Sissejuhatus
The MXR M233 Micro Amp+ is an advanced guitar and bass effects pedal designed to boost and enhance your instrument's tone. Building upon the classic Micro Amp circuit, this pedal features added EQ controls (Bass and Treble), low-noise operational amplifiers, and true bypass switching for superior signal integrity. It provides up to +26dB of clean boost, allowing you to drive your amplifier harder or increase your signal level for solos.
Ohutusteave
- Use only the specified 9V DC power supply (center-negative). Incorrect power supplies can damage the unit and void the warranty.
- Do not expose the pedal to extreme temperatures, humidity, or direct sunlight.
- Vältige pedaali maha kukkumist või sellele tugevate löökide saamist.
- Do not attempt to open the pedal enclosure or modify its internal components. Refer all servicing to qualified personnel.
- Hoida lastele kättesaamatus kohas.
Pakendi sisu
Your MXR M233 Micro Amp+ bundle includes:
- MXR M233 Micro Amp+ Pedal
- 9V DC Power Supply (not explicitly listed in product data, but implied by 'PSU' in model number and standard pedal operation)
- Two (2) Instrument Cables
- Two (2) Patch Cables
- Kasutusjuhend (see dokument)
Toode läbiview
The MXR M233 Micro Amp+ features intuitive controls for precise tone shaping and signal boosting.

Joonis 1: Esiosa view of the MXR M233 Micro Amp+ pedal, showing the Gain, Bass, and Treble control knobs, the footswitch, and the Input/Output jacks.
Controls and Jacks:
- GAIN-nupp: Adjusts the amount of boost applied to your signal, from unity gain up to +26dB.
- BASS-nupp: Controls the low-frequency response of the boosted signal. Turn clockwise for more bass, counter-clockwise for less.
- TREBLE nupp: Controls the high-frequency response of the boosted signal. Turn clockwise for more treble, counter-clockwise for less.
- SISEND pesa: Connect your instrument or the output of another effects pedal here.
- VÄLJUNDI pistik: Connect this to your amplifier's input or the input of the next pedal in your signal chain.
- JALÜLITI: Toggles the effect on and off. The LED illuminates when the effect is active.
- 9V DC sisend: Connect a 9V DC (center-negative) power adapter here.

Joonis 2: Tagumine view of the MXR Micro Amp+ pedal, highlighting the 9V DC power input jack.
Seadistamine
Follow these steps to connect your MXR M233 Micro Amp+ pedal:
- Toiteühendus: Connect a 9V DC (center-negative) power adapter to the 9V DC input jack on the pedal. Ensure the power adapter is compatible to prevent damage.
- Instrumendi ühendus: Use one of the provided instrument cables to connect your guitar or bass to the SISEND jack of the Micro Amp+.
- Amptõsteseadme ühendus: Use another instrument cable to connect the VÄLJUND jack of the Micro Amp+ to your ampelifitseerija sisend.
- Signal Chain Integration (Optional): If integrating into an existing pedalboard, use the provided patch cables to connect the Micro Amp+ between other effects pedals. The Micro Amp+ is typically placed early in the signal chain to boost the instrument's signal before other effects, or later to boost the overall signal for solos.

Joonis 3: Example of an instrument cable included in the bundle.

Joonis 4: Example of a patch cable included in the bundle.
Kasutusjuhised
Once connected, operate your MXR M233 Micro Amp+ as follows:
- Activate the Pedal: Press the footswitch to engage the effect. The LED will light up, indicating the pedal is active. Press again to bypass the effect (true bypass).
- Reguleerige võimendust: Pöörake KASUTAMINE knob clockwise to increase the boost level. Start with the knob at a lower setting and gradually increase to achieve the desired volume and drive.
- Shape Tone with EQ:
- BASS: Reguleerige BASS knob to add or cut low frequencies. For a classic Micro Amp sound, set this knob to the 12 o'clock (noon) position.
- TREBLE: Reguleerige TREBLE knob to add or cut high frequencies. For a classic Micro Amp sound, set this knob to the 12 o'clock (noon) position.
- Katse: The optimal settings will vary depending on your instrument, amplifier, and other pedals. Experiment with different knob positions to find the sound that best suits your needs.
Hooldus
To ensure the longevity and optimal performance of your MXR M233 Micro Amp+:
- Puhastamine: Pühkige pedaali pehme ja kuiva lapiga. Ärge kasutage abrasiivseid puhastusvahendeid ega lahusteid.
- Hoiustamine: Hoidke pedaali mittekasutamisel jahedas, kuivas ja otsese päikesevalguse ning äärmuslike temperatuuride eest kaitstud kohas.
- Kaabli hooldus: Handle instrument and patch cables carefully. Avoid sharp bends or kinks that can damage the internal wiring.
- Toiteallikas: Kui pedaali pikemat aega ei kasutata, ühendage see alati vooluvõrgust lahti.
Veaotsing
| Probleem | Võimalik põhjus | Lahendus |
|---|---|---|
| Pedaali aktiveerimisel pole heli. | Incorrect power supply, faulty cables, incorrect connections, pedal bypassed. | Verify 9V DC (center-negative) power supply. Check all cable connections. Ensure footswitch LED is illuminated. Test cables with another device. |
| Liigne müra või sumin. | Maandussilmus, vigane toiteallikas, häired teistest elektroonikaseadmetest. | Use a high-quality isolated power supply. Try a different power outlet. Move pedal away from other electronic devices. Check for faulty cables. |
| LED ei põle. | No power, faulty power supply, pedal not engaged. | Ensure power supply is connected and functional. Press the footswitch to engage the effect. |
| Boost level is too low/high. | GAIN knob setting. | Adjust the GAIN knob to the desired level. |
If you continue to experience issues, please contact customer support.
Tehnilised andmed
| Funktsioon | Detail |
|---|---|
| Mudel | M233 Micro Amp+ |
| Signaali formaat | Analoog |
| Heliväljundi efektid | Preamp / Boost |
| Max Gain | +26dB |
| Toiteallikas | Juhtmega elektriline (9 V alalisvool, keskne negatiivne) |
| Voltage | 9 volti |
| Vahetamine | Tõeline ümbersõit |
| Kauba kaal | 1.68 pounds (pedal and bundle accessories) |
| Pakendi mõõtmed | 11.3 x 9.96 x 2.99 tolli |
| Värv | Valge |
Garantii ja tugi
This product is covered by a manufacturer's warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or visit the official MXR website. For technical support, troubleshooting assistance, or warranty claims, please contact the retailer where the product was purchased or the manufacturer's customer service department.
For additional resources and product information, you may visit the official MXR websait: www.jimdunlop.com/mxr/





