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FORMULA B Vintage Vibe Mk2

Characterful Uni-Vibe-Inspired Pedal...

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The Formula B Vintage Vibe Mk2 is a superb homage to the original "Leslie-in-a-pedal", the Uni-Vibe. It's one of those memorable and highly addictive effects, up there with fuzz in terms of the character it endows songs with. 

Most famously used by Jimi Hendrix during his Woodstock set and live Band Of Gypsys album, as well as by David Gilmour on Pink Floyd tracks such as "Breathe", and Robin Trower on his Bridge Of Sighs album, the Uni-Vibe is all over late-1960s and early '70s rock.

Vintage Vibe Mk2 Components

The Formula B Vintage Vibe Mk2 sounds phenomenal with its fully discrete, analogue signal path. Made with original THT BC549 and 2Sc1815 transistors and quality photoresistors, plus an internal voltage doubler giving 18V of power, this is capable of achieving seriously chewy, organic chorus and vibrato effects with plenty of headroom.

Vintage Vibe Mk2 Controls

Like the original, the Vintage Vibe Mk2 has a Volume control that allows you to achieve unity gain with the rest of your setup. You can even use it to boost your amp or other pedals - there's plenty of volume gain on tap.

Chorus/Vibrato toggle

With the toggle in the Chorus position you get the full Uni-Vibe experience. With the toggle in the Vibrato position you get out of tune pitch-bend vibrato.

Dual footswitch

The dual-footswitch design allows you to set Speed 1 and Speed 2 and access them on-the-fly. A typical setup would be to use a slower speed for rhythm playing then kick in a faster speed for solos or for a realistic Leslie effect.

Vintage Vibe Mk2 Demo


Vintage Vibe Mk2 Features

  • Analogue chorus/vibrato based on the Uni-Vibe
  • Dual-speed operation with two separate footswitches
  • Old-stock transistors and high quality photoresistors
  • 9V to 18V internal voltage doubler
  • Handmade in Todi, Italy
  • Power: 9V power adaptor, centre-negative (not included)
  • Current draw: 100-150mA

Customer Reviews

Based on 5 reviews
Paul Cope (Hayling Island, GB)
Vintage Vibe Mk2

Having used a number of univibe clones over the years this one truly nails the sound for me, it comes with some clever additions in a pedal board friendly size and is excellent value for money. If you want the true sound of the original this pedal delivers.Special thanks to boost Guitar Pedals for putting this deal together so quickly..

Alan Winston (Nottingham, GB)
Formula B Vintage vibe

Not writing a long review but this is the best vibe I’ve owned. Do yourself a favour and get one on your board

Kris Mulholland (Saltcoats, GB)
FORMULA B Vintage Vibe Mk2

I have held myself back from purchasing a vibe for years now but I took the plunge on this and I am extremely happy.
The size of the unit is great on my board and pairs with my drives and fuzz amazingly well. I am preferring the flavour of keeping it pre-gain stages on the board.
Simple controls with the added benefit of 2 speeds.
I highly encourage anyone else who was on the fence like me, go for this!

Paul Firman (Bracknell, GB)
FORMULA B Vintage Vibe Mk2

Vibe is everyone's fav modulation right? I've only owned one vibe previous to this one but it lacked the 'throb' that we all love and that this pedal has. The intensity control giving a lovely pulsing sound. Having the two speed dials is a great idea as I can imagine having one dial and operating it in a live setting with your foot might get messy!
With some vibe units coming in at £400.00 and above these days this Formula B unit is easy on the pocket.
The video that swung it for me is the 'Buddy Blues' one that's on this page. If you were doubtful about buying one this video should swing it!!

John Campbell (Birmingham, GB)
Formula B vintage vibe MkII

Having purchased about a dozen Uni vibe effect pedals over the years, I feel that my search is over.
The Formula B vintage vibe is something special.
Apart from the very authentic sounds it can produce, it just invites you to recreate the legendary tones you have heard from Jimi, Tower, and Gilmour and seems to be an extension of your guitar rather than an addition.
It does inspire you to try and play in a way that incorporates it, hold on to notes or chords and let the vibe work it's magic.
It's hard not to get lost in the throbing swirly sounds it produces.
All this and a second footswitch to access a different pre set speed.

I forgot to mention the significant volume boost that this pedal has, well capable of driving your amp or od type pedals that come after it in the signal chain.
Priced reasonably, considering you won't be searching for your perfect vibe any longer.