Marshall Jubilee Circuit Question

  • Thread starter Thread starter rlord1974
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rlord1974

rlord1974

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I stumbled across this on Wikipedia:

"The Jubilee amps also featured a "pull out" knob that activated a diode clipping circuit (similar to boosting the amp's input with an overdrive pedal). Contrary to popular belief, the Jubilee signal path is all-valve when the boost is not activated."

https://en.wikipedia.org/wiki/Marshall_Amplification

This would suggest that the Jubilee amps only have diode clipping if you choose to use the pull 'Rhythm Clip' setting on the clean channel, and that the lead mode is in fact all tube all the time.

This is not what my understanding was. I thought the diodes in a Jubilee were always in the circuit?

Anybody?
 
I beleive that statement to be true. I will go look at the schem again but Im pretty sure they are only on if you choose rythm clip and the other option, both on push pulls as I recall. I just built a ceriaton 2555 for a friend its a great sounding amp. with or wihtout the clip.
 
if you like that tone the peaveys with the mini dip switches are really good sounding amps that have that mod. similar mod.
 
Two different diode clipping things happening in the Jubilee. Diode clipping always happening on the lead channel. Diode clipping on the Rhythm channel only when the rhythm clip is pulled. Different type clipping circuit than the Jose/VTM type. Jubilee Lead channel is similar to the Wizard Modern Classic and Metal amps.
Jerry
 
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