 / 1.35-29.7 MHz | AM / CW | 1952 | |
| | | SP-600-JLX-23 | 0.1-0.4 / 1.35-29.7 MHz | AM / CW | 1953 | |
| | | SP-600-JLX-27 | 0.2-0.4 / 0.54-29.7 MHz | AM / CW | 1953 | |
| | | SP-600-JLX-33 | 0.1-0.4 / 1.35-29.7 MHz | AM / CW | 1954 | |
 | | | SP-600-JX-1 | 0.54-54 MHz | AM / CW | 1951 | (R-274A/FRR) |
 | | | SP-600-JX-6 | 0.54-54 MHz | AM / CW | 1951 | (R-274B/FRR) |
| | | SP-600-JX-7 | 0.54-54 MHz | AM / CW | 1951 | |
| | | SP-600-JX-8 | 0.54-54 MHz | AM / CW | 1951 | |
| | | SP-600-JX-10 | 0.54-54 MHz | AM / CW | 1951 | |
| | | SP-600-JX-12 | 0.54-54 MHz | AM / CW | 1951 | |
| | | SP-600-JX-14 | 0.54-54 MHz | AM / CW | 1952 | |
 | | | SP-600-JX-17 | 0.54-54 MHz | AM / CW | 1952 | Diversity model |
| | | SP-600-JX-18 | 0.54-54 MHz | AM / CW | 1952 | |
 |  | | SP-600-JX-21 | 0.54-54 MHz | AM / CW | 1953 | |
 |  | | SP-600-JX-21A | 0.54-54 MHz | AM / SSB / CW | 1969 | |
| | | SP-600-JX-26 | 0.54-54 MHz | AM / CW | 1953 | |
| | | SP-600-JX-28 | 0.54-54 MHz | AM / CW | 1953 | (R-620/FRR) |
| | | SP-600-JX-29 | 0.54-54 MHz | AM / CW | 1954 | |
| | | SP-600-JX-30 | 0.54-54 MHz | AM / CW | 1954 | Diversity model |
| | | SP-600-JX-32 | 0.54-54 MHz | AM / CW | 1954 | |
| | | SP-600-JX-35 | 0.54-54 MHz | AM / CW | 1956 | |
| | | SP-600-JX-36 | 0.54-54 MHz | AM / CW | 1957 | |
| | | SP-600-JX-37 | 0.54-54 MHz | AM / CW | 1961 | |
| | | SP-600-JX-39 | 0.54-54 MHz | AM / CW | 1961 | |
 | | | SP-600-VLF-31 | 10-540 KHz | AM / CW | 1954 | |
| | | SP-600-VLF-38 | 10-540 KHz | AM / CW | 1961 | |
 |  | | SPR-210-X | 0.54-20 MHz | AM / CW | 1939 | Rack |
 | | | SPR-210-LX | 0.1-0.4 / 2.5-20 MHz | AM / CW | 1939 | Rack |
 | | | SPR-210-SX | 1.25-40 MHz | AM / CW | 1939 | Rack |
 |  | | SPR-220-X | 0.54-20 MHz | AM / CW | 1939 | Rack |
 | | | SPR-220-LX | 0.1-0.4 / 2.5-20 MHz | AM / CW | 1939 | Rack |
 | | | SPR-220-SX | 1.25-40 MHz | AM / CW | 1939 | Rack |
TRANSMITTERS
| Pix | Doc | Mod | Model | Band/QRG | Mode | Max O/P | Year | Quicknote |
 | | | Four-20 | ?-? m | CW | 20 W | 19xx | AM option. XTAL |
 | | | HX-50 | 10-80 m | SSB / CW / DSB | 60 W | 19xx | |
 |  | | HX-500 | 10-80 m | SSB / CW / DSB / FM / FSK | 60 W | 19xx | |
TRANSCEIVERS
| Pix | Doc | Mod | Model | Band/QRG | Mode | Max O/P | Year | Quicknote |
 | | | HQ-105TRE | 0.54-30 MHz | AM / SSB / CW | 5 W | 196x | TX: CB-band only (XTAL) |
 | | | HQ-205 | 0.54-30 MHz | AM / SSB / CW | 5 W | 196x | TX: CB-band only (XTAL) |
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