Note
The HW-32A is identical to the HW-12A except for frequency coverage. Frequency coverage for the HW-32A is 14.2 to 14.35 MHz. For additional discussion, specifications, and differences between the A series Single-Banders and the originals see listing under HW-12 and HW-12A.
References:
Review. 73 Amateur Radio. May 1967, p. 102.
Better dial mechanism. QST. Jun 1968, p. 36.
A remote VFO. 73, Nov 1969, p. 22.
Use in the CW band. CQ. Dec 1970, p. 76.
Noise limiter. Ham Radio. Mar 1971, p. 67.
A receiver pre-amp for. CQ. Mar 1976, p. 26.
VFO slippage and backlash. QST. Sep 1976, p. 39.
Receiver Section
Frequency coverage: 14.2 to 14.35 MHz
Receiver mode: lower or upper sideband
Sensitivity: 1.0 µV input will provide at least 15 db signal plus noise to noise ratio
Selectivity: 2.7 kHz @ 6 db, 6 kHz @ 50 db
IF: 2305 kHz
Image rejection: 60 db
IF rejection: 65 db
Receiver audio response: 400 to 3000 Hz
Receiver audio power output: 1 watt
External speaker impedance: 8Ω
Antenna input impedance: 50Ω nominal, unbalanced
Transmitter section
Frequency coverage: 14.2 to 14.35 MHz
Transmitter mode: lower or upper sideband
Stability: less than 200 Hz per hour after one hour warmup
RF power output: 200 watts PEP
Unwanted sideband suppression: 45 db minimum below peak output @ 1000 Hz
Carrier suppression: 45 db minimum below peak output
Output impedance: 50Ω nominal, unbalanced
Transmitter audio response: 400 to 3100 Hz
Microphone required: hi-Z crystal, ceramic or dynamic; 10 mV minimum output
Power requirements: 800 VDC at 250 ma, 250 VDC at 100 ma, -125 VDC at 5 ma, and 12 volts AC or DC at 3.75 amps
Tubes: (3) 6EA8, (5) 6AU6, (1) 6BE6, (1) 12AT7, (1) 12BY7, (1) 6EB8,
(2), 6GE5
Photos, general information and specifications from "Heathkit: A Guide to the Amateur Radio Products," by Chuck Penson, WA7ZZE. Used with permission.
