Category Archives: Favorites

Phase 90 circuit board revisions

Now I’ve seen hundreds of MXR Phase 90s over the years and by far the most common request is for info on the “Script mod.” I’m certainly not an MXR historian but what I can offer is a first hand … Continue reading

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Expression Pedals and the Phase 90

  Adding an expression pedal jack to control the rate of an effect is a common request that we get for a variety of pedals. The Phase 90 is mentioned quite a bit but unfortunately it uses an uncommon potentiometer … Continue reading

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Pro Co Rat installed in an EHX Big Muff

For years we’ve had people send various Big Muff pedals for rehousing into a smaller casing. The circuit board isn’t nearly as large as the casing that it ships in (specifically in the USA reissue) so it’s a great candidate … Continue reading

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Vintage Small Stone Rehousing

This Small Stone has had quite a history of tinkering and modifications. When it arrived it had broken wires and was literally falling apart. We decided to take it on as a complete rebuild. Every single wire was removed from … Continue reading

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Mu-Tron III overload!

We’ve seen all sorts of Mu-Tron III variations throughout the past year. Some early models that don’t have a DC jack, some late models that didn’t have an option for batteries, some bare circuit boards in need of rehousing. These … Continue reading

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MXR CSP-026 Handwired 1974 Vintage Phase 90 Modifications

This is an update on our previous blog post for the modifications on the Phase 90 Reissue, a.k.a. “Handwired 1974 Vintage Phase 90″. We’re now bundling true bypass, install LED that pulses to the rate of the phaser, install DC … Continue reading

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What’s all this I hear about “true bypass”

If you’re familiar with the topic then feel free to skip ahead and watch the video to see a comparison of the two. If true bypass is new to you, it’s basically a technique of modifying a pedal so when … Continue reading

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Tetris Pedal

One of my favorite projects over the years has been these Tetris-shaped casings that I made. There have been a few different designs such as channel switchers and boost pedals. The one pictured above can be used as either a … Continue reading

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Custom Shop Phase 90

It looks like 2011 is the year of the Phaser. In the past few months there has been an unprecedented demand for modifying and building custom phasers. The one pictured above is based on a “script logo” Phase 90. A … Continue reading

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Phase 90 script logo reissue

MXR recently released a copy of their “script logo” Phase 90. This new version is far more accurate to the original than the standard Phase 90. This includes the six opamps instead of two or three in the reissues, full … Continue reading

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