BOSS DM-101 Delay Machine Review – Analog Delay Reinvented for the Modern Guitarist

As someone who’s played through a ridiculous number of delay pedals over the years—tape emulations, digital multitap, bucket brigade classics—I can confidently say the BOSS DM-101 doesn’t just enter the analog delay arena. It redefines it.

First Impressions: Vintage Soul, Modern Brain

Out of the box, the DM-101 looks like a spaceship made for tone chasers. It’s got the classic BOSS ruggedness, but under the hood? Total innovation. This isn’t your granddad’s BBD delay—it’s powered by eight (!) bucket-brigade chips and a CPU working behind the scenes to open up a huge tonal palette. Still 100% analog signal path, but now you get control, clarity, and creativity like never before.

The Sound: Analog Warmth with Extra Mojo

Plugged straight into a clean amp, the Classic and Vintage modes instantly gave me that gooey, blooming warmth I love from traditional analog delays. It’s lush, warm, and sits in the mix beautifully. Push the repeats and it’ll go into that glorious runaway oscillation that inspires whole new song ideas.

Flip to the Modern mode and it’s almost hard to believe it’s analog. It’s bright, articulate, and surprisingly clean—almost like a digital delay but with that undeniable BBD thickness underneath. The Multi-Head mode brings those rhythmic tape-style echoes to life, and if you play ambient or post-rock, the Ambience, Reflect, and Wide modes are absolute goldmines.

Modulation & Stereo: Movement Galore

The modulation is where things start to get wild—in the best way. You've got dedicated knobs for Rate and Depth, and the Variation control morphs depending on the mode you're in. Sine waves, triangle waves, weird multi-phase modulations—it’s all in there. Crank up the modulation in stereo (Dual Mod, Pan, or Pattern mode), and the sound gets huge. This is analog delay as wide and deep as anything digital could offer.

Live Use: Built for the Stage and Studio

Four onboard presets are nice, but it’s the tap tempo, carryover, and MIDI integration that make this thing a true gigging beast. You can run it mono or stereo, blend your wet/dry signals, or set it up in a fully wet parallel rig. There’s even expression pedal control if you want to sweep delay time, feedback, or modulation in real time. I used an external footswitch to cycle through modes and presets on the fly—super handy.

Also, 127 presets via MIDI? That’s borderline overkill, but for studio nerds and pedalboard tweakers, it’s a dream.

The Verdict: The Ultimate Delay for the Analog Lover Who Wants It All

The BOSS DM-101 isn’t just another delay pedal—it’s an instrument. It’s got the soul of vintage gear with the brains of a digital powerhouse, and somehow it all stays true to analog tone.

If you’re into analog warmth but don’t want to sacrifice flexibility, stereo imaging, or modern features, the DM-101 might be the last delay you ever need. It’s not cheap, but for what it offers, it’s worth every cent.


Come into Colemans Music Melbourne and try the DM-101 out for yourself—we dare you not to fall in love.

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