Quick question... Which tube is V1?

[Guns1rose]

Ive got a '67 Vibrolux reverb, and im going to put a NOS Mullard ax7 in the v1 position. Is V1 ALWAYS all the way to the right when looking at the back of the amp?

 

[phyrexia]

It is generally the first tube that your guitar signal goes to, so it's normally closest to the input jack.

If you're looking at the chassis, there is usually a shielded wire running directly to V1 from the input jack.

 

[small axe]

you should look for the schematics on the net or hope someone knows

 

[riff1006]

Its the farthest one from the power tubes IIRC.

 

[tcmono]

On a Blackface or Silverface Fender, V1 is the farthest to the right looking at the back of the amp. HOWEVER, V1 is the first gain stage for the NORMAL channel. If you don't plug into NORMAL, don't waste a good tube here. As a matter of fact, you can leave the tube out altogether and get a little more gain out the VIBRATO channel. If you use the VIBRATO channel, the second tube from the right (V2) is its gain stage. If you use reverb or vibrato, put your good tube here!

 

[Guns1rose]

THANKS!