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© 2003 TDM Audio, Inc. Electronic Crossover Owner’s Manual Page 15
Channel One (or Three) Input Level Input Level
Channel One (or Three) Crossover Frequency High-To-Mid Crossover Frequency
Channel One (or Three) Range Switch High-To-Mid Range
Channel One (or Three) High Output Level High Output Level
Channel One (or Three) Low Output Level Not Used
Channel Two (or Four) Input Level Not Used
Channel Two (or Four) Crossover Frequency Mid-To-Low Crossover Frequency
Channel Two (or Four) Range Switch Mid-To-Low Range
Channel Two (or Four) High Output Level Mid Output Level
Channel Two (or Four) Low Output Level Low Output Level
Figure 7 - Three-Way Control Meanings
Here is a list of the controls for a single channel of the 24CX-3.
• Input Level: This lets you adjust the overall level of the channel. By turning this level up
or down, you can adjust the volume of all speakers for a single channel simultaneously.
• Input Mute: Pressing this button mutes the input to the channel.
• Low Output Level: This lets you set the low-frequency output of the channel.
• Low Output Mute: This button mutes the low output of the channel.
• Mid Output Level: This lets you set the mid-frequency output of the channel.
• Mid Output Phase: Pressing this button reverses the phase of the mid output.
• Mid Output Mute: This button mutes the mid output of the channel.
• High Output Level: This lets you set the high-frequency output of the channel.
• High Output Phase: Pressing this button reverses the phase of the high output.
• High Output Mute: This button mutes the high output of the channel.
• Low/Mid Crossover Frequency: This lets you set the crossover frequency for the low-
to-mid crossover point.
• Mid/High Crossover Frequency: This lets you set the crossover frequency for the mid-
to-high crossover point.
Adjusting the Crossover Frequencies
With the amplifiers off or turned all the way down, set the crossover frequencies. Usually
speaker manufacturers recommend suitable crossover points for their products. It is very
important that the correct crossover frequencies are set before the system is used because
improper crossover frequency settings can damage speaker components even at very low sound
levels. If your unit has range switches (24CX-2 or 24CX-4), make sure they are in the correct
positions for the desired frequencies.