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Skezza

gnd and lift on my genz benz

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I gig  occasionally with two bands playing bass. I use a Genz Benz shuttle 6 as my main head 

I like the sound of the GB after using a load of markbass kit and more recently a TCE RH750.

As  a backup I have a Genz Benz shuttle 3 which I have had three or four years and have never used.

 

OK the valve in the shuttle 6 went haywire during the soundcheck at my most recent gig so I got out the shuttle 3 

I use a 2 x 10 for my onstage sound but  DI into our EV rig 

The sound guy said my sound was way too loud much louder than my usual amp.

 

Now I am MR OCD so every setting I use is marked on the controls of all my amps ( I play guitar in another  band as well) and both my bass amps had all the controls set the same.

When i checked it over after the gig one switch was different 

on the shuttle 6 the GND LIFT switch was set to GND

on the shuttle 3 the GND LIFT switch was set to  LIFT

 

so the question is would this switch (the only switch and setting that was different between the two amps ) cause a much greater line level at the desk

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The ground lift switch can't change the level. By any chance could the mic/line switch be set to the line position on the louder amp?

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no all knobs and switches are in the same positions except the GND LIFT switch as i described

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You are going to need to do more testing and troubleshooting.

 

There may be a small difference in DI level between the two different amp models, but not a huge difference.

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