Note
QST, Sep 1952, p. 124.
Model B is the same as Model A, but with the "AQ" Q-multiplier installed.
See QST, May 1955, p. 79.
Walter Ashe catalog 1957 (probably issued in 1956), p. 6.
Allied Radio catalog 1957 (issued 1956), p. 249.
Allied Radio catalog 1959 (issued 1958), p. 378.
Allied Radio catalog 1960 (copyright 1959), p. 395.
Kit from or fully assembled.
The model B Sideband Slicer was the same basic unit as the model A, with the company's model DQ Q-Multiplier added to it. The model B needed no adapter for use with receivers having a 450-500 kHz IF. The Q-multiplier was available as a stand-alone unit (the model DQ).
Model A dropped after 1955.