Home › Forums › Help/Technical Questions › Qtron help please
- This topic has 4 replies, 2 voices, and was last updated 14 years, 7 months ago by Dragondreams.
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January 26, 2010 at 9:13 am #79764DragondreamsMember
Hi everyone. New member here, and starting my membership with a question.
A friend has asked me to look at adding a level control to his Qtron. He wants to be able to adjust the level of the effected output only, leaving the bypassed output untouched. He wants this because he’s getting a massive difference in levels when he switches between straight and effected sounds.
Now, as at time of typing this, I haven’t had a play with the pedal. But I would have thought that the output from the Qtron should be adjustable to achieve unity gain, without the need for me to be adding a trim pot in the output stage?
It’s this model:
Hope someone can help.
Paul.
January 26, 2010 at 1:42 pm #96066Fender&EHX4everModeratorI’m sure this isn’t the answer you were hoping for, but I frequently use a compressor after filter effects, like wahs and envelope filters. Filters often have piercing peaks or clip the signal, and I like to keep those tamed a bit. A compressor will also help some with the volume difference.
January 26, 2010 at 2:06 pm #106836DragondreamsMemberMany thanks for the quick response
Point taken about the peaks and resonance. Compression was an option I’d considered suggesting to him. But apparently the volume shift is enormous. The owner of the pedal is a bass player. I can see that using a compressor to try ironing out large shifts in volume could have an unwanted effect on his overall sound.
As I said in my post, I haven’t had chance to try the pedal for myself to see just how bad the problem is. I plan to do that tonight…
I should add that I have an original Bassballs, and I’ve never had any problems with the overall volume changing between “clean” and “effect”.
Paul.
January 26, 2010 at 10:11 pm #106853DragondreamsMemberQuick update.
Got home tonight and tried the pedal for myself. It only works in bypass… Withe the effect on, I can get the overload light to come on with a signal from my bass, but there’s absolutely no output!?!
I suspect the footswitch could be faulty, but I ran out of time before I could check it. It looks now as if I’m going to have to repair it before I can begin to think about modding it.
Why are these “simple” jobs never simple? 🙄 😆
Paul.
January 27, 2010 at 8:37 pm #106865DragondreamsMemberAnother update.
Problem solved.
The lack of sound was due to a broken track on the piece of circuit board around the stomp switch.
And sure enough, the hike in volume between bypass and effect is too much to live with. I’ve simply added a trim pot between the effect out side of the main board and the switch.
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