The DOD Phasor 201 is a beautifully simple analogue phaser that delivers smooth, musical modulation without burying the natural character of your guitar and amplifier.

Based on the original DOD Phasor 201 circuit, this modern version retains the distinctive two-stage analogue phasing that gives the 201 its lighter, more open character. Instead of the deeper, more pronounced sweep associated with many four-stage phasers, the 201 produces subtle movement that works particularly well with both clean and driven guitar sounds.

Everything is controlled from a single Speed knob. Set it low for slow, atmospheric movement, move through classic vintage-style swirling textures, or increase the speed for faster modulation that remains articulate rather than becoming overly dense.

For classic rock, psychedelia, funk, blues, indie, alternative and players who simply want a great-sounding analogue phaser without unnecessary controls, the DOD 201 is an excellent choice.

Why Choose the DOD Phasor 201? Classic Two-Stage Analogue Phasing

The defining feature of the Phasor 201 is its two-stage analogue circuit.

Two-stage phasing generally produces a lighter, less dramatic sweep than four-stage and higher-stage designs. That makes the 201 particularly good when you want modulation to complement your playing rather than dominate it.

DOD specifically highlights that the lighter tonality also helps faster speeds remain less cluttered and more articulate.

Expect:

• Warm analogue modulation
• Smooth phase movement
• Subtle swirling textures
• Excellent chord definition
• Musical clean sounds
• Great interaction with overdrive and distortion
• Clearer response at faster settings

One Knob – That's All You Need

The Phasor 201 keeps operation refreshingly straightforward.

Speed

The single control adjusts the speed of the phasing effect.

Turn it down for:

• Slow sweeps
• Atmospheric movement
• Subtle rhythm enhancement
• Ambient textures

Move through the middle for:

• Classic phaser sounds
• Psychedelic rhythm
• Funk
• Vintage-inspired modulation

Increase it for:

• Faster pulsing effects
• More animated modulation
• Rapid swirling textures

There's very little to distract you from actually playing.

DOD Phasor 201 vs Four-Stage Phaser

This is an important distinction for anyone choosing a phaser.

A typical four-stage phaser generally produces a deeper and more immediately obvious sweep.

The two-stage DOD 201 is subtler.

Choose the DOD Phasor 201 if you want:

• Lighter modulation
• Greater articulation
• Subtle movement
• A phaser that complements your core tone
• Simple one-knob operation
• Vintage-inspired analogue character

Consider a four-stage phaser if you want:

• A deeper sweep
• More pronounced modulation
• A stronger, immediately obvious phase effect

The 201 is especially good for players who've tried stronger phasers and found them a little too dominant.

Excellent with Clean Guitar

The lighter character of the 201 works beautifully with clean tones.

Try it with:

• Arpeggios
• Funk rhythm
• Clean chords
• Single-note melodies
• Atmospheric passages
• Delay and reverb

At slower settings, it can add just enough movement to make a clean sound feel wider and more alive without turning the phaser into the main event.

Excellent with Overdrive & Distortion

DOD specifically designed the 201's subtle two-stage phasing to work well with both clean and distorted tones.

Try:

Guitar → Overdrive / Fuzz → Phasor 201 → Amplifier

for a more obvious sweep across the complete driven sound.

Alternatively:

Guitar → Phasor 201 → Overdrive / Distortion → Amplifier

can produce a more integrated modulation where the phase effect becomes part of the gain texture.

Both approaches are useful, and the 201 is simple enough that experimenting is easy.

Perfect for Psychedelic & Classic Rock

Analogue phasing has been part of psychedelic and classic-rock guitar vocabulary for decades.

The 201 is particularly well suited to this territory because it adds movement without becoming excessively dramatic.

Pair it with:

• Fuzz
• Overdrive
• Delay
• Reverb

and you've got an excellent foundation for vintage-inspired psychedelic guitar sounds.

More Than 40 Years of DOD Phaser Heritage

The Phasor 201 isn't simply a modern phaser with retro graphics.

DOD traces the original model back to 1977, making the current version a modernised continuation of one of its early modulation designs. The reissue retains the original circuit concept while adding updated components and practical features for contemporary pedalboards.

Those updates include:

• True-bypass switching
• Blue LED status indicator
• Modern power connection
• Lightweight aluminium chassis

Who Is It For?

The DOD Phasor 201 is particularly well suited to:

• Classic-rock guitarists
• Psychedelic players
• Funk musicians
• Blues guitarists
• Indie players
• Alternative musicians
• Ambient guitarists
• Fuzz and overdrive users
• Vintage-effects enthusiasts
• Pedalboard builders
• Players wanting subtle modulation
• Guitarists who value simple controls

Power Requirements

The DOD Phasor 201 can be powered using:

• 9V alkaline battery
• Compatible 9V power supply

What's Included?

• DOD Phasor 201 Guitar Phaser Effects Pedal

Why Buy the DOD Phasor 201?

The 201 is a particularly strong choice if you've ever found conventional phasers too deep, too obvious or too complicated.

Its two-stage circuit provides enough movement to bring clean chords, riffs and lead lines to life while retaining plenty of definition.

And because there's only one control, it's almost impossible to get lost tweaking it.

Set the speed, step on the switch and play.

Fair Deal Music Verdict 

The DOD Phasor 201 is a brilliant example of why more controls don't necessarily make a better effects pedal.

Best suited for: Classic rock, psychedelia, funk, blues, indie and players who prefer subtle modulation.

Main benefit: The two-stage circuit adds movement while retaining excellent articulation.

Standout feature: One-knob simplicity combined with distinctive two-stage analogue phasing.

Customers usually upgrade from: Basic digital modulation or multi-effects phaser sounds when looking for a dedicated analogue pedal.

Most commonly paired with: Overdrive, fuzz, distortion, delay and reverb.

Our tip: Start with the Speed control low and use the 201 as subtle background movement. Then experiment with placing it before and after your drive pedals – the two positions can feel surprisingly different.

Showroom feedback: The 201 makes particular sense for players who want to hear the guitar first and the modulation second.

Why Buy From Fair Deal Music?

When you buy from Fair Deal Music, you're choosing one of the UK's most established, independent family run music retailers since 1987.

Our Birmingham showroom is backed by a knowledgeable musician-led team who understand guitars, effects, amplification and the practical realities of putting together a dependable pedalboard.

Whether you're building your first board, looking for a particular analogue effect or refining an existing setup, our team can help you choose the right gear.