HQ-129-X late

Hammarlund Mfg. Co. Inc.; New York, NY

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  • Year
  • 1952/1953 ?
  • Category
  • Amateur-Receiver (amateur bands, may include broadcast bands)
  • Radiomuseum.org ID
  • 281317

 Technical Specifications

  • Number of Tubes
  • 11
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 105 - 125 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 3 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: HQ-129-X [late] - Hammarlund Mfg. Co. Inc.; New
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Dimensions (WHD)
  • 495 x 270 x 315 mm / 19.5 x 10.6 x 12.4 inch
  • Notes

  • The Hammarlund HQ-129-X (late) Communications Receiver has the following features:

    • Covers 540 kHZ - 31 MHz in six bands:
      • 540 - 1320 kHz
      • 1.32 - 3.2 MHz
      • 3.2 - 5.7 MHz
      • 5.7 - 10 MHz
      • 10 - 18 MHz
      • 18 - 31 MHz
    • Bandspread in 80, 40, 20, 15, and 10 amateur bands.
    • AM, CW(BFO).
    • Headphones jack.
    • Optional matching PSC-10 speaker.
    • Optional FS-135-C Frequency Standard (Crystal Calibrator) may be added by modifying the chassis.

    The HQ-129-X (early) model does not have bandspread on the 15 meter band (21 MHz) and is identified with white lettering of the Hammarlund badge & HQ-129-X model number; bandspread logging scale is 0 to 200.

    The HQ-129-X (late) model does have bandspread on the 15 meter band (21 MHz) and is identified with red lettering of the Hammarlund badge & HQ-129-X model number; bandspread logging scale is 0 to 100.

    Price at introduction was $129 (early model) (intended to reflect the model number), but price increased the following year and sold for $239 (late model) by the end of production in 1953.

  • Net weight (2.2 lb = 1 kg)
  • 23.1 kg / 50 lb 14.1 oz (50.881 lb)
  • Literature/Schematics (3)
  • The Communications Receiver-The 1945 Hammarlund HQ-129X, AWA, article by Bill Fizette
  • Literature/Schematics (4)
  • Instruction Manual Hammarlund HQ-129-X Amateur Communications Receiver, undated

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