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Post by lowbudget on Jul 7, 2014 10:46:14 GMT -7
I seem to remember reading somewhere that it only operates on the output tubes. Is it therefore something like a variable pentode-triode switch?
Or is it best looked at as a control for ultra-high treble shaping?
Or maybe something else altogether...
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Post by Eddie on Jul 7, 2014 11:12:37 GMT -7
I think of it as a very high treble control. It is, if I recall, after the tone section circuit wise. Very near the end of the signal chain. I think it is technically a sort of tone control for the power tubes.
Some amps would call these kinds of controls a "High Cut" as in, this control will accentuate the very high treble and help you "cut through" a dense mix.
Eddie
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Post by randalp3000 on Jul 7, 2014 12:00:03 GMT -7
The cut control is between the phase inverter and the power tubes. It dumps high frequencies before going to the output tubes.
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Post by muZician on Jul 7, 2014 14:28:58 GMT -7
^^^ yes. it is in the feedback loop of the power stage. some older amps have no feedback in the power stage...and no cut control
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Post by randalp3000 on Jul 7, 2014 15:52:50 GMT -7
^^^ yes. it is in the feedback loop of the power stage. some older amps have no feedback in the power stage...and no cut control No, a cut control does not use negative feedback(vox, z wreck). You are referring to a presence control which works with negative feedback(Marshall, Z Galaxie)
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Post by muZician on Jul 7, 2014 22:09:13 GMT -7
^^^ yes, thanks, you are right
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