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philips: B5X14A/19 (B 5 X 14 A /19); Bi-Ampli-Rad EZ81 or

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Forum » Radios and other type of sets (Physics) etc. » MODELS DISPLAYED » philips: B5X14A/19 (B 5 X 14 A /19); Bi-Ampli-Rad EZ81 or
           
Paolo Pardi
 
 
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31.Mar.09 21:51

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Hello,

 

I have a big problem! there's a missing tube, I suppose is a EZ81 but in schematic I saw an EZ80... but in another page of the schema (misc) there's a EZ81???!?! any suggestion?

thanks anyway.

Paolo Pardi
 
 
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02.Apr.09 18:34

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Ho un'altro problema, mi è saltata la molla che aggiancia il bottone di accensione per permettere sia l'accensione sia lo spegnimento.

Cosa comune a queste radio, ma io proprio su questi particolari sono piuttosto carente!

se qualche anima "pia" mi potesse dare qualche suggerimento sarebbe certamente apprezzato (molto).

Grazie a chiunque.

 

Paolo

Emilio Ciardiello
Emilio Ciardiello
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02.Apr.09 19:20

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Dear Paolo,

Both EZ80 and EZ81 have the same pinout and can be used. The difference is in the rectified current, higher for the second one, 150mA average versus 90mA. When using the EZ81, a longer life can be expected.

Regards, Emilio

Paolo Pardi
 
 
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02.Apr.09 19:59

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Thank you very much Emilio!

sono nuovo alle valvole e non conosco bene questo mondo.

Mille grazie per la tua preziosa informazione!

 

Paolo

This question was moved automatically to the board "Talk" to get more possibilities for answers.
moved from board »RADIO MODELS DISPLAYED« on 20.Apr.09 19:59 from automatically 
Hans M. Knoll
Hans M. Knoll
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20.Apr.09 13:09

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closed !

This article was edited 20.Apr.09 13:10 by Hans M. Knoll .

Moved from board »* TALK - visible for members only« on 22.Apr.09 13:13 from Hans M. Knoll 
  
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