- Pays
- Allemagne
- Fabricant / Marque
- AEG (Radios) Allg.Elektricitäts-Ges.
- Année
- 1938/1939
- Catégorie
- Radio - ou tuner d'après la guerre 1939-45
- Radiomuseum.org ID
- 185
Rückansicht geschlossen mit Rückwand
AEG Super 78 WK�
Chassis von oben
Chassis von unten
Cassis und Lautsprecher
Frontansicht restauriert
Q: Handbuch RF-Großhandel 1938
Cliquez sur la vignette du schéma pour le demander en tant que document gratuit.
- No. de tubes
- 6
- Principe général
- Super hétérodyne (en général); FI/IF 468 kHz
- Circuits accordés
- 7 Circuits MA (AM)
- Gammes d'ondes
- PO, GO et OC
- Tension / type courant
- Alimentation Courant Alternatif (CA) / 110; 125; 150; 220; 240 Volt
- Haut-parleur
- HP dynamique à électro-aimant (électrodynamique)
- Puissance de sortie
- 4 W (max.)
- Matière
- Boitier en bois
- De Radiomuseum.org
- Modèle: 78WK - AEG Radios Allg.Elektricitäts-
- Forme
- Modèle de table profil bas (grand modèle).
- Dimensions (LHP)
- 660 x 360 x 310 mm / 26 x 14.2 x 12.2 inch
- Remarques
- variable Bandbreite
- Poids net
- 17 kg / 37 lb 7.1 oz (37.445 lb)
- Prix de mise sur le marché
- 298.00 RM
- Source
- Handbuch WDRG 1938 / Radiokatalog Band 1, Ernst Erb
- Source du schéma
- Lange+Schenk+FS-Röhrenbestückung
- Schémathèque (1)
- -- Schematic
- Index des illustrations
- Das Modell ist im «Radiokatalog» (Erb) abgebildet.
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Tous les appareils de AEG (Radios) Allg.Elektricitäts-Ges.
Collections
Le modèle fait partie des collections des membres suivants.
Contributions du forum pour ce modèle: AEG Radios Allg.: 78WK
Discussions: 1 | Publications: 1
Gentlemen,
This posting relates to servicing problems on my Telefunken model 776WK but is cross-referenced due to VERY common circuitry. . . . I also place a similar post to the TFK 776WK model.
While reviewing the schematics for the AM2 to AL4 audio coupling capacitors on the model AEG 78WK, and very similar circuits on the Telefunken 776WK and Telefunken 876WK, I notice the switchable extra coupling capacitor installed on the AEG78 and the TFK 876WK - but not on the telefunken 776WK.
Was that perhaps an intentional circuit change, or an omission on the schematic of the 776WK.
There are also differences within the AL4 output (control grid g1 resistor ratings) on the respective models - from 100/.5M ohms to 1,000/.5M ohms
I had for a brief period of time reception of stations on the MW and KW bands although the alignment was off by approximately 60 to 70kHz. After replacing the BF2 transformer, and confirming continuity on both sides, now I am back to the "mute" radio. . .
I would be most appreciative if any member has had similar experiences and could provide some helpful hints!
NOTE:
All tubes have been replaced with new ones, EXCEPT the AB2 detector. . . .That tube has been ordered from a seller in Europe and will be installed within the next week or so.
Respectfully,
Robert
This posting relates to servicing problems on my Telefunken model 776WK but is cross-referenced due to VERY common circuitry. . . . I also place a similar post to the TFK 776WK model.
While reviewing the schematics for the AM2 to AL4 audio coupling capacitors on the model AEG 78WK, and very similar circuits on the Telefunken 776WK and Telefunken 876WK, I notice the switchable extra coupling capacitor installed on the AEG78 and the TFK 876WK - but not on the telefunken 776WK.
Was that perhaps an intentional circuit change, or an omission on the schematic of the 776WK.
There are also differences within the AL4 output (control grid g1 resistor ratings) on the respective models - from 100/.5M ohms to 1,000/.5M ohms
I had for a brief period of time reception of stations on the MW and KW bands although the alignment was off by approximately 60 to 70kHz. After replacing the BF2 transformer, and confirming continuity on both sides, now I am back to the "mute" radio. . .
I would be most appreciative if any member has had similar experiences and could provide some helpful hints!
NOTE:
All tubes have been replaced with new ones, EXCEPT the AB2 detector. . . .That tube has been ordered from a seller in Europe and will be installed within the next week or so.
Respectfully,
Robert
Robert Sarbell † 22.3.22, 04.Jul.08