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C valve System Set-Ups
Using C Valve in a Live PA System
Using C Valve to Warm-up a signal
In this example, a condenser microphone is connected to the C valve’s MIC input using a standard XLR cable. To
make a balanced connection, the C valve’s output is connected to the input of a standard PA mixer using a stan-
dard 1/4-inch TRS (TIP-RING-SLEEVE) cable. The mixers main left and right outputs are connected to powered
PA speakers (for example, the Samson dB500a).
You can use the C valve to “warm-up” the signal from recorded tracks or instruments such as digital electric
piano or bass, to name a couple. The example above shows the two C valves inserted into the insert point of a
mixer on the keyboard and bass channels. Set the input and output level so that you get unity gain (the same
level in and out), and then use the SATURATION control to adjust the amount of tube sound.