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Digital data of a world-renowned Japanese-made machine is now available for download.

[The Boutique Revival] Mad Professor Handwired: 3 Models That Transform Your Touch into Sound [Sound Demos & Reviews]

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    A selection of Japanese analog sounds, including anime and fusion music.

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"So, how does manual wiring affect sound?"
"What is the difference between this and mass-produced machines?"

Mad Professor has relaunched the traditional Handwired series with three new models.

It carefully follows the "boutique method" of using top-mounted jacks, through-hole PCBs, Alpha pots, Switchcraft jacks, and being manufactured in Finland.

In this article, we'll explain everything from the appearance and specifications of each model to the actual pros and cons!

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\ Going to meet Sound House's sister /

An older sister I often see

Please use Sound House again next time.

Mad Professor|Sweet Honey Overdrive Handwired

Product Features
  • Extremely sensitive to touch, designed to accurately reproduce the nuances of your right hand
  • Perfect for layering a "sweet" thin distortion on top of a clean tone
  • Focus knob lets you intuitively adjust the attack and range
  • Great for recreating vocal accompaniment and light breakup from combo amps
  • Quiet operation and easy handling thanks to hand-wired quality

The very slight distortion greatly enhances the player's nuances, adding warmth and stickiness to chords. The Focus knob intuitively adjusts the "hardness" of the attack and the opening range, so expression doesn't disappear even at settings closer to clean. It doesn't muddy the sound even when used for vocal accompaniment or mixed acoustic guitars, making it excellent for adding color to your guitar when always on.

Positive reviews
  • "Amazingly touch-sensitive and crystal clear"
  • "The dynamics make it one of the cars you should own before you die."
Negative reviews
  • Some people said, "I preferred Honey Bee."

 

Mad Professor
55,000 JPY(TAX+) (As of 2026:05, March 16, 13 | Rakuten Market research)

Mad Professor|Royal Blue Overdrive Handwired

Product Features
  • Transparent sound that emphasizes the original sound, bringing out the individuality of the guitar and amp
  • Flexible adjustment of single/hum and amplifier difference with upper and lower tones
  • Variable range that can be used as an EQ booster with Drive set to minimum
  • Dynamics that respond intuitively to picking strength
  • Hand-wired structure makes it durable for long-term operation and maintenance

The design adds punch and tension without compromising the amp's character. The upper and lower tones are independent, so you can quickly determine the placement of the frequency band for single coils or humbuckers. From a light boost to a singing crunch, this single unit can be completed, and the sound image remains smooth even when stacked.

Positive reviews
  • "A highly responsive pedal that produces a wide range of rich, cranked amp-like drive."
  • "An indispensable choice alongside Lightspeed and Timmy"
Negative reviews
  • "I want to carefully control the high frequencies. I'm not good at high gain applications."

 

Mad Professor
55,000 JPY(TAX+) (As of 2026:05, March 16, 13 | Rakuten Market research)

Mad Professor|Deep Blue Delay Handwired

Product Features
  • Natural decay and graininess that doesn't muddy even when layered with distortion
  • 3 knobs for quick setup from slap to creating an airy feel
  • Preserves the core of the original sound with the feel of an analog dry pass
  • Top-mounted jack and rugged housing make it easy to fit on a board
  • Low noise operation thanks to hand wiring and carefully selected parts

The "backward" reverb doesn't overpower the original sound, preserving the contours of riffs and arpeggios. It's easy to find the right balance even with short notes, and you can quickly add depth to match the tempo of the song. The quietness of a hand-wired guitar and the easy-to-use top jack make this a guitar that's easy to incorporate right into your playing board.

Positive reviews
  • "Deep Blue is smooth and doesn't crush the sound even with distortion."
  • "It helps avoid clichés and stimulates creativity."
Negative reviews
  • "Some people say the old HW has a longer time. How do you view the price difference?"

 

Mad Professor
55,000 JPY(TAX+) (As of 2026:05, March 16, 13 | Rakuten Market research)

Summary | Converting the player's touch directly into sound

If you want to rotate the main axis of distortion with one Royal Blue.

If you want to add space without losing the outline of your riff or solo Deep Blue.

Adding the shine of clean and the stickiness of low gain Sweet Honey.
Mad Professor's Handwired is a revival piece that could become the core of your board, with its ``convincing sound'' and ``long-lasting construction.''

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