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Item # 582991 | Customer Ratings: Ratings ( 5 Based on 2 reviews)

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Electro-Harmonix Riddle Envelope Filter Guitar Effects Pedal
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      Electro-Harmonix Riddle Envelope Filter Guitar Effects Pedal (582991)
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A mysteriously musical envelope filter for guitar

The Electro-Harmonix Riddle is a powerful and precise envelope filter fine-tuned for guitar frequency response. The Riddle guitar effect will deliver tight and smooth control over the complete 80 Hz to 5 kHz range, with a consistent and even sweetness. Need some edge? Engage Riddle's analog distortion and dial in anything from subtle bite to dominating crush. You can even plug in an optional expression pedal to control the filter sweep with your foot. With the ability to adjust Q, sweep range, and filter type, you'll also wind up with of the most versatile wahs available.

Envelope controlled filters are a unique type of sound modifier where the intensity of the effect is controlled by the user's playing dynamics. The volume and dynamic of the incoming audio signal is used to control a swept filter. As the volume increases or decreases so does the frequency of the filter. With 3 selectable filter modes, along with START, STOP, ATTACK, DECAY, Q and SENSITIVITY controls, The Electro-Harmonix Riddle guitar pedal makes all of the classic Q sounds available to you.

Electro-Harmonix Riddle Envelope Filter Guitar Effects Pedal Features:

  • 80 Hz to 5 kHz frequency response tailored for guitar
    Optional expression pedal control
    Fully-analog circuit
    Switch selectable analog distortion designed for guitar
    Start and Stop sweep control
    Low Pass, Band Pass, High Pass filter select
    Start and Stop for filter sweep and Q control
    Separate Dry and Effect outputs
    9.6VDC 200mA power supply included




Electro-Harmonix Riddle Envelope Filter Guitar Effects Pedal

One year warranty on pedals. 90 day warranty on all other products.

Get your gear covered!

Now you can get added warranty protection for your new gear. Pro Coverage steps in where the manufacturer's "normal wear and tear" ends. Our PRO COVERAGE program offers you UPGRADED COVERAGE if your product ever fails!

Pro Coverage includes:

  • Accidental damage protection (new gear only)
  • Expedited Repair
  • Free Shipping (for returns or repairs)
  • 100% Coverage for Commercial Use
  • Extended Return Period
  • Extended Price Protection
  • No Lemon Guarantee
  • Free Transfer of Coverage to a new owner
  • Repair Costs Covered for up to 3 years from date of purchase
  • Repairs Can Be Authorized Toll-Free by Phone or the via the web
Product Reviews
(Based on 2 reviews)
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Viewing Reviews 1 - 2 of 2
  • VERSITILE STEP UP FROM QTRON

    As reviewed by JAIME TUCKER on 4/23/2011

    I WASN'T CONVINCED I WANTED A Q TRON BUT KNEW I WANTED THE SOUNDS THAT IT HAS. REMEMBER THE RIDDLE IS TUNED FOR GUITAR FREQUENCIES NOT BASS. IT SOUNDS GREAT ESPECIALLY WITH THE ANALOG DISTORTION CIRCUIT ENGAGED. CONTAINS A WIDE RANGE OF AUTO WAH AND FILTER SOUNDS/ ABILITIES, DOUBLED BY ENGAGING THE OVERDRIVE CIRCUIT. THIS IS A VERY SPECIFIC PEDAL BUT SOUNDS INCREDIBLE AND IS MADE WELL LIKE MOST EHX GEAR.

    0 of 0 people found this review helpful.
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  • Q Balls. Not what I expected. Better.

    As reviewed by Steve on 4/14/2011

    I usually don't like crazy effects but the Q Balls is really cool. Tons of tweakable tonal options so the whacky settings can be tamed to be usable for me. I like the distortion side a lot. Works great as a clean boost or to use as a stand alone dirt box for a clean channel.

    0 of 0 people found this review helpful.
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