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BOSS DR55 (Schematics/Manuals/Mods)

BOSS DR55 (Schematics/Manuals/Mods) DR55 does have an authentic sense of early 80s legendary nostalgia… being BOSS’ first DR-machine and also quite a successful early programmable drum machine. It has been used by New Order, The Cure, Chris Carter, Sisters of … Continue reading

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Vox Treble Booster

The Vox Treble Booster was a simple silicon treble boost effect that plugged straight into an amp’s input jack. It allowed the user a boost in high frequencies for lead work. I laid this one out to use as a … Continue reading

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Replacing CR3032 Battery in BOSS SE-50

https://medias.audiofanzine.com/files/se-50-manual-476630.pdf

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Replacing Dead Battery in Digitech DSP 256XL

When the internal alkaline battery of the Digitech DSP 256XL fails, “Battery Failure, All Data Lost” will appear on the unit‘s LCD screen. Unlike other audio hardware, the 256 only wipes out saved patches; it doesn’t wipe its entire memory … Continue reading

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The Technology of Wah Pedals

  The stock “wah” pedal has been around since at least the early 60’s. While there is a persistent rumor that an early version of a wah mechanism was found in the wreckage at the Roswell crash site, I can … Continue reading

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Yamaha SPX50D

https://usa.yamaha.com/files/download/other_assets/9/317169/SPX50DE.pdf

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Yamaha FX500

YAMAHA HAVE ALWAYS been at the forefront of the development of effects processors. From fully professional reverb units like the REV 1, down to the popular multi-effects unit, the SPX90, their presence has always been felt – or heard. The … Continue reading

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VOX847 Axis Wah Modifications

Axis Wah Mods A Great Sounding Wah…On A Budget Over the years, the wah pedal has become one of the most popular and influential of all guitar effects. Many famous guitar players have used this piece of equipment in their … Continue reading

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Silverbird SH-9

Seymour Duncan Silverbird SH-9 Humbucker  The Silverbird is a rare humbucker that was made almost 35 years ago.  It’s more prominently known as the pickup found in the Silverbird guitar made by Zion, as commissioned by Guitar Player magazine in … Continue reading

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Sabbath RangeMaster

One of the earliest treble boosters was the Dallas Rangemaster. Unlike most of today’s clones, the original Rangemaster was not a pedal, but a box meant to be placed on top of the amplifier. The circuit makes use of a … Continue reading

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