Einführung
The Mackie PROFX12 is a professional 12-channel compact effects mixer designed for a variety of audio applications, from live sound to studio recording. It features integrated effects and a USB I/O for seamless computer integration. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your PROFX12 mixer.

Figure 1: Mackie PROFX12 12-Channel Compact Effects Mixer. This image shows the overall layout of the mixer, including input channels, main mix section, and effects controls.
Hauptmerkmale:
- Professional 12-channel compact mixer with onboard effects and USB I/O.
- Six low-noise, high-headroom Mackie mic preamps with easy LED metering.
- 32-bit RMFX processor with 16 "Gig-Ready" reverbs, choruses, and delays.
- Precision 7-band graphic EQ for tuning Mains or Monitors.
- USB I/O for recording shows and music playback via Mac or PC.
Wichtige Sicherheitsinformationen
Please read and understand all instructions before using this product. Retain this manual for future reference.
- Energiequelle: Connect the unit only to the type of power source indicated on the unit.
- Erdung: Sorgen Sie für eine ordnungsgemäße Erdung, um Stromschläge zu vermeiden.
- Wasser und Feuchtigkeit: Setzen Sie dieses Gerät weder Regen noch Feuchtigkeit aus. Verwenden Sie es nicht in der Nähe von Wasser.
- Belüftung: Die Lüftungsöffnungen dürfen nicht blockiert werden. Die Installation muss gemäß den Anweisungen des Herstellers erfolgen.
- Hitze: Installieren Sie das Gerät nicht in der Nähe von Wärmequellen wie Heizkörpern, Heizregistern, Öfen oder anderen Geräten (einschließlich ampKonverter (Lüfter), die Wärme erzeugen.
- Reinigung: Nur mit trockenem Tuch reinigen.
- Wartung: Überlassen Sie alle Wartungsarbeiten qualifiziertem Servicepersonal. Eine Wartung ist erforderlich, wenn das Gerät in irgendeiner Weise beschädigt wurde.
Aufstellen
1. Auspacken
Carefully unpack your Mackie PROFX12 mixer and inspect it for any signs of damage. If you find any damage, contact your dealer immediately.

Figure 2: Mackie PROFX12 Product Box. The packaging protects the mixer during transit.
Das Paket sollte enthalten:
- Mackie PROFX12 Mixer
- Netzkabel
- USB-Kabel
- Benutzerhandbuch (dieses Dokument)
2. Physische Verbindungen
Before connecting any cables, ensure the mixer is powered off and disconnected from the mains power supply.

Figure 3: Mackie PROFX12 Rear Panel. This view shows the power input, USB port, and main output connections.
Stromanschluss:
- Connect the supplied power cord to the AC input on the rear panel of the mixer.
- Plug the other end of the power cord into a suitable AC outlet.
- Do not power on the mixer until all other connections are made.
Audioeingänge:
- Mikrofone: Connect microphones to the XLR inputs (channels 1-6) using balanced XLR cables. Ensure phantom power is only enabled if required by your condenser microphones.
- Leitungspegelgeräte: Connect instruments or other line-level devices to the 1/4-inch TRS/TS inputs on channels 1-12. Stereo devices can be connected to stereo channels (e.g., 7/8, 9/10, 11/12) using 1/4-inch cables.
- Cinch-Eingänge: Use the RCA inputs for connecting playback devices like CD players or media players.
Audioausgänge:
- Hauptausgänge: Connect the Main Left and Right XLR or 1/4-inch outputs to your power ampVerstärker oder Aktivlautsprecher.
- Monitorausgänge: Use the Monitor Send output to connect to stage monitors or a separate monitor ampschwerer.
- FX Senden: The FX Send output can be used to route signal to external effects processors if desired.
- Kopfhörerausgang: Schließen Sie Kopfhörer zum Abhören an die 6,35-mm-Kopfhörerbuchse an.
3. USB-Verbindung
The PROFX12 features a built-in USB audio interface for recording and playback with a computer.
- Connect a standard USB cable from the USB port on the rear panel of the PROFX12 to an available USB port on your Mac or PC.
- The mixer should be recognized automatically by most modern operating systems without the need for additional drivers.
- Select the PROFX12 as your audio input/output device in your computer's sound settings or Digital Audio Workstation (DAW) software.
Bedienen des Mixers
1. Channel Strip Controls
Each input channel on the PROFX12 features a set of controls to shape the sound.
- Kontrolle erlangen: Adjusts the input sensitivity for the connected microphone or line-level device. Set this to achieve a strong signal without clipping (indicated by the "OL" LED).
- 3-Band-EQ: Provides High, Mid, and Low frequency adjustments for tone shaping. Use these to enhance or cut specific frequencies.
- Aux-Send: Routes a portion of the channel's signal to the Aux Send output, typically used for monitor mixes.
- FX Senden: Routes a portion of the channel's signal to the internal RMFX effects processor.
- Pan-Steuerung: Positioniert das Kanalsignal innerhalb des Stereofelds (von links nach rechts).
- Kanal-Fader: Regelt den Gesamtlautstärkepegel des Kanals im Hauptmix.
- Stummschaltfläche: Schaltet den Kanal stumm.
- PFL-Taste (Pre-Fader Listen): Routes the channel's signal to the headphones for solo monitoring before the fader.
2. Hauptmix-Sektion
The main mix section controls the overall output of the mixer.
- Hauptfader: Regelt die Gesamtlautstärke des Haupt-Stereoausgangs.
- Control Room/Headphone Output: Provides independent level control for the control room outputs and headphone jack.
- Phantomspeisung (+48 V): Activates phantom power for condenser microphones connected to XLR inputs. Use with caution and only when required.
3. RMFX Effects Processor
The PROFX12 features a 32-bit RMFX processor with 16 built-in effects.

Figure 4: RMFX Effects and USB Input Level Section. This image details the effects preset display, selection knob, mute button, and USB input level control.
- Preset-Auswahl: Use the "Presets" knob to cycle through the 16 available effects (reverbs, choruses, delays). The selected preset number is shown on the digital display.
- FX Mute: Mutes the output of the effects processor.
- FX-Pegel: Controls the overall level of the effects sent to the main mix.
4. 7-Band Graphic EQ
A precision 7-band graphic EQ is provided for fine-tuning the frequency response of your main or monitor outputs.
- Each slider corresponds to a specific frequency band. Adjusting a slider up boosts that frequency, while adjusting it down cuts that frequency.
- Use the "Assign" button to route the graphic EQ to either the Main Mix or the Monitor Mix.
5. Betrieb der USB-Audioschnittstelle
The USB I/O allows for stereo recording of your main mix and stereo playback from your computer.
- Aufnahme: The main stereo mix is sent to your computer via USB. Open your DAW software and select the PROFX12 as your input device to record.
- Wiedergabe: Audio from your computer can be played back through the mixer. Use the "USB Input Level" control to adjust the playback volume. The "USB Thru" button routes the USB input directly to the main mix.
Wartung
- Reinigung: Clean the mixer with a soft, dry, lint-free cloth. Do not use liquid cleaners or solvents.
- Staub: Keep the mixer free from dust. Use a soft brush or compressed air to clean faders and knobs.
- Lagerung: Bei längerer Nichtbenutzung sollte der Mixer an einem kühlen, trockenen Ort aufbewahrt werden, idealerweise in der Originalverpackung oder einem Schutzkoffer.
- Vermeiden Sie Flüssigkeiten: Never allow liquids to spill onto or into the mixer.
Fehlerbehebung
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Keine Tonausgabe |
|
|
| Verzerrter Ton |
|
|
| Hum or noise when using USB |
|
|
| No effects sound |
|
|
Technische Daten
| Marke | Mackie |
| Modell | PROFX12 |
| Anzahl der Kanäle | 12 |
| Konnektivitätstechnologie | USB |
| Stromquelle | Kabelgebundene Elektrik |
| Artikelgewicht | 11.2 Pfund |
| Frequenzgang | 12 KHz (Note: This is likely a specific point, not full range. Refer to full spec sheet for details.) |
| Ausgangssteckertyp | XLR, Klinke |
| Audioeingangstyp | Cinch, XLR |
| UPC | 663961025132, 663961025149 |
Garantieinformationen
The Mackie PROFX12 mixer comes with a 1-year all-inclusive, non-transferable warranty. Please retain your proof of purchase for warranty claims. For specific terms and conditions, refer to the official Mackie webWebsite oder wenden Sie sich an den Kundendienst.
Unterstützung
For further assistance, technical support, or service inquiries, please visit the official Mackie website or contact their customer support department. You can often find FAQs, driver downloads, and additional resources online.
Mackie Official WebWebsite: www.mackie.com