National NC-109

Object/Artifact

-

Radio Alpha

Image: Chuck Penson, WA7ZZE, hamfest

Image: Chuck Penson, WA7ZZE, hamfest

Name/Title

National NC-109

Description

General Coverage Receiver

Made/Created

Manufacturer

National Company

Date made

1957 - 1961

Dimensions

Height

10 in

Width

16-7/8 in

Depth

10-7/8 in

Weight

32 lb

Valuations

Value

$169.95

General Notes

Note

QST, Jun 1957, inside back cover. QST, Jul 1957, inside back cover. (specs) Allied Radio catalog 1958 (copyright 1957), p. 266. Allied Radio catalog 1959 (copyright 1958), p. 374. Allied Radio catalog 1960 (copyright 1959), p. 391. Allied Radio catalog 1961 (copyright 1960), p. 389. Single conversion superheterodyne circuit with a gang-tuned RF amplifier stage, and two IF and two AF stages. Uses ceramic oscillator coil forms and temperature compensation for improved stability. Features include a BFO, ANL, separate RF and AF gain control, BFO pitch, headphone jack, S-meter, antenna trimmer, a bandspread calibrated for the ham bands, two position tone control, mute, standby, and flywheel tuning. Requires external 3.2Ω speaker. Selectivity in six steps from 200 to 5200 Hz. Sensitivity: better than 2 µV 10 db S/N. Review: QST, Jan 1958 Coverage: 540 kHz to 40 MHz IF: 455 kHz Modes: AM, CW, SSB BFO ANL S-meter No built-in speaker Audio output: 1.5 watts, 3.2Ω Power: 120 VAC Tubes: (11 total): (3) 6BA6, (2) 6BE6, (1) 6AL5, (1) 12AT7, (1) 6AQ5, (1) 6C4, (1) 5Y3, (1) 0B2 References Brief description. Radio News, Jun 1957, p. 152.