1. Introdución
The RCF F12 XR is a 12-channel analog mixer console designed for professional audio applications. It features high-quality preamplifiers, a comprehensive DSP effects section, and a built-in USB audio interface for recording and playback. This manual provides essential information for the proper setup, operation, and maintenance of your F12 XR mixer.
2. Información importante de seguridade
Please read and understand all safety instructions before operating the device. Retain this manual for future reference.
- Fonte de enerxía: Connect the unit only to a power supply of the type described in this manual and marked on the unit. Ensure the power cord is not damaged or pinched.
- Ventilación: Non bloquee ningunha abertura de ventilación. Instáleo segundo as instrucións do fabricante.
- Auga e humidade: Do not expose this apparatus to rain or moisture. Do not use this apparatus near water.
- Calor: Non instale preto de fontes de calor como radiadores, rexistros de calor, cociñas ou outros aparellos (incluíndo amplificadores) que producen calor.
- Servizo: Non intente atender este produto vostede mesmo. Remita todo o servizo a persoal de servizo cualificado.
- Conexión a terra: Este produto debe estar conectado a terra.

3. Guía de configuración
3.1 Desembalaxe
Carefully remove the mixer from its packaging. Inspect the unit for any signs of damage that may have occurred during transit. Retain the original packaging for future transport or storage.
3.2 Conexión de alimentación
Connect the provided power cord to the AC input on the rear panel of the mixer (refer to Figure 2.1). Plug the other end into a suitable grounded electrical outlet. The F12 XR operates on a Corded Electric power source, compatible with 100-240V AC.
3.3 Conexións de audio
The F12 XR offers various input and output options:
- Entradas de micrófono (XLR): Connect microphones to the XLR inputs (channels 1-6). Ensure phantom power (+48V) is enabled only when using condenser microphones that require it.
- Line Inputs (1/4" TRS/TS): Connect line-level sources such as keyboards, guitars (with DI box), or other audio devices to the 1/4" inputs.
- Stereo Inputs (1/4" TRS): Channels 5/6, 7/8, 9/10, and 11/12 can accept stereo line-level signals.
- Saídas principais (XLR): Connect these to your main PA system or studio monitors.
- Control Room Outputs (1/4" TRS): Connect to control room monitors.
- Phones Output (1/4" TRS): Conecta auriculares para monitorizar.
3.4 Conexión USB
Connect a USB cable from the USB port on the rear panel of the mixer to your computer. The F12 XR functions as a 2-in/2-out USB audio interface, allowing you to record the main mix and play back audio from your computer.

4. Instrucións de funcionamento
4.1 Enribaview de Controis
The F12 XR features a logical layout of controls for intuitive operation. Each channel strip provides dedicated controls for input gain, equalization, auxiliary sends, pan, mute, and level fader. The master section includes controls for the main mix, effects, and monitoring.

4.2 Channel Strip Controls
- GAÑA: Adjusts the input sensitivity for the connected microphone or line source.
- EQ (alto, medio, baixo): Three-band equalizer for shaping the tone of each channel.
- AUX 1/2: Sends for creating monitor mixes or external effects sends.
- FX: Send level to the internal DSP effects processor.
- PAN: Positions the channel's signal within the stereo field (left to right).
- MUTO: Silences the channel's output to the main mix and AUX sends.
- LED PICO: Ilumínase cando o sinal de entrada é demasiado alto, o que indica un posible recorte.
- FADER: Controls the overall level of the channel in the main mix.
4.3 Main Mix and Output Controls
- MAIN MIX FADER: Controls the overall output level of the stereo main mix.
- CTRL ROOM LEVEL: Adjusts the volume of the control room outputs.
- PHONES LEVEL: Axusta o volume da saída dos auriculares.
- VU METROS: Provide visual indication of the main output level.
4.4 DSP Effects Section
The F12 XR includes a PRO DSP FX section with 16 professional effects presets. Use the dedicated controls to select and adjust the desired effect. The FX RETURN fader controls the overall level of the effects in the main mix.

4.5 Interface de audio USB
The integrated USB audio interface allows for 2-channel recording of the main mix to a computer and 2-channel playback from a computer. Ensure your computer's operating system recognizes the mixer as an audio device. No special drivers are typically required for basic functionality.
5. Mantemento
5.1 Limpeza
To clean the mixer, use a soft, dry cloth. Do not use abrasive cleaners, solvents, or waxes. Avoid spraying liquids directly onto the unit.
5.2 Almacenamento
When not in use for extended periods, store the mixer in a cool, dry place, away from direct sunlight and extreme temperatures. It is recommended to use the original packaging for protection.
6 Solución de problemas
If you encounter issues with your F12 XR mixer, refer to the following common problems and solutions:
- Sen enerxía: Ensure the power cord is securely connected to both the mixer and a working electrical outlet. Check the power switch position and the fuse on the rear panel.
- Sen saída de son: Verify that the main mix fader is up, and individual channel faders are at appropriate levels. Check all cable connections to speakers/monitors. Ensure the MUTE buttons are not engaged on active channels.
- Son distorsionado: Reduce the GAIN on input channels if the PEAK LED is frequently illuminating. Lower the main mix fader if the output meters are consistently in the red. Check for impedance mismatches with connected equipment.
- O audio USB non funciona: Confirm the USB cable is properly connected. Check your computer's sound settings to ensure the F12 XR is selected as the input/output device. Restart your computer and the mixer.
- Efectos non escoitados: Ensure the FX send knob on the desired channel is turned up, and the FX RETURN fader in the master section is at an audible level.
If the problem persists, contact RCF customer support or a qualified service technician.
7. Especificacións técnicas
- Marca: RCF
- Número de modelo: 17140090
- Número de canles: 12
- Tecnoloxía de conectividade: USB
- Entrada de audio: XLR
- Fonte de enerxía: Eléctrico con cable
- Dimensións do produto: 1712.6 x 1712.6 x 570.87 polgadas
- Data de primeira dispoñibilidade: 12 de marzo de 2019
8. Garantía e soporte
For information regarding warranty coverage, service, or technical support, please refer to the warranty card included with your product or visit the official RCF websitio. Non intente reparar a unidade vostede mesmo, xa que isto podería anular a garantía.





