• Country
• Spain

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Spain

• Year
• 1938 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 238774

• Number of Tubes
• 5

• Valves / Tubes
• AK2 AF3 ABC1 AL4 AZ1

• Main principle
• Superheterodyne (common); 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110-220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 15 cm = 5.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Preludio 15A - Unknown - CUSTOM BUILT: Spain

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 560 x 320 x 410 mm / 22 x 12.6 x 16.1 inch

• Notes

• Manufacturer most probably Philips but not proven.

• Net weight (2.2 lb = 1 kg)
• 13 kg / 28 lb 10.1 oz (28.634 lb)

• Author
• Model page created by Jose Francisco Lama Barquero. See "Data change" for further contributors.

• Other Models

• Here you find 50 models, 46 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Spain