The tone is very musical and balanced thanks to carefully matched parts in the circuit. With the four controls, you can fine-tune the phaser effect to your taste. With the rotating switch you can choose between two different phase tones, the other is a light one and the other with the big fat low end and deep tone. With The Mix control, you can adjust phaser tones from very mild into deep phase effect. Speed range and amplitude of the internal oscillator are set to allow high phaser speeds without getting erratic.

You can find classic phasing sounds at about 12 o’clock speed setting, the lower settings produce a nice floating “Vibe”- a type of sound.

Official Product Video

Demo by VintageandRare

Product Page

Review by reddit /guitarpedals

Review by The Gear Page

Review by Premier Guitar

Manual download

Tiny Orange Phaser

The Twimble is a combination of the Simble Overdrive and the Simble Predrive. Both of the drives have been tailored slightly in order to achieve an even more organic tonal result. As you turn the contour fully clockwise, you will notice the overdrive section now features enhanced clarity with a sparkling top end. The Predrive section has additional sweet compression. This results in a pedal with a more 3-dimension tonal feel and it is even easier to slide between clean and overdriven guitar tones, which can easily be controlled by your guitar volume. In addition, you will notice more warm sustain to ease playing.

Review by PerformerMAG

Review by bonedo

Demo by Mike Hermans

Manual

Twimble

Rich, fat, warm sound and well thought out functionality makes the Mad Professor Dual Blue Delay one of the most clever, intuitive, and easy to use delay pedals currently available.

The short delay has a maximum delay time of 315ms and a fatter tone well suited for slapback and old-school tape echo tones. Long delay reaches 810ms and has a modern delay voicing, great for lead and ambient tones.

Both delays have wide range Tone controls for dialing in the perfect setting. Switch between the two delay channels or combine both together for huge dual-delay sounds. Keeping the On/Off switch depressed for 1 second brings you an exciting rhythmic multi-head mode. A must-have for all instrumental rock and Pink Floyd fans.Tap Tempo function is also included for use on the Long delay channel.

Dual Blue Delay is a powerful and intuitive pedal for the progressive musician.

Demo by Alberto Barrero

Review by Seymour Duncan Forum

Review by mixdownmag

Dual blue delay

"The Blueberry Overdrive from Mad Professor offers a wide range of tones within quite a narrow part of the overall drive category. We’re talking about overdrive here, not clean boost, distortion or fuzz. Overdrive, baby!

Versatility is high and low at the same time in this case – low in the sense that it basically does one thing, and one thing alone. That said, the tonal possibilities within that limited range of ‘just’ overdrive, are quite amazing. And while you may argue that it is nothing but transparent and also adds compression that you can’t really control other than with playing dynamics, I find the drive both musical and pleasant when you find just the right setting which is relatively easy."

Review by tagboardeffects

Review by Talk Bass.com

Demo by GuitarSpotGr

Blueberry Bass Overdrive

Simble Predriver is not just a preamp, it is a preamp/booster/compressor/upper harmonic enhancer

 This musical tonal combination is totally adjustable with your picking attack and guitar volume pot. The amount of boost depends on the input signal level and HOT/COOL switch position. The maximum is about +10dB on lower level notes and average is about +6dB.

Simble Predriver’s special circuitry uses low noise transistor with high input impedance (over 2 Mohm) so you can boost even piezo pickups without tone loss. The output impedance is 50 Kohm so it works even in front of fuzz pedals. The power consumption is very small if you remove the input jack when not playing you can use the pedal with a 9V battery for few years!

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Dual blue delay

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Blueberry Bass Overdrive

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