Q: Should the crossover switch at 110 Hz be held down?

No, the switch does not need to be 'held' down. It is a two-position toggle switch, not a push button. The SUB 702-AS MK3 has two positions for this switch: Pressed position (enabled) : the crossover operates at 110 Hz, filtering frequencies above 110 Hz to the satellite speakers Released position (disabled) : no filtering applied to the output signal Once you have chosen your position (80 Hz or 110 Hz depending on your setup), the switch stays in that position. You only need to press it once to activate it, or release it to deactivate it. There is no need to keep it pressed continuously. Choose 110 Hz if you are using satellite speakers; opt for 80 Hz in other setups.

Q: How to connect the SUB 702-AS MK3 to satellite speakers?

The SUB 702-AS MK3 has 2 male XLR outputs labeled "Link/Xover" located on the back panel, specifically designed to chain and power your satellite speakers. Connection Steps: Connect the male XLR outputs of the subwoofer (Link/Xover) to the female XLR inputs of your satellite speakers using quality balanced cables. The subwoofer receives the audio signal via its 2 female XLR inputs (L/R) from your mixing console. Filtering Configuration: Once the connections are made, use the crossover frequency switch on the SUB 702-AS MK3 to select 80 Hz or 110 Hz . This value determines the separation point between the bass (handled by the subwoofer) and the higher frequencies (sent to the satellites via the filtered XLR outputs). Don't forget to activate the LINK/XOVER switch for the filtering to be applied at the output.

Q: How do I turn off the touchscreen of the RCF SUB 18-AX?

The 2.4-inch capacitive touchscreen of the RCF SUB 18-AX does not have a dedicated button to turn it off. However, it features an automatic sleep system that you can control: Automatic sleep : the screen automatically goes to sleep after a period of inactivity, displaying a black screen while keeping the device powered on. Reactivate the screen : press the rotary encoder located directly next to the touchscreen. This wakes up the screen and displays the home page. You can then control the volume or access the settings. Use in sleep mode : even when the screen is in sleep mode, the rotary encoder remains active and allows you to control the speaker volume without waking the screen. Completely turn off : to completely turn off the screen and the device, use the power button on the back panel of the cabinet. This cuts off the main power supply to the device. The automatic sleep function is an energy-saving feature designed to preserve the lifespan of the touchscreen. You do not need to force the screen to turn off manually: let it go to sleep naturally and press the encoder when you need to use it again.

Question 1

Should the crossover switch at 110 Hz be held down?

Accepted Answer

No, the switch does not need to be 'held' down. It is a two-position toggle switch, not a push button.

The SUB 702-AS MK3 has two positions for this switch:

Pressed position (enabled): the crossover operates at 110 Hz, filtering frequencies above 110 Hz to the satellite speakers
Released position (disabled): no filtering applied to the output signal

Once you have chosen your position (80 Hz or 110 Hz depending on your setup), the switch stays in that position. You only need to press it once to activate it, or release it to deactivate it. There is no need to keep it pressed continuously.

Choose 110 Hz if you are using satellite speakers; opt for 80 Hz in other setups.

Question 2

How to connect the SUB 702-AS MK3 to satellite speakers?

Accepted Answer

The SUB 702-AS MK3 has 2 male XLR outputs labeled "Link/Xover" located on the back panel, specifically designed to chain and power your satellite speakers.

Connection Steps:

Connect the male XLR outputs of the subwoofer (Link/Xover) to the female XLR inputs of your satellite speakers using quality balanced cables.
The subwoofer receives the audio signal via its 2 female XLR inputs (L/R) from your mixing console.

Filtering Configuration:

Once the connections are made, use the crossover frequency switch on the SUB 702-AS MK3 to select 80 Hz or 110 Hz. This value determines the separation point between the bass (handled by the subwoofer) and the higher frequencies (sent to the satellites via the filtered XLR outputs).

Don't forget to activate the LINK/XOVER switch for the filtering to be applied at the output.

Question 3

How do I turn off the touchscreen of the RCF SUB 18-AX?

Accepted Answer

The 2.4-inch capacitive touchscreen of the RCF SUB 18-AX does not have a dedicated button to turn it off. However, it features an automatic sleep system that you can control:

Automatic sleep: the screen automatically goes to sleep after a period of inactivity, displaying a black screen while keeping the device powered on.
Reactivate the screen: press the rotary encoder located directly next to the touchscreen. This wakes up the screen and displays the home page. You can then control the volume or access the settings.
Use in sleep mode: even when the screen is in sleep mode, the rotary encoder remains active and allows you to control the speaker volume without waking the screen.
Completely turn off: to completely turn off the screen and the device, use the power button on the back panel of the cabinet. This cuts off the main power supply to the device.

The automatic sleep function is an energy-saving feature designed to preserve the lifespan of the touchscreen. You do not need to force the screen to turn off manually: let it go to sleep naturally and press the encoder when you need to use it again.

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