No. The 6N2P is wired to have 6.3v on pins 4/5.
Irritating because it would be nice to be able to swap the two types for listening comparison.
Gary
if one of your heater winding is grounded .
you could end up whit
12ax7
pin 4 +6.3v you shouldnt tie these together .
pin 5 +6.3v
pin 9 ground
use a switch witch is a 2 position 1 pole . ( dual if your using two 6n2p )
to switch pin4 on the 6n2p
6n2p
pin 4 ground
pin 5 + 6.3v
pin 9 ground . this does NOT matter as its only a shield and its not connected to any further elements in the tube .
in this way you could use both
you could end up whit
12ax7
pin 4 +6.3v you shouldnt tie these together .
pin 5 +6.3v
pin 9 ground
use a switch witch is a 2 position 1 pole . ( dual if your using two 6n2p )
to switch pin4 on the 6n2p
6n2p
pin 4 ground
pin 5 + 6.3v
pin 9 ground . this does NOT matter as its only a shield and its not connected to any further elements in the tube .
in this way you could use both
Thanks v4lve,
I will try this when I get my other Tx. The one I'm using for the test build only has 3.15-0-3.15.
I will try this when I get my other Tx. The one I'm using for the test build only has 3.15-0-3.15.
it does not matter if its center-tapped . if im correct . if someone thinks im wrong please correct this .
12AX7 requires 6.3V (or 12.6V). 3.15-0-3.15 is 6.3V CT. You need 6.3V, you have 6.3V - so no problem.
I don't understand the question. Heaters are almost always about the voltage beween two pins, not the voltage on one pin. (minor exceptions are those valves which tie one side of the heater to the cathode, like some beam deflection mixers). You need 6.3V, you have 6.3V. What is the problem?
Thank you DF96 for your post to this thread. As you can probably tell I'm really new at tubes and electrical design, thank you for you patience.
If I understand what you are saying I can connect both legs of the 3.15-0-3.15 to the same pin (4) and pin 5 to ground?
If I understand what you are saying I can connect both legs of the 3.15-0-3.15 to the same pin (4) and pin 5 to ground?
Connect one 3.15 to pins 4 and 5. Connect other 3.15 to pin 9. Connect CT or one of these to ground, depending on context (e.g. other valve heaters on same circuit). This is for 12AX7 etc.
For valves with conventional heater on pins 4 and 5: connect one 3.15 to pin 4, connect other 3.15 to pin 5.
I'm sorry it has taken so long to get here - I was confused by the simplicity of your question! I assumed you knew more than you did.
For valves with conventional heater on pins 4 and 5: connect one 3.15 to pin 4, connect other 3.15 to pin 5.
I'm sorry it has taken so long to get here - I was confused by the simplicity of your question! I assumed you knew more than you did.
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that would be the correct way to connect a 12ax7. not an 6n2p . i thought he wanted to use both
you could use a switch to switch between a 12ax7 and a 6n2p .
i could make you a layout on request .
No. The only difference between 6.3V and 6.3V CT is the CT, which you can always ignore. The heater circuit needs to be connected to something, and for minimum hum this often means that the CT should be grounded but you can ignore the CT and ground one side instead.
So you have valves which require 6.3V. You have a transformer which supplies 6.3V. Provided you can wire one to the other you have no problem. I don't know what is confusing you. Can you read a circuit diagram?
So you have valves which require 6.3V. You have a transformer which supplies 6.3V. Provided you can wire one to the other you have no problem. I don't know what is confusing you. Can you read a circuit diagram?
Once again thanks for your inputs and patience
What v4lve suggested was using a switch to allow the use of a 12AX7 or a 6N2P in the same socket. My response was I need to wait for my new Tx with 6.3V heater supply because I didn't think the switch idea would work with 6.3V C.T.
Attached are sketches showing what I think v4lve was suggesting. Will all three examples work?
Will any work? I think this whole thread went south some where.
What v4lve suggested was using a switch to allow the use of a 12AX7 or a 6N2P in the same socket. My response was I need to wait for my new Tx with 6.3V heater supply because I didn't think the switch idea would work with 6.3V C.T.
Attached are sketches showing what I think v4lve was suggesting. Will all three examples work?
Will any work? I think this whole thread went south some where.
I hope you enjoy your hat! Fried or boiled?
All three diagrams are wrong.
(1) applies 6.3V to a 12AX7 heater wired for 12.6V.
(2) does not provide a complete circuit as one leg of the secondary is left floating.
(3) applies 3.15V to a 6.3V heater.
I have described what is needed for both types of valve. Combining them is a simple exercise (hint: it needs a two pole switch). I am not convinced that a diagram would help, as I am not convinced that the OP and those seeking to help him can read diagrams.
All three diagrams are wrong.
(1) applies 6.3V to a 12AX7 heater wired for 12.6V.
(2) does not provide a complete circuit as one leg of the secondary is left floating.
(3) applies 3.15V to a 6.3V heater.
I have described what is needed for both types of valve. Combining them is a simple exercise (hint: it needs a two pole switch). I am not convinced that a diagram would help, as I am not convinced that the OP and those seeking to help him can read diagrams.
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