1. Увод
The MXR M87 Bass Compressor is designed to bring studio-quality compression to your bass rig. This pedal offers a comprehensive set of controls to fine-tune your sound, from subtle dynamic control to pronounced compression effects. Featuring CHT™ Constant Headroom Technology, it ensures clear performance and ample headroom. The transparent compression allows your full dynamic range to pass through until the signal reaches the compression threshold, which is visually indicated by ten bright gain-reduction status LEDs. Encased in a durable, lightweight aluminum housing, the M87 is built for the road.
Кључне карактеристике:
- CHT™ Constant Headroom Technology for clear, clean performance.
- True bypass circuitry for uncolored tone when disengaged.
- Ten highly visible gain-reduction status LEDs for precise visual feedback.
- Transparent compression that preserves dynamic range until threshold.
- Durable, lightweight aluminum housing.
2. Controls and Features Overview
The MXR M87 Bass Compressor features a complete array of controls to shape your bass tone effectively.

Слика 1: Врх view of the MXR M87 Bass Compressor, showing the control knobs and footswitch.
Контролна дугмад:
- НАПАД: Adjusts how quickly the compressor reacts to the input signal. Higher settings result in a slower attack, allowing more of the initial transient to pass through.
- ИЗДАЊЕ: Controls how quickly the compressor returns to its uncompressed state after the signal drops below the threshold. Higher settings result in a slower release.
- ОДНОС: Determines the amount of compression applied once the signal exceeds the threshold. Higher ratios mean more aggressive compression.
- УЛАЗНИ: Sets the input level of your bass signal into the compressor. This control also affects when the compression threshold is met.
- ИЗЛАЗ: Adjusts the overall output volume of the pedal.
ЛЕД индикатори:
- ЛЕД диоде за смањење појачања: Ten bright LEDs provide visual feedback on the amount of gain reduction being applied in real-time. This helps in precisely setting the compression.
- ЛЕД СТАТУС: Indicates whether the pedal is engaged (on) or in true bypass mode (off).
Jacks and Footswitch:

Слика 2: Страна view of the MXR M87 Bass Compressor, highlighting the input and output jacks.
- ИНПУТ Јацк: Connect your bass guitar or the output of another pedal to this 1/4-inch input.
- ИЗЛАЗНИ прикључак: Connect this 1/4-inch output to your amplifier or the input of the next pedal in your signal chain.
- POWER Jack: Connect a 9V DC power adapter (not included) to this jack.
- Ножни прекидач за заобилажење: Toggles the effect on and off. The pedal features true bypass, ensuring your tone remains unaffected when the pedal is disengaged.
3. Подешавање
Follow these steps to set up your MXR M87 Bass Compressor:
- Повежите своју бас гитару са ИНПУТ jack of the M87 using a standard 1/4-inch instrument cable.
- Повежите ОУТПУТ jack of the M87 to your amplifier or the next pedal in your signal chain using another 1/4-inch instrument cable.
- Connect a 9V DC power adapter (not included) to the ПОВЕР jack on the side of the pedal. Ensure the power supply meets the pedal's requirements (9V DC, center-negative).
- Укључите свој amplifier and adjust its volume to a suitable level.
Видео 1: Оверview of the MXR M87 Bass Compressor, demonstrating its features and connections.
4. Упутство за употребу
The MXR M87 Bass Compressor is designed for intuitive operation. Experiment with the controls to find the perfect compression for your playing style and musical context.
Основна операција:
- Engage the pedal by pressing the БИПАСС Ножни прекидач. The STATUS LED will illuminate.
- Start with all control knobs (ATTACK, RELEASE, RATIO, INPUT, OUTPUT) at their 12 o'clock positions.
- Play your bass and adjust the ИНПУТ knob until the GAIN REDUCTION LEDs show consistent activity, indicating that the compressor is engaging.
- Подесите РАТИО knob to control the intensity of the compression. Lower ratios provide subtle smoothing, while higher ratios create a more pronounced, squashed effect.
- Фино подесите АТТАЦК и РЕЛЕАСЕ knobs to shape the transient response and sustain characteristics. Faster attack settings will compress the initial pluck more, while slower attacks allow more punch. Faster release settings will return to uncompressed sound quickly, while slower releases provide longer sustain.
- Користите ОУТПУТ knob to match the volume of the compressed signal to your bypassed signal, or to provide a boost if desired.
Tips for Tone Shaping:
- For subtle peak limiting and dynamic control, use a lower RATIO setting (e.g., 2:1 or 4:1) with moderate INPUT.
- To achieve a more sustained and punchy tone, increase the RATIO and adjust ATTACK to be slightly slower, allowing the initial transient to cut through before compression engages.
- The GAIN REDUCTION LEDs are crucial for understanding how the compressor is reacting to your playing. Aim for consistent, but not excessive, gain reduction for natural-sounding compression.
5. Спецификације
| Спецификација | Валуе |
|---|---|
| Тежина артикла | 11.68 унци |
| Димензије производа | 2.6 cm D x 6 cm Š x 4.4 cm V |
| Број модела ставке | М87 |
| Материјал тела | Алуминијум |
| Боја | Бела |
| Тип конектора | Аудио прикључак од 6.35 мм (1/4 инча) |
| Хардверски интерфејс | 1/4-инчни аудио |
| Формат сигнала | Аналог |
| Извор напајања | Цордед Елецтриц |
| Волtage | 9 Волтс |
| Батерије | 1 9V battery required (not included) |
6. Одржавање
To ensure the longevity and optimal performance of your MXR M87 Bass Compressor, follow these maintenance guidelines:
- Чишћење: Use a soft, dry cloth to clean the pedal's exterior. Avoid abrasive cleaners or solvents, as they may damage the finish.
- Складиштење: Store the pedal in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, remove any batteries to prevent leakage.
- Везе: Periodically check all input/output jacks and power connections for any signs of wear or corrosion. Ensure cables are securely plugged in during use.
- Напајање: Always use a regulated 9V DC, center-negative power supply to prevent damage to the pedal.
КСНУМКС. Решавање проблема
If you encounter issues with your MXR M87 Bass Compressor, refer to the following common troubleshooting steps:
- Нема звука:
- Проверите све кабловске везе (инструмент, ampспасилац, моћ).
- Уверите се да је напајање правилно повезано и да функционише.
- Проверите да ли је ваш инструмент и ampУсиснивачи исправно раде заобилажењем педале.
- Check the OUTPUT knob setting; ensure it is not turned down completely.
- Нежељена бука/брујање:
- Ensure you are using a high-quality, isolated power supply.
- Проверите да ли има неисправних каблова.
- Try the pedal in a different location to rule out electrical interference.
- Adjust the INPUT and OUTPUT knobs to avoid overdriving your ampлифиер или друге педале.
- Compression Not Engaging:
- Повећајте ИНПУТ knob setting. The GAIN REDUCTION LEDs should light up when compression is active.
- Осигурајте РАТИО knob is set above its minimum value.
8. Шта је у кутији
Your MXR M87 Bass Compressor package includes:
- MXR Bass Compressor Pedal
9. Гаранција и подршка
For warranty information and technical support, please refer to the official MXR webсајт или контактирајте овлашћеног продавца. Сачувајте доказ о куповини за евентуалне рекламације по гаранцији.