• Country
• Austria

• Manufacturer / Brand
• ER-HA Universal-Radio-Schaltplatten-Unternehmung; Wien

• Year
• 1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 197106

• Number of Tubes
• 2

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

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

• Power type and voltage
• Batteries / addl. power jack

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Zwei-Röhren Duplex Empfänger - ER-HA Universal-Radio-

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes
• ER-HA Zwei-Röhren Duplex Empfänger;
  "Neue Schaltung im Tiefbau", 1/2 x 1/2 Universal-Radio-Schaltplatte.

• Mentioned in
• RADIOBOTE, Österr. (Heft 33/2011, S.3 ff, Produktwerbung mit Beschreibung)

• Literature/Schematics (1)
• Radiotechnik-Radioamateur (RT), Erb, Wien (47) (ÖRA Anzeige 1/28)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 26 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from ER-HA Universal-Radio-Schaltplatten-Unternehmung; Wien