Ten-Tec Model 1254 – Superhet Receiver Kit

The Ten-Tec Model 1254 Shortwave Receiver Kit

The Ten-Tec Model 1254 Superhet Receiver Kit combines the satisfaction of the kit building experience with the performance features expected in a modern HF receiver.  You will build a true dual-conversion superhet with a microprocessor-controlled frequency synthesizer. Digital LED readout. Alignment is easy and does not require complicated equipment. You only need a volt-ohm meter and your ear; the kit provides its own 45 MHz test signal.

Project skill level: Intermediate.

Not recommended as a first-time kit building project.

Estimated build time: 15-20 hours.

Specs:

  • Frequency coverage: 100 kHz – 30 MHz
  • Modes: AM, SSB, CW
  • Clarifier control for +/- 1.5 kHz SSB/CW fine tuning between 2.5 kHz steps
  • Front panel controls: ON/OFF switch, Tuning, Volume, Clarifier, Mode Select, Memory Write, VFO/Memory tuning select, Tuning Rate Speed
  • 15 programmable memories
  • Circuit: Synthesized 45-75 MHz local oscillator, 45 MHz first I-F, 455 kHz second I-F
  • Sensitivity: AM mode, 2.5 uV for 10 dB SNR at 30% modulation, SSB/CW mode, 0.5 uV for 10 dB SNR
  • Selectivity: 4 kHz @ -6 dB
  • 6 digit green LED frequency/memory display with mode indicators
  • Power supply: 12-15 Vdc, 250 mA current consumption with no signal present. 15 Vdc @ 800 mA wall transformer for 110 VAC operation included with kit.
  • Antenna connector: 50 ohm input, RCA-style female phono jack
  • Audio: 1.5 watts audio output to internal speaker, plus 1/8 inch front panel stereo phone jack for headphones or external speaker
  • Semiconductors: 10 IC’s, 26 transistors, 16 diodes
  • Compact size: 2.25″ x 6.5″ x 6.5″ HxWxD
  • Construction: Steel clamshell case, aluminum chassis, plastic molded front panel. Speaker inside top of steel clamshell, top-firing

Resources:

  • Manufacturer’s Product Page – Ten-Tec Model 1254
  • Reviews/Build Notes/Mods:
  • Retailers
    • Ten-Tec
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  1. Pingback: Upgrade your Ten-Tec Model 1254 shortwave receiver | | The SWLing PostThe SWLing Post

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