MXR Phase 90 Guitar Effects Pedal Instruction Manual

1. Acabatview

The MXR Phase 90 is a classic analog phase shifter pedal designed for electric guitars and other instruments. It is renowned for its rich, warm analog tone, capable of adding shimmery velocity and dramatic swooshing effects to your sound. This pedal features a simple, single-knob control for ease of use and has been a staple on countless professional and amateur pedalboards for decades.

Figura 1: Frontal view of the MXR Phase 90 pedal, showing the single 'Speed' knob, MXR logo, and footswitch.

Característiques principals:

• Rich, warm analog tone.
• Adds shimmery velocity and dramatic swooshing to your tone.
• Timeless phase shifter used on many classic recordings.
• Simple single-knob 'Speed' control.
• C metàl·lic resistentasing.

2. Configuració

Follow these steps to properly set up your MXR Phase 90 pedal:

1. Font d'alimentació: The Phase 90 can be powered by a single 9-volt battery or an optional ECB003 AC Adapter. If using a battery, ensure it is properly installed in the battery compartment (typically accessed by removing the bottom plate). If using an AC adapter, connect it to the 9V DC input jack on the side of the pedal.


Figura 2: lateral view of the pedal, highlighting the 9V DC power input jack.

2. Connexió d'entrada: Connect your guitar (or other instrument) to the 'INPUT' jack on the right side of the pedal using a standard 1/4-inch instrument cable.
3. Connexió de sortida: Connect the 'OUTPUT' jack on the left side of the pedal to your amplifier's input (or the next pedal in your signal chain) using another standard 1/4-inch instrument cable.

Figura 3: superior view of the pedal, showing the 'INPUT' and 'OUTPUT' jacks for signal connection.
4. Col·locació: Place the pedal on a stable surface or integrate it into your pedalboard.

3. Accionament del pedal

The MXR Phase 90 is designed for straightforward operation with its single control knob.

Controls:

• Controlador de VELOCITAT: This is the only control on the pedal. It adjusts the rate of the phasing effect. Turning the knob clockwise increases the speed of the phase sweep, resulting in a faster, more intense modulation. Turning it counter-clockwise slows down the sweep, creating a more subtle and gradual effect.
• Interruptor de peu: Press the footswitch to engage or bypass the effect. The red LED indicator will illuminate when the effect is active.

Consells d'ús:

• Experiment with the 'Speed' knob to find the desired modulation rate for your music.
• Place the Phase 90 before or after distortion/overdrive pedals in your signal chain to achieve different tonal characteristics.

4. Manteniment

Proper maintenance will ensure the longevity and optimal performance of your MXR Phase 90 pedal.

• Neteja: Feu servir un drap suau i sec per netejar l'exterior del pedal. Eviteu productes de neteja o dissolvents abrasius.
• Emmagatzematge: Guardeu el pedal en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
• Substitució de la bateria: If using battery power, replace the 9V battery when the LED indicator dims or the effect weakens. Disconnect input/output cables before opening the battery compartment.
• Connexions de cable: Periodically check all cable connections for tightness and ensure cables are not frayed or damaged.

5. Solució De Problemes

If you encounter issues with your MXR Phase 90, refer to the following common troubleshooting steps:

• Sense so:
  • Ensure all cables are securely connected to the correct input/output jacks.
  • Check the power supply. If using a battery, replace it. If using an AC adapter, ensure it is properly plugged in and functioning.
  • Test the pedal with different cables, guitar, and amplifier per aïllar el problema.
• Weak or Distorted Effect:
  • Check the power supply; a weak battery can cause degraded performance.
  • Ensure the 'Speed' knob is not set to an extreme position that might produce an undesirable sound.
• Soroll no desitjat:
  • Ensure you are using a regulated 9V DC power supply if not using a battery.
  • Comproveu si hi ha bucles de terra a la vostra configuració.
  • Assegureu-vos que tots els cables estiguin blindats i en bon estat.

6. Especificacions

7. Garantia i Suport

For warranty information and technical support, please refer to the official MXR website or contact the retailer from whom you purchased the product. Keep your proof of purchase for any warranty claims. Specific warranty terms and conditions may vary by region.