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Builder Radiomarelli
Model RD231
Year 1965 about
Bands MW - SW - FM - TV - Phono
Tubes 18AQ8 - 12AJ8 - 12BA6 - 19AK8 - 35QL6 - 35X4 - DM70
Tuning Superetherodyne with MF 455Khz and 10,7Mhz
Power 110-240 Vca
Size 42x18x20
Power audio tube 35QL6
Magic eye DM70


 
 

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Here an image of the receiver just arrived in laboratory. This is a little AM-FM receiver built about in 1965. It's a classic superetherodyne 5 tubes.

 

 
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View of the receiver on the work table disassembledImmagine di come è stato ridotto l'apparecchio ai "minimi termini" per effettuare una pulizia accurata.  Per la cronaca questa foto è stata scattata dopo una prima decisa pulizia effettuata con aria compressa. Notare il porta minuterie verde, comodissimo per tenere viti, vitine,rondelle, valvole sempre in ordine ed a portata di mano per tutto il lavoro di restauro.

 
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View of the wood furniture during the restoration.

 
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Take a look, just dust dust and dust again..

 

Detailed view of a tube socket, the red circle display the damaged contacts, in these cases is very important to guarantee a good contact, otherwise a failure in the receiver may occurs.


 

 

 

Closeup picture of the autransfomer and the curious power cable, with the antenna integrated, the tirtd wire in the red circle.


 

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Detailed view of a broken capacitor, in this case in the FM stage.

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Here is the chassis, when finished the restoration.



 


 


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