airzone: Ch= B408; Cub 458

ID: 304057
airzone: Ch= B408; Cub 458 
28.Nov.12 02:40
11

Stuart Irwin (AUS)
Articles: 78
Count of Thanks: 9
Stuart Irwin

Hello,

The circuit diagram that has been uploaded for this model is incorrect.  Could you please remove it.  I have drawn up a circuit for this radio by tracing the circuit but it is in .pdf file.  Perhaps you could tell me how to upload it.  I've tried to attached the file but I get an error, "unknown file type".

 

Regards,

Stuart

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 2
circuit diagram 
28.Nov.12 10:25
11 from 2253

Wolfgang Bauer (A)
Articles: 2497
Count of Thanks: 7
Wolfgang Bauer

Hello,

The schematic must have the PNG format.
You can send me the schematic and I bring it to the correct format.

See also ==> Dateiformate

Regards WB.

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 3
circuit diagram 
23.Jan.24 07:48
1612 from 2253

Stuart Irwin (AUS)
Articles: 78
Count of Thanks: 2
Stuart Irwin

Hello.

I have uploaded the correct diagram, as traced out and drawn by me.

 

Regards, Stuart

 

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 4
circuit diagram 
23.Jan.24 15:48
1643 from 2253

Wolfgang Bauer (A)
Articles: 2497
Count of Thanks: 2
Wolfgang Bauer

Hello,

thanks for the correct circuit diagram.

Now the incorrect circuit diagram (ID= 906756) for the Cub 458 Ch= B408 [tube 6J8G] - Airzone model can be moved to the correct Cub 458 Ch= B408 [tube 6A8G] - Airzone model.

Regards WB.

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 5
circuit diagram 
17.Feb.24 18:03
1802 from 2253

John Pratt (AUS)
Articles: 5
Count of Thanks: 3

The circuit diagram that is incorrectly placed here is the circuit for the Cub 458 ch= 408 and has alredy been upladed to that model.

The correct circuit that Stuart drew up for this model may also apply to the Cub 458 Ch= B408 [tube 6A8G] because the 6A8 and 6J8 are at least pin compatible.

This raises another matter: Is this "6J8 version" an actual model in its own right or has the radio from which this model suggetion was brought had its original 6A8 substituted for the 6J8? We know the 6A8 version is original because the factory applied label on the bottom of both my examples of this radio and the one pictured on the Cub 458 Ch= B408 [tube 6A8G] page shows a 6A8G converter.

Perhaps Stuart could check the label on his example and let us know.

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