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Topic: Profex II Input and Output settings |
Pat Heald
From:
Vinemont, Alabama
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Posted 13 Nov 2014 8:44 am |
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| Some time ago I saw a post about Profex II Input and Output Settings and have been unable to locate that post again. Can someone give me info on this post or info on the settings? |
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Larry Dering
From:
Missouri, USA
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Ken Fox
From:
Nashville GA USA
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Posted 14 Nov 2014 7:25 am
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Some notes I made many years ago:
For steel > pedal > Profex II > amp input, the Profex II rear volume control is set at about 3 to 4
Set the input volume control so the input overload indicator (by the volume pot on the front panel) only blinks green on occasion while playing the guitar. If the input clips (light starts to turn red) from the guitar signal, the output of the amp will have a nasty buzzing distortion.
NOTE:
The Profex II is designed as a preamp and signal processor, so the signal is much “hotter” then a steel or guitar pickup. Try the #2 (padded) input jack of the Nashville amp for the above procedure. You will more flexibility with amp’s input volume knob.
An alternate is to use two cables, from the left and right output of the Profex 2 into the #1 and #2 jacks on the front of the guitar amp.
For using an effects loop:
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1- Set the amp for normal working volume level without the Profex II
2- Turn off/down the Profex output level.
3- Plug the “Effect-out” jack of the guitar amp to the “Input” jack of the Profex II.
4- Set the of the Profex 2 input volume to where the green overload LED light comes on occasion only while playing your guitar (watch the LED/ light, as you can't hear anything at this point). This may require a low setting on the Profex II “Input Level control knob”, as the amp’s “Effect-out” signal is much hotter than the guitar pickup’s signal.
An alternate would be to use the pedal patch points of the Nashville amp instead. You will get a little cooler signal for the Profex II input from there.
5- Once the input level is set for the Profex II, plug the output of the Profex II into the “Effects-Return” jack of the amp.
6- Now slowly increase the output level on in until the amp is back to the playing volume in step #1
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Ken Fox
From:
Nashville GA USA
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Posted 14 Nov 2014 7:29 am
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Just a reminder to all. I do not answer tech questions except in the electronics section. Glad to help out where and when I can, but due to abuse by a member some years back I do not answer emails for tech questions. I am retired from all amp repair and amp building. About all I do is still supply mod kits via my website at:
http://foxvintageamps.com/classic_green_004.htm |
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