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MXR M101 Phase 90
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MXR M101 Phase 90

Phaser for Guitar from MXR belonging to the Phase 90 series

pdecirce pdecirce
Published on 08/02/08 at 14:25
MXR Phase 90 pedal is a small analog stomp box (foot pedal) made of hard steel casing, with a 1/4 jack going in (from instrument) to output. There is one knob marked speed. This of course is the design, but older boxes will sound different from newer ones. My pedal is from early 2000's and is probably very similar to ones you will find for sale tody. The side of the pedal has a housing for a common 9V plug or battery will do; this pedal is one of the few that has never given me any powering problems.

UTILIZATION

This pedal is a pantheon in rock music. Chances are your favorite rock music is laden with phase pedal effects. For example, Led Zeppelin's &quot;Ten Years Gone&quot; -- that first hard rock lick in the beginning, there's some serious phase. Phase is excellent for most instruments, especially bass guitar, electric guitar, keyboards, even voice (probably from a rack module, though, unless your singer wants it live). As you can tell, phase is used when you want to add a 'washy' or 'warbly' tone. The box grabs the incoming tone and 'phases' the wave at a different rate and tone then feeds it out. The speed can make it seem very gradually whooshing or high speed for a sound similar to when you hum and tap your adam's apple. And for good entry level and pro type phase, in my opinion, this is an absolute must. These are the pedals Eddie Van Halen somehow turned into an incredible tonal fury. For funk, reggae, R&B, uptempo grooving and rhythm, this pedal is simply unbeatable. Try a Les Paul with the tone high on the neck pickup, phase it out at about half-way on the speed dial, and try a couple of 'bob marley' rhythm chops...home free, mon!

SOUND QUALITY

There are many companies manufacturing phase; it's a common effect. Even MXR tried to outdo themselves with a Super 90 which was a wider orange box, adding some different wave settings. Why doesn't it sound as rich and full as the simple 90? Who knows. There's no overstating the versatility of this pedal, especially when handling any kind of rhythm work on your instrument. Soloing with the pedal makes the notes sound too washy for my taste and I have a tendency to use it primarily in rhythm. And it doesn't mix well with a wah-wah (too much loss of control in cancellation). But for the $100 to $120 you'll pay for this pedal (maybe even cheaper), you'll be adding a very rich tonal variation to break up the thin tone of no effects.

OVERALL OPINION

This is one of my favorite pedals for any rhythm work in funk, rock, r&b, reggae, proggy/psychedelic. One of the great grandaddies of killer tone and reliability.