Madrid H2253
Blaupunkt (Ideal), Berlin, später Hildesheim
- Country
- Germany
- Manufacturer / Brand
- Blaupunkt (Ideal), Berlin, später Hildesheim
- Year
- 1954
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 25073
-
- alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
- Brand: Rotstern
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Number of Transistors
- Semiconductors
- B250C90
- Main principle
- Superheterodyne (common); ZF/IF 450/10700 kHz
- Tuned circuits
- 6 AM circuit(s) 9 FM circuit(s)
- Wave bands
- Broadcast, Long Wave, Short Wave plus FM or UHF.
- Power type and voltage
- Alternating Current supply (AC) / 110-125; 220-240 Volt
- Loudspeaker
- 2 Loudspeakers
- Power out
- 4 W (unknown quality)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Madrid H2253 - Blaupunkt Ideal, Berlin,
- Shape
- Tablemodel with Push Buttons.
- Dimensions (WHD)
- 600 x 375 x 245 mm / 23.6 x 14.8 x 9.6 inch
- Notes
- Blaupunkt Madrid H2253 entspricht bis auf zusätzliche Ferritantenne technisch Modell Berlin H2053.
Mischstufe bei AM: Röhre EF85.
Oszillator (2. EC92) wird am Bremsgitter eingekoppelt.FM-Vorstufe: EC92 in neutralisierter Kathodenbasis-Schaltung.
- Net weight (2.2 lb = 1 kg)
- 11.5 kg / 25 lb 5.3 oz (25.33 lb)
- Price in first year of sale
- 339.00 DM
- External source of data
- Wiesmüller
- Source of data
- Lange, Schaltungen der Funkindustrie
- Mentioned in
- - - Manufacturers Literature (Prospekt, Weltstadtserie, Ende 1953)
- Literature/Schematics (1)
- -- Original-techn. papers.
- Other Models
-
Here you find 3589 models, 3277 with images and 2329 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim
Collections
The model Madrid is part of the collections of the following members.