Tommy2Gunns Posted February 23, 2018 Share Posted February 23, 2018 I'm having trouble with channel volumes between left and right channel. I have a Marshall DSL in the left channel and a Marshall JVM in the right channel. Both amps are setup with the 4 cord method so the DSL is in Loop1 and the JVM is in Loop 2. I have normalized the input level by matching up the sound level for the DSL and JVM so I can switch between preset patches and the amps without a noticeable volume change. The problem is when I use the JVM to power both channels, the JVM preamp going into the DSL has a significant volume boost but using the DSL into the JVM. I can adjust the output volume on the JVM with the master volume control but the DSL is still louder than the JVM ... even after using the Pentode/Triode switch in the back. I thought about getting an attenuator but I was wondering if there is a setting to adjust the output levels between the left and right channel? The weird thing is ... if I setup the two amps to run stereo to where the DSL preamp goes to the DSL poweramp and the JVM preamp goes to the JVM poweramp then it's fine. So I'm not sure if an attenuator will even help. Any suggestions? Quote Link to comment Share on other sites More sharing options...
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