The best guitar effects pedal to buy on a budget is the MXR M109 Phase 90. This pedal offers a classic phase shifting effect at an affordable price, making it a great choice for guitarists looking to add some movement to their sound without breaking the bank. The MXR M109 Phase 90 has been a staple in the guitar effects market for decades, known for its reliable performance and classic sound.

The MXR M109 Phase 90 is a popular choice due to its simplicity and effectiveness. It provides a smooth, rolling phase shift that can be used to create a variety of textures, from subtle movement to dramatic sweeps. The pedal is known for its warm tone and low noise floor, which is crucial for maintaining the integrity of your guitar's sound. According to a study by Sweetwater, the MXR M109 Phase 90 is one of the most recommended pedals for beginners and seasoned players alike, with a 4.5-star rating out of 5 based on user reviews.

The affordability of the MXR M109 Phase 90 is a significant factor in its popularity. It is priced at around $60, which is significantly lower than many other high-quality effects pedals on the market. This makes it an excellent value for money, especially for guitarists who are just starting out or have a limited budget. Additionally, the pedal is built to last, with a sturdy construction and reliable components that ensure it will withstand the rigors of live performance and studio work.

Another reason for the MXR M109 Phase 90's popularity is its versatility. It can be used in a variety of musical genres, from rock and blues to jazz and country. The pedal's ability to create a wide range of phase shifts makes it a versatile tool for guitarists looking to experiment with their sound. This versatility, combined with its affordability and reliability, makes the MXR M109 Phase 90 an excellent choice for guitarists on a budget.

In conclusion, the MXR M109 Phase 90 is the best guitar effects pedal to buy on a budget. Its classic sound, affordability, and versatility make it an excellent choice for guitarists of all skill levels. With a 4.5-star rating from users and a price tag of around $60, the MXR M109 Phase 90 offers great value for money and is a staple in the guitar effects market.