Emerald (Type B) AHE

Climax Radio & Television Co, Inc.; Chicago, IL

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  • Year
  • 1937 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 35388
    • alternative name: Amplitron

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 6
  • Number of Transistors
  • Semiconductors
  • L42C
  • Main principle
  • Superheterodyne (common); ZF/IF 456 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • AC/DC-set / 117 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Emerald AHE - Climax Radio & Television Co,
  • Shape
  • Tablemodel, low profile (big size).
  • Notes

  • The Emerald (Type B) AHE is an AC/DC operated, 6-tube, BC and SW band receiver.  Uses ballast tube L42C.  This is the E version that has magic eye tuning; model AH is similar without magic eye tuning.

    Also uses a Bias Cell.

    Note that there are multiple models of the Emerald; some models may have different brands as noted:

    Model Brand Magic Eye Notes
    Emerald (1st Version) AC-60 1 Y Round Escutcheon; AC power transformer; 3 knobs
    Emerald (Type B) AHE 1 Y Rectangular Escutcheon; pyramid-type tabs on top & bottom of escutcheon; AC/DC power direct to tube filaments with ballast tube; 3 knobs
    Emerald (Type B) AHE 2 Y Rectangular Escutcheon; pyramid-type tabs on top & bottom of escutcheon; AC/DC power direct to tube filaments with ballast tube; 3 knobs
    UE65 Emerald 1 Y Rectangular Escutcheon; no pyramid-type tabs; dial has added dark bands; AC/DC power direct to tube filaments with ballast tube; 3 knobs
    Baby Emerald 2 N Rectangular Escutcheon; 2 knobs (Broadcast band only)

    1  Climax (sold by Climax Radio & Television Co., Inc.)
    2  general / TELEVISION (sold by General Television and Radio Corp.)

    This model's logo is Climax and manufactured by Climax Radio & Television Co., Inc., as noted on the rear plate with CX indicating manufactured by Climax.  

    See Climax Radio & Television Co., Inc. and General Television and Radio Corp. for additional details.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 8 = 1937 and before

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