KMA Machines Guardian Of The Wurm Distortion Guitar Effects Pedal
KMA Machines Guardian Of The Wurm Distortion Guitar Effects Pedal
Call & Collect From Our Warehouses
How It Works
Call & Collect From Our Warehouses
Call & Collect From Our Warehouses
How It Works
Call & Collect From Our Warehouses
KMA Machines Guardian Of The Wurm Distortion Guitar Effects Pedal
KMA Machines Guardian Of The Wurm Distortion Guitar Effects Pedal
SKU:Product Code: KMA-GOTW
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KMA Machines Guardian Of The Wurm Distortion Guitar Effects Pedal
£220
KMA Machines Guardian Of The Wurm Distortion Guitar Effects Pedal
"The earth, once so tranquil and serene, started to shake more ominously than ever beneath her feet. After centuries of scaring the living daylights out of the ancestors, the monster-of-malice was back. She looked up with an imperious glance and faced her destiny, her irradiant eye focusing unwaveringly on the venerable creature ahead.
Suddenly, the earth stood still and there fell a deep silence. She had tamed the beast! She was the long-foreseen saviour, the GUARDIAN of the WURM”
Fusing together the powerful evolution of KMA’s highly regarded WURM Distortion with an intuitive, yet versatile and ultra-fast Noise Gate, GUARDIAN of the WURM is the perfect metal monster. From chugging hard-rock, droning doom metal and grinding Swedish death metal, the beast abides.
But through its highly tweakable control set, the pedal can be tamed to provide impeccable clarity to your riffs, making this the definitive dirt pedal for metal, prog-rock, shoegaze, indie and beyond.
Calling a pedal legendary or a cult classic is often stretching the truth, but when it comes to the Boss HM-2 MIJ it’s absolutely on the money. We’ve never tried to hide the fact that the WURM Distortion is our unabashed sonic love letter to this filthy box of doom and gloom, taking the essential ingredients of this classic, while in the process developing a way more flexible metal-distortion pedal.
While WURM absolutely nails that Swedish death-metal chainsaw sound, the pedal is not all about that and is adept for so many other genres. To give you an idea, famous players like David Gilmour, Prince, Johnny Marr, Belinda Butcher, Lee Ranaldo, Daron Malakian and others have all made their mark with this style of distortion.
We of course kept the iconic active HM-2 dual band EQ section, but added two more bands, giving a much wider range of tones to tailor your evil and gritty distortion sound. Each band now has a dedicated centre-frequency control on the front of the pedal, allowing you to quickly and easily change and fine-tune your tone.
The EQ-STYLE mode, now also on the front of the pedal, helps you carve out even more tonal variation. Selecting HM-II mode will get you that classic ‘chainsaw’ high-mids character. However, in KMA mode the EQ is a little more tonally balanced, less peaky and a bit wider in response. Selecting BOTH fattens and doubles up the tone stacking, allowing you to rank the LOWS and the HIGH MIDS and rip that Swedish forest even more to shreds.
To adjust the extent of drive compression, you can choose between 3 different clipping styles. Silicon (Si) delivers the original compression, for rich harmonics and singing leads. Asymmetric (A-S) increases the headroom and gives you more grit by retaining complex harmonics, while the OFF position lifts the sound of the Diodes for a slight compression and way more clarity, which is perfect for baritone guitars or bass.
Plus, the Clean Blend feature helps to preserve your natural core tone. Simply twist the BLEND control to mix in the original unprocessed signal, allowing the initial pick attack of your tone to breathe. It is also especially useful when running the GUARDIAN of the WURM into an already distorted high-gain amp.
In-Depth Controls
- Gain: Sets the amount of distortion
- Master: Sets the overall volume of the WURM Section
- Gate: Sets the threshold of the Noise Gate
- Blend: Blends in the input signal, often called "Clean Blend"
- Clip-Style (Toggle-Switch): SI (Silicon Diodes): The sound of the original HM-2 clipping, A-S (Asymmetrical): More grit and less compression, OFF (Lifted Diodes): Perfect mode for bass and baritones
- EQ-Style (Toggle-Switch): HM-II: activates original HM-2 High Mids EQ with fixed centre-frequency. KMA: activates KMA-designed High Mids EQ with adjustable centre-frequency. BOTH: activates both EQ-Styles
- Low: Active Semi-Parametric EQ for low frequency boost (up)/ cut(down) with adjustable centre-frequency between 60-150 Hz via below potentiometer (midpoint: 90Hz)
- L-Mid: Active Semi-Parametric EQ for low-mid frequency boost (up)/ cut(down) with adjustable centre-frequency between 300 Hz -1,05 kHz via below potentiometer (midpoint: 490 Hz)
- H-Mid: Active Semi-Parametric EQ for high-mid frequency boost (up)/ cut(down). EQ-Style "KMA": with adjustable centre-frequency between 850 Hz-3 kHz via below potentiometer. EQ-Style "HM-II": original HM-2 dual high-mid EQ with fixed centre-frequency
- High: Active semi-parametric EQ for high frequency boost (up)/ cut(down) with adjustable centre-frequency between 1.4-5 kHz via below potentiometer (midpoint: 2 kHz)
Experience this model first-hand at any of our stores listed below.
If you're unsure which instrument or product is right for you, nothing compares to seeing, touching, and playing it in person before making a purchase. When you visit a Bonners Music store, you can explore a wide selection of pianos, keyboards, guitars, and related products to help you make the perfect choice. Our friendly and knowledgeable staff are always on hand to help you if you have any questions.
Please note that the colour of the display model in our showroom may differ from what is shown on this page.
Eastbourne Guitar Store
Address:
Bonners Guitar Store, 9 Faraday Close Eastbourne East Sussex BN22 9BH
Telephone:
01323 639335We offer a variety of flexible delivery options tailored to your location and the type of instrument you purchase. We aim to dispatch most in-stock standard-sized packages within 1 working day of receiving payment. Please note that we currently ship to the UK mainland only.
Pre-Orders and Out of Stock Items
If you order a product that is out of stock, we will contact you to confirm the lead time once we receive your order. You can also call or email us in advance of placing your order to check the current lead time for specific products and pay a small deposit to secure your place in the queue. This is especially convenient for popular or new products when demand is high.
Standard Size Packages
For standard-size packages, we use a range of third-party courier services to deliver goods as efficiently as possible. All items require someone to be present to receive the goods and provide proof of delivery. This is especially important for high-value items.
If you are not home, the courier may leave your parcel in a secure location and provide photographic proof, though this is at the courier's discretion and often not possible for high-value goods. If a delivery cannot be completed, our partners will make up to two attempts before returning the goods to our warehouse. Please be aware that a fee applies for any necessary re-delivery.
For larger items or those requiring delivery to locations such as the Scottish Highlands, offshore islands, or parts of Wales and Northern England, surcharges and longer delivery times of up to 10 days may apply.
Order Tracking
Once your order has been dispatched, you will receive a confirmation email containing your tracking number and the name of the courier used. You can track your parcel directly through our partner websites:
- FedEx: Track your FedEx shipment here
- DX Express: Track your DX Express shipment here
Digital Piano & Large Item Delivery
As a specialist piano retailer, we provide two distinct tiers of service for digital piano deliveries to the UK mainland. Larger items that require specialist courier delivery are an exception to our standard despatch times; we will contact you personally to arrange these deliveries. This ensures you know exactly when your item is arriving and can be prepared to have help on hand if required to move and unpack your goods.
- Economy Delivery: Our fastest service for digital pianos. Your instrument is delivered flat-packed in a box to your doorstep between 8am and 6pm. Because these boxes can weigh between 60kg and 120kg, you will need to have someone available to help you move the instrument into your home and sign for the delivery.
- Premium Delivery & Setup: This premium service includes professional assembly by our experienced team. We will build your piano in your home, set up any purchased stools, and take away all packaging for recycling. We will coordinate a convenient delivery date and a two-hour time slot with you.
Acoustic Piano Deliveries
Acoustic pianos are delicate instruments that require professional handling with the utmost care. We use specialist piano delivery teams with years of experience to safely deliver upright and grand pianos. We can handle most situations, from a simple drop off to upstairs installations, and even locations where crane access is required.
Ahead of your piano delivery, we will ask you to complete our Piano Delivery Questionnaire to confirm a few details about access to your property and where the piano will be positioned. This will help us ensure your new instrument is delivered safely, efficiently, and without risk to either our team or your piano.
Removal of Existing Acoustic Pianos
If you have an old piano that you no longer require, we can arrange for its professional collection and disposal. Our specialist teams ensure the removal is handled safely without damaging your property.
- Disposal Service: Prices for piano collection and disposal start from £99.
- Part Exchange: If you are upgrading, we may be able to offer a part exchange value against your new purchase.
Please contact our team to discuss the specifics of your old instrument so we can provide an accurate quote and coordinate the removal with your new delivery.
Additional Services and Information
For those who prefer to collect in person, you can pick up your order from one of our warehouse locations in Eastbourne, Reigate, Milton Keynes, or Newcastle. To use this service, please contact us by phone to arrange a deposit and confirm availability, as online orders are not eligible for warehouse collection.
For specific quotes or to discuss complex delivery requirements, please contact our sales team at 01323 639335 or email sales@bonnersmusic.co.uk.
Whether you're buying your first electric guitar, upgrading to a new keyboard, or investing in a beautiful piano the whole family can enjoy, Bonners are the musical finance specialists. We offer some of the most competitive finance deals in the UK on pianos, keyboards, guitars, and other musical instruments.
With both 0% interest and longer-term interest-bearing options available, we're confident you'll find a plan that suits your budget - helping you bring home the instrument of your dreams sooner than you imagined.
*Some products are excluded from 0% Finance Offers. The available finance options will be shown at checkout.
Spread the Cost with Monthly Payments
At Bonners, we understand that investing in a quality musical instrument is a big decision. That’s why we’re offering a simple and flexible way to spread the cost, with 0% finance available on most purchases between £625 and £18,750. We also have some longer period (up to 36 months) Classic Credit APR 14.9% finance options with lower monthly payments. Our finance offers are designed to make high-quality instruments more accessible to musicians of all levels, from enthusiastic beginners to seasoned professionals. Whether you’re upgrading to a new stage piano, investing in your dream guitar, or kitting out your studio, the Bonners Music finance plans offer complete peace of mind.
Learn More About Finance Options >
The Lender
Bonners Ltd acts as a credit broker and only offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. Bonners Ltd is authorised and regulated by the Financial Conduct Authority. Our registration number is 718966. Bonners Ltd is registered in England and Wales 1994113. Registered office 34 North St, Hailsham, East Sussex BN27 1DW.
Secure Trust Bank is registered in England and Wales 541132. Registered office: One Arleston Way, Solihull, B90 4LH. Authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority. Registration number: 204550.
Not all products offered by Secure Trust Bank T/A V12 Retail Finance are regulated by the FCA
KMA Machines Guardian Of The Wurm Distortion Guitar Effects Pedal
"The earth, once so tranquil and serene, started to shake more ominously than ever beneath her feet. After centuries of scaring the living daylights out of the ancestors, the monster-of-malice was back. She looked up with an imperious glance and faced her destiny, her irradiant eye focusing unwaveringly on the venerable creature ahead.
Suddenly, the earth stood still and there fell a deep silence. She had tamed the beast! She was the long-foreseen saviour, the GUARDIAN of the WURM”
Fusing together the powerful evolution of KMA’s highly regarded WURM Distortion with an intuitive, yet versatile and ultra-fast Noise Gate, GUARDIAN of the WURM is the perfect metal monster. From chugging hard-rock, droning doom metal and grinding Swedish death metal, the beast abides.
But through its highly tweakable control set, the pedal can be tamed to provide impeccable clarity to your riffs, making this the definitive dirt pedal for metal, prog-rock, shoegaze, indie and beyond.
Calling a pedal legendary or a cult classic is often stretching the truth, but when it comes to the Boss HM-2 MIJ it’s absolutely on the money. We’ve never tried to hide the fact that the WURM Distortion is our unabashed sonic love letter to this filthy box of doom and gloom, taking the essential ingredients of this classic, while in the process developing a way more flexible metal-distortion pedal.
While WURM absolutely nails that Swedish death-metal chainsaw sound, the pedal is not all about that and is adept for so many other genres. To give you an idea, famous players like David Gilmour, Prince, Johnny Marr, Belinda Butcher, Lee Ranaldo, Daron Malakian and others have all made their mark with this style of distortion.
We of course kept the iconic active HM-2 dual band EQ section, but added two more bands, giving a much wider range of tones to tailor your evil and gritty distortion sound. Each band now has a dedicated centre-frequency control on the front of the pedal, allowing you to quickly and easily change and fine-tune your tone.
The EQ-STYLE mode, now also on the front of the pedal, helps you carve out even more tonal variation. Selecting HM-II mode will get you that classic ‘chainsaw’ high-mids character. However, in KMA mode the EQ is a little more tonally balanced, less peaky and a bit wider in response. Selecting BOTH fattens and doubles up the tone stacking, allowing you to rank the LOWS and the HIGH MIDS and rip that Swedish forest even more to shreds.
To adjust the extent of drive compression, you can choose between 3 different clipping styles. Silicon (Si) delivers the original compression, for rich harmonics and singing leads. Asymmetric (A-S) increases the headroom and gives you more grit by retaining complex harmonics, while the OFF position lifts the sound of the Diodes for a slight compression and way more clarity, which is perfect for baritone guitars or bass.
Plus, the Clean Blend feature helps to preserve your natural core tone. Simply twist the BLEND control to mix in the original unprocessed signal, allowing the initial pick attack of your tone to breathe. It is also especially useful when running the GUARDIAN of the WURM into an already distorted high-gain amp.
In-Depth Controls
- Gain: Sets the amount of distortion
- Master: Sets the overall volume of the WURM Section
- Gate: Sets the threshold of the Noise Gate
- Blend: Blends in the input signal, often called "Clean Blend"
- Clip-Style (Toggle-Switch): SI (Silicon Diodes): The sound of the original HM-2 clipping, A-S (Asymmetrical): More grit and less compression, OFF (Lifted Diodes): Perfect mode for bass and baritones
- EQ-Style (Toggle-Switch): HM-II: activates original HM-2 High Mids EQ with fixed centre-frequency. KMA: activates KMA-designed High Mids EQ with adjustable centre-frequency. BOTH: activates both EQ-Styles
- Low: Active Semi-Parametric EQ for low frequency boost (up)/ cut(down) with adjustable centre-frequency between 60-150 Hz via below potentiometer (midpoint: 90Hz)
- L-Mid: Active Semi-Parametric EQ for low-mid frequency boost (up)/ cut(down) with adjustable centre-frequency between 300 Hz -1,05 kHz via below potentiometer (midpoint: 490 Hz)
- H-Mid: Active Semi-Parametric EQ for high-mid frequency boost (up)/ cut(down). EQ-Style "KMA": with adjustable centre-frequency between 850 Hz-3 kHz via below potentiometer. EQ-Style "HM-II": original HM-2 dual high-mid EQ with fixed centre-frequency
- High: Active semi-parametric EQ for high frequency boost (up)/ cut(down) with adjustable centre-frequency between 1.4-5 kHz via below potentiometer (midpoint: 2 kHz)
Experience this model first-hand at any of our stores listed below.
If you're unsure which instrument or product is right for you, nothing compares to seeing, touching, and playing it in person before making a purchase. When you visit a Bonners Music store, you can explore a wide selection of pianos, keyboards, guitars, and related products to help you make the perfect choice. Our friendly and knowledgeable staff are always on hand to help you if you have any questions.
Please note that the colour of the display model in our showroom may differ from what is shown on this page.
Eastbourne Guitar Store
Address:
Bonners Guitar Store, 9 Faraday Close Eastbourne East Sussex BN22 9BH
Telephone:
01323 639335We offer a variety of flexible delivery options tailored to your location and the type of instrument you purchase. We aim to dispatch most in-stock standard-sized packages within 1 working day of receiving payment. Please note that we currently ship to the UK mainland only.
Pre-Orders and Out of Stock Items
If you order a product that is out of stock, we will contact you to confirm the lead time once we receive your order. You can also call or email us in advance of placing your order to check the current lead time for specific products and pay a small deposit to secure your place in the queue. This is especially convenient for popular or new products when demand is high.
Standard Size Packages
For standard-size packages, we use a range of third-party courier services to deliver goods as efficiently as possible. All items require someone to be present to receive the goods and provide proof of delivery. This is especially important for high-value items.
If you are not home, the courier may leave your parcel in a secure location and provide photographic proof, though this is at the courier's discretion and often not possible for high-value goods. If a delivery cannot be completed, our partners will make up to two attempts before returning the goods to our warehouse. Please be aware that a fee applies for any necessary re-delivery.
For larger items or those requiring delivery to locations such as the Scottish Highlands, offshore islands, or parts of Wales and Northern England, surcharges and longer delivery times of up to 10 days may apply.
Order Tracking
Once your order has been dispatched, you will receive a confirmation email containing your tracking number and the name of the courier used. You can track your parcel directly through our partner websites:
- FedEx: Track your FedEx shipment here
- DX Express: Track your DX Express shipment here
Digital Piano & Large Item Delivery
As a specialist piano retailer, we provide two distinct tiers of service for digital piano deliveries to the UK mainland. Larger items that require specialist courier delivery are an exception to our standard despatch times; we will contact you personally to arrange these deliveries. This ensures you know exactly when your item is arriving and can be prepared to have help on hand if required to move and unpack your goods.
- Economy Delivery: Our fastest service for digital pianos. Your instrument is delivered flat-packed in a box to your doorstep between 8am and 6pm. Because these boxes can weigh between 60kg and 120kg, you will need to have someone available to help you move the instrument into your home and sign for the delivery.
- Premium Delivery & Setup: This premium service includes professional assembly by our experienced team. We will build your piano in your home, set up any purchased stools, and take away all packaging for recycling. We will coordinate a convenient delivery date and a two-hour time slot with you.
Acoustic Piano Deliveries
Acoustic pianos are delicate instruments that require professional handling with the utmost care. We use specialist piano delivery teams with years of experience to safely deliver upright and grand pianos. We can handle most situations, from a simple drop off to upstairs installations, and even locations where crane access is required.
Ahead of your piano delivery, we will ask you to complete our Piano Delivery Questionnaire to confirm a few details about access to your property and where the piano will be positioned. This will help us ensure your new instrument is delivered safely, efficiently, and without risk to either our team or your piano.
Removal of Existing Acoustic Pianos
If you have an old piano that you no longer require, we can arrange for its professional collection and disposal. Our specialist teams ensure the removal is handled safely without damaging your property.
- Disposal Service: Prices for piano collection and disposal start from £99.
- Part Exchange: If you are upgrading, we may be able to offer a part exchange value against your new purchase.
Please contact our team to discuss the specifics of your old instrument so we can provide an accurate quote and coordinate the removal with your new delivery.
Additional Services and Information
For those who prefer to collect in person, you can pick up your order from one of our warehouse locations in Eastbourne, Reigate, Milton Keynes, or Newcastle. To use this service, please contact us by phone to arrange a deposit and confirm availability, as online orders are not eligible for warehouse collection.
For specific quotes or to discuss complex delivery requirements, please contact our sales team at 01323 639335 or email sales@bonnersmusic.co.uk.
Whether you're buying your first electric guitar, upgrading to a new keyboard, or investing in a beautiful piano the whole family can enjoy, Bonners are the musical finance specialists. We offer some of the most competitive finance deals in the UK on pianos, keyboards, guitars, and other musical instruments.
With both 0% interest and longer-term interest-bearing options available, we're confident you'll find a plan that suits your budget - helping you bring home the instrument of your dreams sooner than you imagined.
*Some products are excluded from 0% Finance Offers. The available finance options will be shown at checkout.
Spread the Cost with Monthly Payments
At Bonners, we understand that investing in a quality musical instrument is a big decision. That’s why we’re offering a simple and flexible way to spread the cost, with 0% finance available on most purchases between £625 and £18,750. We also have some longer period (up to 36 months) Classic Credit APR 14.9% finance options with lower monthly payments. Our finance offers are designed to make high-quality instruments more accessible to musicians of all levels, from enthusiastic beginners to seasoned professionals. Whether you’re upgrading to a new stage piano, investing in your dream guitar, or kitting out your studio, the Bonners Music finance plans offer complete peace of mind.
Learn More About Finance Options >
The Lender
Bonners Ltd acts as a credit broker and only offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. Bonners Ltd is authorised and regulated by the Financial Conduct Authority. Our registration number is 718966. Bonners Ltd is registered in England and Wales 1994113. Registered office 34 North St, Hailsham, East Sussex BN27 1DW.
Secure Trust Bank is registered in England and Wales 541132. Registered office: One Arleston Way, Solihull, B90 4LH. Authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority. Registration number: 204550.
Not all products offered by Secure Trust Bank T/A V12 Retail Finance are regulated by the FCA




