• Country
• Great Britain (UK)

• Manufacturer / Brand
• Ultra Electric Ltd.; London

• Year
• 1959

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 91225

• • alternative name: Ultra Radio and Television

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

• Number of Transistors
• 6

• Semiconductors
• PXA102 PXA101 PXA101 PXB103 PXC101 PXC101

• Main principle
• Superheterodyne (common); ZF/IF 471 kHz

• Tuned circuits
• 5 AM circuit(s)

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

• Power type and voltage
• Dry Batteries / 2 × 4,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Power out
• 0.2 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Transistor 101 TR101 - Ultra Electric Ltd.; London

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

• Dimensions (WHD)
• 12.5 x 7.75 x 3.5 inch / 318 x 197 x 89 mm

• Notes
• Ultra Electric Transistor 101 is a six transistor, two waveband, battery operated receiver with a printed circuit board and a ferrite-rod aerial.

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• Mentioned in
• Ultra Service Sheet

• Author
• Model page created by Howard Craven. See "Data change" for further contributors.

• Other Models

• Here you find 235 models, 153 with images and 149 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ultra Electric Ltd.; London