• Country
• Germany

• Manufacturer / Brand
• Harting, Wilhelm; Espelkamp-Mittwald

• Year
• 1959/1960

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 22668

• Number of Tubes
• 4

• Valves / Tubes
• EF86 ECC83 EL95 EM84

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Tape Recorder

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

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

• Power out
• 2.5 W (unknown quality)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: HM4 - Harting, Wilhelm; Espelkamp-

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

• Dimensions (WHD)
• 420 x 370 x 215 mm / 16.5 x 14.6 x 8.5 inch

• Notes
• Zweispur; 9,5/19 cm/s. Spulen-Ø 18 cm.

• Net weight (2.2 lb = 1 kg)
• 12 kg / 26 lb 6.9 oz (26.432 lb)

• Price in first year of sale
• 528.00 DM

• External source of data
• Erb

• Source of data
• HdB d.Rdf-& Ferns-GrH 1959/60 / Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 27 models, 26 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Harting, Wilhelm; Espelkamp-Mittwald