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Tube-I-zator Professional PCB

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J

jcastellano

Member
Joined 2011
Some doubts

Hi Oliver,

I'm building the PCB board and I have three doubts.

1.- Is there a link bridge at the top, below the external B+? Or is it optional that link?

2.- Is there an error in the heater part regarding an electrolytic 16v 10mf but the silkscreen states 16v 22mf? In the BOM there are two 10mf but not 22mf...

3.- May I use a 6N1 tube instead of 6N2?

Regards,

Jorge Castellano
 
dvb projekt

dvb projekt

Member
Joined 2009
Paid Member
jcastellano said:
Hi Oliver,

I'm building the PCB board and I have three doubts.

1.- Is there a link bridge at the top, below the external B+? Or is it optional that link?

2.- Is there an error in the heater part regarding an electrolytic 16v 10mf but the silkscreen states 16v 22mf? In the BOM there are two 10mf but not 22mf...

3.- May I use a 6N1 tube instead of 6N2?

Regards,

Jorge Castellano
Click to expand...

Hi Jorge,

to your questions:

1. You must only omit this link, if you want to use ext. B+ for each tube separate.

2. In the V3.1 BOM you have two Elna Silmic II 10µ/16V and one 22µ/16V. :magnify:

Did you have the right BOM?

3. All resistor values are focused for the 6N2P/12AX7/ECC83. If you want to use other tubes, you must look to the technical data and tune the values.

Best
Oliver
 
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