Question regarding unusual placement of Jose MV

jensbrix

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I've been looking into rebuilding a 5w amp I have lying around. It will use one 12AX7 in the preamp, and I will set both up as plate driven gainstages.

Normally the Jose MV is placed after a cathode follower, and my knowledge on clipping diodes is somewhat limited.

Will there be any significant differences between a Jose MV driven from the plate instead of the cathode follower? Will it be neccesary to insert a voltage divider to prevent the sound from being way to overclipped?
 

chee16

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What amp is it? Seeing a schematic will help a lot.

Have you looked at the valve junior mods? I'm guessing the amp isn't the same but there might be some things to learn from those.
 

ampmadscientist

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I've been looking into rebuilding a 5w amp I have lying around. It will use one 12AX7 in the preamp, and I will set both up as plate driven gainstages.

Normally the Jose MV is placed after a cathode follower, and my knowledge on clipping diodes is somewhat limited.

Will there be any significant differences between a Jose MV driven from the plate instead of the cathode follower? Will it be neccesary to insert a voltage divider to prevent the sound from being way to overclipped?

The plate follower has much higher signal level.
You would probably need a voltage divider if you are driving the clipping diodes.
It's hard to say if a plate follower would still sound good....it would be an experiment.
 

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