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Modular Amps
Egnater / Randall Modular Amps
driving more than one amp from guitar.. hey Fig
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<blockquote data-quote="kc2eeb" data-source="post: 82317" data-attributes="member: 811"><p>Thoughts about Ground Lift, Ground adapters and loops.</p><p>First, are both amps plugged into the same socket? </p><p>Second, if you lift the ground from one amp (using a ground adapter)</p><p>and you have the guitar cable going from one amp to another, it is still</p><p>grounded PROVIDED that the shield of the guitar cable is connecting the two chassis. That's why the RM4 has a ground lift switch. It's to eliminate ground LOOPS, not to disconnect the ground connection.</p><p>It's easy to check. With all the cables plugged in, use a multimeter to check for continuity between the chassis ground of both amps. If you lift the ground from ONE amp and it shows continuity between the amp chassis, as long as</p><p>ONE AC cord is connected to ground, you've got it.</p><p>The idea is to have ONE path to ground.</p></blockquote><p></p>
[QUOTE="kc2eeb, post: 82317, member: 811"] Thoughts about Ground Lift, Ground adapters and loops. First, are both amps plugged into the same socket? Second, if you lift the ground from one amp (using a ground adapter) and you have the guitar cable going from one amp to another, it is still grounded PROVIDED that the shield of the guitar cable is connecting the two chassis. That's why the RM4 has a ground lift switch. It's to eliminate ground LOOPS, not to disconnect the ground connection. It's easy to check. With all the cables plugged in, use a multimeter to check for continuity between the chassis ground of both amps. If you lift the ground from ONE amp and it shows continuity between the amp chassis, as long as ONE AC cord is connected to ground, you've got it. The idea is to have ONE path to ground. [/QUOTE]
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Modular Amps
Egnater / Randall Modular Amps
driving more than one amp from guitar.. hey Fig
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