• Country
• Hong Kong

• Manufacturer / Brand
• Ajax; Hong Kong

• Year
• 1965 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 355360

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Dry Batteries / AA: 4 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 0.1 W (0.2 W max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Stroller Deluxe 7 Solid State 2 Band ML-511 - Ajax; Hong Kong

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 5.875 x 3.75 x 1.625 inch / 149 x 95 x 41 mm

• Notes

• There are 7 transistors but one is used as a diode. "8 Solid State" on the box could be a mistake.

• Net weight (2.2 lb = 1 kg)
• 0 lb 13 oz (0.813 lb) / 0.369 kg

• Author
• Model page created by Aldo Andreani. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 3 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ajax; Hong Kong