Malekko Heavy Industry Wolftone Helium MKII Analog Octave Distortion Pedal
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Malekko Heavy IndustryWolftone Helium MKII Analog Octave Distortion Pedal

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From £139.00 (Free UK Delivery)
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  • True Bypass
  • Updated Circuit
  • Octave Switch Vintage
  • Wolf 1
  • Wolf 2
  • Texture Switch Coarse
  • Full
  • Bright


Sanctioned by Todd Wolfgram, Malekko is thrilled to release our hand-built, all-analog Wolftone HELIUM pedal.

A brief history of the Wolftone pedals: in the early 2000′s, our friends Studio Electronics released two superb Todd Wolfgram designed effect pedals, the Wolftone HELIUM and Wolftone CHAOS. These pedals have since earned almost mythical status due to their intense distortions and unique sounds which were unlike anything else available as well as their rarity.


Now, after months of close work with Todd, this updated version of the legendary HELIUM features a second WOLF setting to augment the original pedal’s two position octave sonic palette and has been designed to operate with a ‘standard’ 9v neg tip power supply. The HELIUM MKII is an Octavia style distortion pedal coupled with an intense octave up effect. Its ‘Texture’ and ‘Octave’ switches will take your sound from a vintage Tychobrae scream to a clear, sweet, singing octave, while the ‘Mix’ control lets you blend your distorted fundamental note into the effect. The interaction of gain to dynamic response work together to make the HELIUM MKII the most versatile and pivotal “octave up” pedal to date.


See below for Todd Wolfgram’s pedal operation description!

The pedal is powered by a 9v DC adapter (neg tip) or internal battery snap. Current draw is 50mA. Enclosure size is approx. 4 3/8″ x 2 3/8″ x 1 1/4″, 111mm x 61mm x 32mm.

From Todd Wolfgram:
“I’ve always liked octave pedals, but was always frustrated by them. A great sound, but a bit narrow in terms of range. We’ve all heard these boxes, so let’s start at a familiar place.

Set the controls as described for a standard octave pedal sound…
MIX: 100%
OCTAVE: vintage
The sound, especially when the DRIVE is up, is aggressive while at low DRIVE settings the notes tend to sputter, especially when the guitar is backed off. It’s a trade off that’s always been there.

Now to modify…
The WOLF 1&2 (OCTAVE) modes allow the lowest DRIVE and guitar volume settings to generate octave signals, making this pedal usable for much subtler sounds than could be had before. WOLF 1 is bright… dry and reedy (great for mixing with the fundamental), while WOLF 2 is full like the VINTAGE setting, but still maintaining low-level sensitivity abovementioned. Not as aggressive on the attack (that’s why the VINTAGE mode is there).
TEXTURE is a waveshaping control that accentuates or tames the inherent ‘spikiness’ of the generated octave. Combinations of the two switches create a variety of attacks, and when blended with the 02 signal can create a great pseudo-feedback octave shift effect.
MIX is just what it seems to be. The fundamental is voiced a bit dark ( this lets the upper octave lay on top of the original rather than clashing with it), but at the minimum setting, the MIX adds just a little extra edge to the lower octave. Likewise, at the highest setting of the MIX, the upper octave gets a bit of extra bite.
DRIVE affects both the original octave (from clean to a fairly smooth distortion) and the upper octave. Set this control to MINIMUM and MIX to 100%, to really hear what the OCTAVE switch can do. Then start experimenting with the TEXTURE switch to get a feel for the timbral range that is now at your fingertips.”


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Here at Guitar FX Direct we are committed to customer satisfaction and want you to recieve your order as quickly as possible so you can get plugged in and enjoy your new Fx Pedal.

All UK orders are dispatched using Royal Mail and will need a signature upon delivery. If you place your order before 1pm Mon-Fri and the item is in stock we will dispatch the same working day.

Our standard delivery is currently FREE to the UK and usually takes from 3-5 working days but if you need it quick, Next day delivery is only £6.99. For example if you order before 1pm on a Monday you will receive your shiny new guitar pedal on the Tuesday! Please note if an order is placed on a Friday before 1pm with Next Day Delivery as the delivery option you will receive Monday, order after 1pm and it will be sent Monday and delivered Tuesday.

Guitar FX Direct ship worldwide usually with Royal Mail International signed for, European delivery time is usually between 5-10 days. If you have any questions regarding your delivery please drop us an email.


Guitar FX Direct have a 7 Day Hassle Free Returns Period. Return or exchange an item - our 100% money back guarantee.

In accordance with the Distance Selling Regulations, the customer has the right to cancel the contract at anytime up to 7 working days starting the day after delivery. Customers are responsible for the costs and arrangements of unwanted goods to Guitar Fx Direct.

Goods should be returned with the original packaging in good condition to avoid the products being damaged on their return journey. It is the customers responsibility to take reasonable care of the goods during the cancellation period.

Any return labels should not be placed directly on the item packaging. Please wrap any items to be returned in a protective layer and place any labels on this outer packaging.


Returns and Refunds

Refunds can only be made by the method originally used to pay for the goods. Credit/debit card refunds will be processed immediately and normally take 3-5 working days to show on the customer's account.

Goods that have been altered from their original condition in any way cannot be returned.

Goods cannot be returned as faulty where a specific defect in the product was brought to the attention of the customer at the point of sale.



Contact us for further information.

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Malekko Heavy Industry