- Country
- Czechoslovakia
- Manufacturer / Brand
- Microphona (Mikrofona), Bratri Knotkove, Praha-Strasnice
- Year
- 1932 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 166576
-
- alternative name: Telefony Microfona
State District Archive Prague
- Number of Tubes
- 4
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown)
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Perfekt 4LD - Microphona Mikrofona, Bratri
- Shape
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Price in first year of sale
- 1,950.00 Kc
- Source of data
- -- Original prospect or advert
- Author
- Model page created by Gabriel Toth. See "Data change" for further contributors.
- Other Models
-
Here you find 69 models, 52 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Microphona (Mikrofona), Bratri Knotkove, Praha-Strasnice