Tonveredler Tone-Clarifier

Blaupunkt (Ideal), Berlin, später Hildesheim

Dati
Forum
Immagini
Collezioni

  • Anno
  • 1926
  • Categoria
  • Modulo per radio post 1925 (non un particolare, nessun tasto)
  • Radiomuseum.org ID
  • 86838
    • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
    • Brand: Rotstern

 Specifiche tecniche

  • Tensioni di funzionamento
  • Alimentazione non richiesta
  • Altoparlante
  • - Per cuffie o amplificatori esterni
  • Materiali
  • Bachelite
  • Radiomuseum.org
  • Modello: Tonveredler Tone-Clarifier - Blaupunkt Ideal, Berlin,
  • Annotazioni
  • 7-stufig (0...6); würde man heute vermutlich als Tonblende bezeichnen.
    Export-version: Tone-Clarifier
  • Prezzo nel primo anno
  • 8.00 RM
  • Autore
  • Modello inviato da Bernd P. Kieck. Utilizzare "Proponi modifica" per inviare ulteriori dati.

 Collezioni | Musei | Letteratura

Collezioni

Il modello Tonveredler Tone-Clarifier fa parte delle collezioni dei seguenti membri.

 Forum

Discussioni nel forum su questo modello: Blaupunkt Ideal,: Tonveredler Tone-Clarifier

Argomenti: 1 | Articoli: 5

Tone clarifier

Recently I got this item which I never have seen before.

It is a bakelite case with the inscription tone-clarifier and IDEAL prov.pat. There are two pairs of connectors - male and female, connected with each other. In between is a 7-positions selector.

Inside, in parallel with the connectors is a capacitor-column with taps at 0-2-4-6-8-10-12 nF, chosen by the selector.

I presume that this device has been used with the vintage receivers without built-in speaker to modify the tone. If connected between the receiver output and the speaker or earphones, it cuts off the higher frequencies and so modifies the tone. Cut-off frequency is chosen by the selector.

I would greatly appreciate any information, such as the manufacturer, year of production, etc.

Dejan Momirov, 21.Apr.12

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