Corsair Model 560

• eHam
• CQ Magazine, 1984, January, Pg 22

• Sherwood Engineering Receiver Test Data

• N1EU Corsair Audio Mod
• Corsair Sinewave Sidetone Mod
• QSK Mod (Contributed by AB9M)

Corsair Brochure (3.29 MB)

• Model 263 Remote VFO
• Model 280 Power Supply
• Model 260 Deluxe Power Supply / Speaker
• Model 215PC Microphone
• Model 214 Microphone
• Model 700C Hand-Held Microphone
• Model 234 Speech Processor
• Model 645 Dual Paddle Electronic Keyer
• Model 670 Single Paddle Electronic Keyer
• Model 227 Antenna Tuner
• Model 220 2.4 kHz 8-Pole Crystal Ladder SSB Filter. To be installed in place of internal 4-Pole Filter.
• Model 288 1.8 kHz 8 Pole Crystal Ladder SSB Filter
• Model 285 500 Hz 6-Pole Crystal Ladder CW Filter
• Model 282 250 Hz 6-Pole Crystal Ladder CW Filter

• Frequency Coverage: 1.8 - 2.3, 3.5 - 4.0, 7.0 - 7.5, 10.0 - 10.5, 14.0 - 14.5, 18.0 - 18.5, 21.0 - 21.5, 24.5 - 25.0, 28.0 - 30.0 MHz transceive. (VFO provides approximately 40 kHz overrun on each band edge.).
• VFO Stability: Less than 15 Hz change per F^o averaged over a 40^o change from 70^o to 110^o F after 30 minutes warmup. Less than 10 Hz change from 105 to 125 Vac line voltage when using a TEN-TEC power supply.
• Tuning Rate: Vernier, 18 kHz per revolution, typical.
• Readout: 6 digit, 0.3" LED numerals.
• Accuracy: +/- 100 Hz.
• Semi-Conductors: 1 LSI, 20 IC's, 94 transistors, 107 diodes, 6 LED readouts.
• PC Boards: 22 PC assemblies with plug-in cables.
• Antenna Impedance: 50 ohm, unbalanced.
• Construction: Rigid steel chassis. Black/Bronze finished aluminum front and rear panels, textured top and bottom. Snap-up stainless steel bail.
• Power Required: 12-14 Vdc, 850 mA receive, 18.5 A max transmit.
• Dimensions: HWD 5.25" x 15" x 14" (13 x 38 x 36 cm), bail retracted.
• Weight: 14 lbs - 6.4 kg.

• Sensitivity: 0.25 uV for 10 dB S+N/N, all bands.0.8 uV typical with RF amplifier off.
• Selectivity: 12-pole crystal ladder filtering. 2.4 kHz bandwidth, 1.7 to 1 shape factor at 6/60 dB. Three position switch selects standard ssb filter, optional 1.8 kHz ssb filter, 500 Hz cw filter, or 250 Hz cw filter.
• Notch Filter: Greater than 50 dB notch tunable between 200 Hz and 3.5 kHz.
• CW Spot: With 750 Hz reference tone.
• I-F Frequencies: 9 MHz and 6.3 MHz.
• Antenna Input: Low impedance, unbalanced.
• Audio Output: 1 watt @ 8 ohms with less than 2% distortion. Built-in speaker.
• Spurious Responses: All below equivalent 10 dB S+N/N signal except 1.838 MHz (less than 15 dB S+N/N), 21.300 MHz (less than 20 dB S+N/N), and 28.980 MHz (which can be eliminated by using low end 29.0 - 29.5 MHz band segment).
• Noise Blanker: Built-in, adjustable blanking threshold.
• I-F Rejection: Greater than 60 dB.
• S-Meter: Automatically switched on when receiving. Calibrated to 50uV at S9, +/- 3 dB.
• Dynamic Range: 90 dB, typical.
• Offset Tuning: Dual range, MAX +/- 4 kHz; MIN +/- 500 Hz, typical.

• DC Power Input: Maximum 200 watts @ 14 Vdc cw and ssb. 100% duty cycle for up to 20 minutes.
• RF Output: 85 - 100 watts, typical.
• Output Impedance: 50 ohms, unbalanced.
• Microphone Impedance: High impedance. Accepts high or low impedance microphones with 5 mV output Polarizing voltage available for electrets.
• T/R Switching: VOX or PTT on ssb. Instant break-in or semi-break-in on cw.
• CW Sidetone: Internally generated. Adjustable tone and volume independent of af gain control. Operates only in cw mode.
• SSB Generation: 9 MHz, 4-pole crystal ladder filter. Balanced modulator.
• Carrier Suppression: 60 dB typical.
• Unwanted Sideband Suppression: 45 dB typical at 1.5 kHz tone.
• Spurious Output: Better than -45 dB relative to full output.
• Meter: Forward power, collector current, SWR, processing level. Selectible 4 position switch.
• CW Offset: 750 Hz, automatic
• ALC Control: Front panel adjustable. 30 to 100 Watts output, LED indicator.