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Konzertgerät 5040GW/3D

Konzertgerät 5040GW/3D; Grundig Radio- (ID = 12456) Radio
 
Konzertgerät 5040GW/3D; Grundig Radio- (ID = 551267) Radio
 
Konzertgerät 5040GW/3D; Grundig Radio- (ID = 28606) Radio
Konzertgerät 5040GW/3D; Grundig Radio- (ID = 512466) Radio Konzertgerät 5040GW/3D; Grundig Radio- (ID = 512467) Radio
Konzertgerät 5040GW/3D; Grundig Radio- (ID = 512468) Radio Konzertgerät 5040GW/3D; Grundig Radio- (ID = 512469) Radio
Konzertgerät 5040GW/3D; Grundig Radio- (ID = 567597) Radio Konzertgerät 5040GW/3D; Grundig Radio- (ID = 567599) Radio
Konzertgerät 5040GW/3D; Grundig Radio- (ID = 776764) Radio Konzertgerät 5040GW/3D; Grundig Radio- (ID = 776765) Radio
Konzertgerät 5040GW/3D; Grundig Radio- (ID = 776766) Radio Konzertgerät 5040GW/3D; Grundig Radio- (ID = 1426466) Radio
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Konzertgerät 5040GW/3D; Grundig Radio- (ID = 512466) Radio
Grundig Radio-: Konzertgerät 5040GW/3D [Radio] ID = 512466 850x613
Select picture or schematic to display from thumbnails on the right and click for download.
For model Konzertgerät 5040GW/3D, Grundig (Radio-Vertrieb, RVF, Radiowerke)
 
Country:  Germany
Manufacturer / Brand:  Grundig (Radio-Vertrieb, RVF, Radiowerke)
alternative name
 
Grundig Portugal || Grundig USA / Lextronix
Year: 1954/1955 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 10: UF80 UC92 UCH81 UCH81 UM4 or UM35 UBF80 UAA91 UCH81 UL41 UL41
Main principle Superhet with RF-stage; ZF/IF 468/10700 kHz; 3 AF stage(s)
Tuned circuits 11 AM circuit(s)     11 FM circuit(s)
Wave bands Broadcast, Long Wave, more than 2 x SW plus FM or UHF.
Details
Power type and voltage AC/DC-set / 110; 125; 220; 240 Volt
Loudspeaker 4 Loudspeakers
Power out 8 W (unknown quality)
from Radiomuseum.org Model: Konzertgerät 5040GW/3D - Grundig Radio-Vertrieb, RVF,
Material Wooden case
Shape Tablemodel with Push Buttons.
Dimensions (WHD) 706 x 444 x 318 mm / 27.8 x 17.5 x 12.5 inch
Notes Grundig Konzertgerät 5040GW/3D hat im Gegensatz zum Wechselstrom-Modell 5040W/3D keine Motorabstimmung. Additive Triodenmischung für die AM-Bereiche. Der VDRG-Katalog 1954/55 führt irrtümlich UF89 als UKW-Vorstufe, lediglich 1x UL41 als Endstufe.
Net weight (2.2 lb = 1 kg) 17.3 kg / 38 lb 1.7 oz (38.106 lb)
Price in first year of sale 565.00 DM
Source of data HdB d.Rdf-& Ferns-GrH 1954/55 / Radiokatalog Band 1, Ernst Erb
Literature/Schematics (1) -- Schematic


All listed radios etc. from Grundig (Radio-Vertrieb, RVF, Radiowerke)
Here you find 6061 models, 5286 with images and 4091 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



 


Forum contributions about this model
Grundig Radio-: Konzertgerät 5040GW/3D
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grundig: 5040GW/3D; Konzertgerät
James Miller
16.Dec.11
  1

I am restoring a Grundig 5040W/3D and want to share photographs and what I have learned.  I have uploaded some photographs from the initial steps of restoration.  I used schematics and forum information from radiomuseum.org, thank you!

Here is what I have done so far:

Replaced almost ALL capacitors - most of the paper capacitors were bad, leaky or out of tolerance.  They have been replaced with modern capacitors, some of them were replaced with "Orange Drop" capacitors (see photos).  Special consideration given to any coupling capacitors such as the one that drives the grid of the EL-12 tube.  A shorted or leaky capacitor here will place positive voltage on the grid causing the tube to conduct heavily and over heat.  Evidence is seen in the cathode resistor of the EL-12 which may be burned or actually smoke!

Replaced selenium rectifier with modern silicon rectifiers - the original rectifier in the black can (probably selenium) had too much resistance and over heated, so the high voltages to the tubes was too low.  Replaced with four 1KV 1A silicon diodes (see photo).  The set really came alive after that!   I left the old rectifier on the chassis and simply clipped its leads to preserve as much of the original look as possible.

Replaced some weak tubes.   I used a tube tester to identify bad tubes and replaced them.  All except the EL-12 and EF804 have American equivalents. 

The full resolution (large) photos of the project are available on Photobucket at this LINK.

I will try to post more information as the project continues.

 

James Miller

 

 
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grundig: 5040GW/3D;
Andreas Steinmetz
09.Jun.05
  1 Literaturhinweis: Unter
http://www.radiomuseum.org/forum/additive_mischschaltungen_in_den_am_wellenbereichen.html
finden Sie ausführliche Informationen zum Thema Additive Mischung in den AM-Bereichen.
 
Grundig Radio-: Konzertgerät 5040GW/3D
End of forum contributions about this model

  
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