Used MXR Instruments

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United States|Founded 1972|10 instruments tracked|1655 active listings

About MXR

MXR is a United States-based manufacturer founded in 1972. We track 10 MXR instruments across the used market. Browse current MXR listings from Reverb, eBay, and other marketplaces to search and find the best deals.

Why Search MXR on Treblemakers?

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Buying Used MXR: Practical Guide

When buying used MXR pedals, focus on signal integrity and functionality. Look for models that are well-regarded in the community. The MXR Phase 90, commonly found for $75 to $150, is an excellent entry point. Check for proper operation and any signs of wear. Avoid pedals with excessive cosmetic damage; this often indicates neglect or hidden issues. Prioritize units with original packaging and manuals. The MXR Distortion+ from the late '70s to early '80s can fetch over $200, depending on condition. Test all knobs and switches, as replacements can alter the sonic character. Confirm the date of製

MXR Production Eras

Early Production Era

1972-1982

This era saw the original build quality and iconic designs. Many collectors value these for their unique tones and durability.

Collectible — price accordingly.

Mid-Production Era

1983-1998

During this period, MXR began to streamline production. Quality remained high but some iconic features were altered, affecting sound.

Best value, consider sound fidelity.

Modern Production

1998-present

Newer models feature advanced circuitry and lighter materials, allowing for portability but shedding some vintage robustness.

Avoid unless specific features are needed.

Dating MXR Instruments by Serial Number

MXR serial numbers are typically located on the back or bottom of the pedal. Early models often have a 7-digit format starting with a letter followed by six numbers. Newer versions have a more straightforward numeric sequence. To date your pedal, check with enthusiast databases or forums dedicated to MXR. Peer use can guide you through these numbers. Online marketplaces often list this info as a '

Verifying Authenticity

  • Verify that the pedal has original knobs; reissue or aftermarket knobs can indicate a past modification.
  • Check for internal components that have been swapped out — authentic MXR pedals should have consistent, original internals.
  • Inspect the finish closely; excessive wear or refinishing can indicate it's been heavily used or altered. Original paint schemes should match the model characteristics.
  • Study the serial number format; if it doesn't conform to known examples for the production era, be cautious.

Known Issues to Check

  • Early models, especially the Phase 90, can suffer from a faulty switch that leads to intermittent operation.
  • Power supply issues often plague MXR units; always test with a power supply to check for noise or hum.
  • The paint on some older pedals chips easily, leading to cosmetic damage that can affect collector price.
  • Circuit board components may degrade over time, impacting sound quality; always verify tonal performance before purchase.

MXR Instruments

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Used MXR for Sale

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Frequently Asked Questions

What is the average price of a used MXR pedal?

Prices range from $50 for basic models to $300 for collector’s items like the original Distortion+.

How do I know if an MXR pedal is authentic?

Check serial numbers, original knobs, and internal components against known authentic examples.

Are refurbished MXR pedals worth buying?

Yes, if they maintain original circuits and components, but factoring in potential sound changes is important.

What should I listen for when testing a used MXR pedal?

Pay attention to noise, switch operation, and the overall tonal quality to ensure the pedal performs as expected.

How can I identify the production year of my MXR pedal?

Use the serial number on the back to reference online databases or vintage forums for accurate dating.