• Country
• Spain

• Manufacturer / Brand
• Inter Electrónica, S.A., Inter-Grundig, S.A.; Barcelona

• Year
• 1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 175175

• Number of Tubes
• 7

• Valves / Tubes
• EAF42 ECH42 EAF42 EAF42 EM4 EL41 AZ41

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 18 cm = 7.1 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Alcotan 840 - Inter Electrónica, S.A., Inter

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

• Dimensions (WHD)
• 540 x 370 x 300 mm / 21.3 x 14.6 x 11.8 inch

• Net weight (2.2 lb = 1 kg)
• 15.5 kg / 34 lb 2.3 oz (34.141 lb)

• Literature/Schematics (1)
• Folleto Inter 1953

• Author
• Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

• Other Models

• Here you find 318 models, 164 with images and 189 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Inter Electrónica, S.A., Inter-Grundig, S.A.; Barcelona