12. Hammarlund SP600 JX21 Heinemo Radio

Hammarlund Sp 600. 12. Hammarlund SP600 JX21 Heinemo Radio Hammarlund SP-600 JX-21 from 1953 - if there was a "standard" SP-600, the JX-21 probably comes in as one of the closest Output Impedance-600 ohms-bOlla-needsplit windings

Here is a collection of PDF manuals, various mods, both military and civilian, and a collection of e-mail archives on the Hammarlund SP-600, both -JX and VLF-31 versions All have their strengths, weaknesses and quirks but I consider the SP-600 and the R-390A the best US tube-type communications receivers of the 1950-60's

Hammarlund SP600JX26 US Army Signal Corps R274C/FRR HF Tube Radio

The manuals and ads show pretty pictures of the SP-600 in a nice rack box, optional at extra cost Output Impedance-600 ohms-bOlla-needsplit windings In 1947 the SP-600 Super-Pro receiver, which surpassed the SP-200 in performance, was introduced

RigPix Database Hammarlund SP600J "Northern Radio 159". Hammarlund sold a box that would fit, as did Hallicrafters and at least one other company. Here is a collection of PDF manuals, various mods, both military and civilian, and a collection of e-mail archives on the Hammarlund SP-600, both -JX and VLF-31 versions

Hammarlund SP600, Desktop HF/VHF Receiver. The Hammarlund SP-600 JX-17 is an example of a laboratory-grade HF receiver dating from the early 1950s Remarks: Describe your experience with the Hammarlund SP-600 and tell us why you give it the rating you did.