Question about Rocktron Velocity 300 150W Rack Power Amp
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Posted on Jan 02, 2017
SOURCE: I'm using the rocktron banshee
You are probably very near a powerful AM transmitter. This is a shielding problem and use of a better quality audio cable between the keyboard and the Talk Box might help as well as CHANGING the length of the cord. Length afects how good an antenna the cord is.
One could put a bypass capacitor in the Talk Box as what you are hearing is "rectification" of the radio station in the high gain of the inout circuit of the talk box... one or two capacitors would likely fix it... I would try 330 Pf caps first right where the cord comes into the box between the signal and ground points.
Posted on Jan 21, 2011
SOURCE: My Rocktron Utopia G200 displays
The symptoms indicate either the WRONG power adapter is being used or the adapter is failing. This unit uses a 9VAC (not DC adapter like many pedals) adpater. If you are trying to use a DC adapter or a multiple pedal power supply that is your problem. Use ONLY the correct power supply with this unit.
Posted on Jun 17, 2011
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