• Country
• Hungary

• Manufacturer / Brand
• Lengyel István gépészmérnök (Sure); Budapest

• Year
• 1940 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 251061

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 19.5 cm = 7.7 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: Sure Permavox 7W - Lengyel István gépészmérnök

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 195 x 195 x 100 mm / 7.7 x 7.7 x 3.9 inch

• Notes

• 4 Ohm.

• Net weight (2.2 lb = 1 kg)
• 1 kg / 2 lb 3.2 oz (2.203 lb)

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 14 models, 12 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lengyel István gépészmérnök (Sure); Budapest