K200B Harmonic Clipper [message #12724] |
Fri, 22 January 2010 22:34 |
milo
Messages: 44 Registered: July 2009
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I rigged up a temporary footswitch for my recently purchased K200B-3 and was able to test out the Selective Boost and the Harmonic Clipper effects. The Boost works fine...I'm not so sure if the Clipper is working correctly, though.
I know not to expect a great distortion effect, however, I'm getting what sounds almost like an oscillating volume change that seems to vary with how hard I hit the strings. The amount of distortion/effect also seems to waver as the notes sustain and it sometimes seems like they decay faster than without the effect turned on.
Is this pretty much how the Harmonic Clipper sounds or is there most likely a failing component? Any usual suspects if this is indeed an issue with the amp? Everything else seems to work great and the amp sounds fine otherwise.
Thanks.
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Re: K200B Harmonic Clipper [message #12726 is a reply to message #12724] |
Sat, 23 January 2010 10:39 |
ironman
Messages: 12 Registered: January 2010 Location: Chicago
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Junior Member |
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I'm not familiar with all of the features on your amp. Is there onboard trem or Reverb that could be leaching into your signal. Just a thought...
Dave
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Re: K200B Harmonic Clipper [message #12729 is a reply to message #12724] |
Sat, 23 January 2010 13:24 |
rodak
Messages: 515 Registered: October 2001 Location: Georgia
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Senior Member |
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Doesn't sound like it's working properly. I would expect the Clipper to sound like a fuzz box. When you "Clip" a waveform, you transform it into sort of a square wave, which has a lot of "Harmonics" - that's the basic sound of the traditional fuzz box.
www.combo-organ.com
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Re: K200B Harmonic Clipper [message #12745 is a reply to message #12740] |
Mon, 25 January 2010 12:01 |
chicagobill
Messages: 2005 Registered: April 2003
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Senior Member |
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The one thing that I have found in regard to the clipper circuit is that the signal going into the distortion stage is controlled by the volume control. If you are playing at lower volumes there isn't enough signal to really drive the clipper into smooth distortion.
If you turn up the volume control all the way and turn down the clipper control to adjust the output volume, you will usually get a better sounding distortion. The problem here is that when you turn off the clipper, the volume of the amp is full on. Not a really useful setting.
I guess you could set up the right channel of a 200B-4 for distortion sound only, and then set up the left channel for your clean sound and use an A/B switch in front of the amp to channel switch.
There really should be an additional gain stage at the front of the clipper circuit.
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