By Live Sound Staff • May 3, 2016 Working with in live sound isn’t easy by any measure, which is why it’s always wise to be testing your skills. Take a read and see how you stack up against our questions, and be sure to check out our other quizzes as well. As always, some of these questions may have more than one correct answer. 1. Accurate gain structure: A: Is the optimum adjustment an gain adjustments. B: Will maximize output levels. C: Will minimize noise. D: All of the above. 2. CMRR means: A: Common Mode Rejection Ratio. B: Noise is cancelled by equal noise voltage in both conductors. C: Both. D: Neither. 3. VCAs (Voltage Controlled Amplifiers) are: A: Also know as sub-groups. B: Only used in automated consoles. C: Never used without equalization. D: None of the above. 4. A transformer isolator is needed to: A: Create a floating input. B: Create a unbalanced input. C: Create a VCA. D: None of the above. 5. The “VU” in VU meter means: A: Volume Unlimited. B: Voltage Unit. C: Vector Unlimited. D: None of the above. Read the rest of this post 1 2 3 4 Comments Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Tagged with: Humor Live Quizzes · all topics Subscribe to Live Sound International Subscribe to Live Sound International magazine. Stay up-to-date, get the latest pro audio news, products and resources each month with Live Sound.