6V6

Dear Members

This information can be quite useful for my friends of the radio. The tube 6M6 can also be substituted directly by the tube EL33.

Best Regards

Júlio Branco

The 6V6 and EL33 are NOT equivalent!  A hasty note of warning!

They have the same base, connections and heater volts but differ considerably.  THe heater current of the EL33 is 0.9A compared with 0.45A for the 6V6.

More seriously the biasing requirements are different and could cause dangerous excess anode currents.  Replacing an EL33 with a 6V6 without changing grid bias would not be a good idea!

The power limitation on the EL33 is 9W whereas the 6V6 is 12W; the output impedance is different.

Whilst it may "work" to exchange these tubes it should not be done without circuit changes.

Regards to all,

Roy

Within its maximum ratings, 6AQ5 is equivalent to 6V6, however it is not a direct replacement. You must change the tube socket since the 6AQ5 uses 7 pin miniature and also check that maximum ratings are not exceeded. A cool thing about 6AQ5 and 6V6 is that they have same filament ratings.

Mario

I wonder why this message - if proven to be wrong - still lingers here.

Seen that the original author doesn't seem to care, nobody else has the authorization level to edit and correct the title from 6V6 to 6M6? Or to delete it altogether?

Dear Marco
Thank you for your post. I wanted to check how long it takes until somebody does the apropriate action. This should not be me !
Nothing happens if everybody wonders ...
It is very easy for a member to write directly to the author by clicking below the post the link ...

I did it now the following way:

"Dear Julio
When you begin a new thread please put in the automatic answer to get informed about answers and then check them.
Here the whole "crowd" is waiting that you correct your wrong postings - there are two threads.

When you post something please look up before if this is correct - here you could have seen on the data sheets that it is incorrect.

I suggest that you take the picture, print in red within it that ths should be  6M6 not 6V6
Then it is a valid information for all who again will find that picture elswhere!

Please tell me after having done so.
Thank you.

Cordially,
Ernest"

Dear Members,

I ask all excuse goes my previous information. I was induced in mistake by the fact of my manual of tubes to incorrect be. We won't usually check the technical dates of to manual when this it informs us that equivalence direct exists, in fact, to present it date, I have been following the instructions of the manuals and I have always been having success in my work. Then the reason goes the which I don't have the habit of checking the manuals I or in correct the. Inclusively to removes you doubt if he had or in the tube averaged EL33 changed goes the 6V6, the in the manual he felt this information, I made the experience given that had available the tube 6V6, the radio worked, what concluded that EL33 was damaged. I removed to 6V6, I acquired an EL33, being like this with the concluded work and without noticing the mistake that was to commit. I already analysed the tube 6V6 and it is 100 percent, it was not damaged.

A  thank you very much goes all of the information that gave me on the tubes EL33, 6M6 and 6V6, once again it I confirmed that this forum is very important, and where it I been always to learn.

Best Regards

Júlio Branco