Note
QST, Feb 1969, p. 103. (260)
QST, Oct 1969, p. 149. (270)
QST, Jul 1970, p. 4. (270B)
QST, Feb 1971, p. 105. (Specifications)
QST, Oct 1972, p. 144.
QST, Jan 1973, p. 109.
The Cygnet 260 had internal power supplies for both 120 VAC and 12 VDC. Its solid-state VFO provided full coverage of the 80-10 meter bands. Early models, such as the one pictured, used a green tuning eye to indicate PA current and mic gain. They also had the hand-held microphone hard-wired to the transceiver. Later versions of the Cygnet 260 had a jack for the microphone and a small current meter. Power input to the 6LQ6 final was 260 watts PEP on SS8 and 180 watts on CW. The transceiver had no audio gain control but used the RF gain to set the volume.
The Cygnet 270 was the same size and had the same power as the 260 that came before it, but added new features and performance. The 270 had an S-meter/transmitter tuning meter, selectable sidebands, an improved CF Networks filter, and separate RF and AF gain controls. It offered full coverage of the 80-10 meter bands and also retained the Cygnet 260 internal AC and DC power supplies.
The 260 and 270 were sold side by side through 1970. After 1970 the 260 appears to have been discontinued. (QST, Feb 1971, p.107.)
Swan’s Deluxe Cygnet 270B covered 80–10 meters. It ran 260 watts input on SSB, 180 watts with a 6LQ6 power amplifier. The 270B used a 2.7 kHz crystal lattice filter in its 5.5 MHz IF. It had a built-in speaker and AC supply. For 12 VDC operation the Model 14-A plug-in converter was available.
