• Country
• New Zealand-Aotearoa

• Manufacturer / Brand
• Ultimate-Ekco (N.Z.) Co. Ltd.; Auckland

• Year
• 1958

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 286840

• Number of Transistors
• 8

• Semiconductors
• 2N544 2N412 2N412 OC71 2N412 2N406 OC72 OC72

• Main principle
• Superhet with RF-stage; ZF/IF 460 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 6 inch = 15.2 cm

• Power out
• 0.3 W (unknown quality)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Explorer 8 RDM - Ultimate-Ekco N.Z. Co. Ltd.;

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 260 x 205 x 110 mm / 10.2 x 8.1 x 4.3 inch

• Notes

• Similar chassis as the Ultimate Ecko (NZ) RDM R-50-23 

  6 batteries type 950 1.5V

  Rola F88 4x6F elliptical speaker 

• Net weight (2.2 lb = 1 kg)
• 3 kg / 6 lb 9.7 oz (6.608 lb)

• Price in first year of sale
• 39.95 NZ Pound

• Mentioned in
• -- Original prospect or advert (Press Volume 97 16 December 1958 Page 13)

• Author
• Model page created by Martin Cook. See "Data change" for further contributors.

• Other Models

• Here you find 33 models, 32 with images and 21 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ultimate-Ekco (N.Z.) Co. Ltd.; Auckland