Question about Crate FlexWave FW15 Guitar Amp Combo, 15 Watt Single 8 Speaker
This is the battery operated Limo. I get a high frequency continuous tone when the rotary dsp pot is turned to by-pass. Get static when rotating thru the effects. Can someone point me to a suspect part? I have reflowed the majority of large solder joints on the pcb's. Any suggestions?
When you are changing the DSP effect on the fly, static or noise is NORMAL !!! The DSP is changing the data and having to recalculate on the fly and doesn't mute itself while doing so which results in "garbage sounds out".
The bypass setting should NOT get any tone UNLESS you have feedback going on. If your guitar can "hear" the speakers in the amp, the strings can vibrate and get feedback going.
Unplug the guitar and see if high freq tone is still there on bypass. If the tone is in the musical range, then there is a problem if nothing is plugged in. If it is a VERY weak, very high frequency tone, this may be the digitizing noise from the DSP. On bypass, the audio is likely to still go through the DSP, just not be modified by it.
Posted on May 03, 2010
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Posted on Jan 02, 2017
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