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gfi system™

gfi system guitar effect pedals

GFI System pedals are designed and assembled in Indonesia by Henry Widjaja with help from a small team of engineers and techies, including his long-time friend Yonas Darja and Yonas’ brother Jesse.

GFI started out in 2010 designing and building analog pedals and began taking the plunge into the realm of digital design by 2013.

GFI’s goal is to market innovative and exciting products that capture the hearts and imaginations of guitar players and musicians for many years to come.

History (in Henry’s words)

Yonas and I were already toying with the idea of starting a guitar-oriented tech company while we were studying in the U.S. back in 2003.  The two of us spent more time talking & obsessing about guitars, effects, and music than we did studying for our exams!  

My major was Electrical Engineering with specialization in Signal Processing, and my hobby was tearing pedals apart to learn how they worked – this combination was essential to forming my knowledge base of how sound was created.

However, our idea for an audio company took a back seat after graduation. We went back to Indonesia, worked 9-to-5 jobs and started families of our own.   I went to work for an engineering company and then moved on to teach electrical engineering at a university.   All along, our little dream never left my mind; I still loved to tinker with pedals & electronics. 

While I've enjoyed working in an academic environment, I soon realized that I enjoyed my other activity much more, and so I took the plunge!  I quit my job, bought an oscilloscope, a soldering station, a drill press, a big desk, and a whole bunch of parts – and thus GFI System was born.

  • CLOCKWORK DELAY V2 

    $329.00

    *** NOW IN STOCK - LIMITED QUANTITIES, ORDER TODAY ***

    Key Features

    • Precision and versatile delay in an extremely compact pedal
    • Fully programmable: 8 presets (4 x 2)
    • Stereo inputs and outputs
    • 1 Standard delay + 6 variation modes (Tape, LoFi, Ambient, & Multi-Head (2 / 3 / 4)
    • Tap-tempo with 4 sub-division options (1/4, 1/8, Dotted 1/8, & 1/8 Triplets)
    • Delay trails
    • 24-bit signal processing
    • Analog dry-thru
    • Buffered Bypass Switching for the most transparent sound possible
    • Soft-touch, clickless footswitches

    Concept: The Clockwork Delay v.2 offers one standard digital delay mode plus six variation modes: Tape, LoFi, Ambient, and Multi-head (2 / 3 / 4) delay.

    Presets: Up to 8 presets may be saved & stored; no more knob-tweaking during live performances.

    Tap-Tempo: Built-in tap-tempo capability with 4 sub-division options (quarter-note, eighth-note, dotted-eighth, & 8th-note triplets).

    Stereo I/O: Dual inputs and outputs deliver wide stereo impression.

    Delay Trails: When the pedal is bypassed the delay tail is not abruptly cut off; instead it decays naturally. The delay trails feature will also work when changing presets, as long as your presets are all in the same delay mode setting.

    Auto Regen (Feedback) Sweep: When this feature is engaged, the Feedback parameter controlled by the REGEN knob is slowly swept to the maximum value, held there, and then swept back to the original setting. Used judiciously, this feature can introduce dynamic elements to any soundscape (watch the demo videos to see it in action).

    Analog Dry-Thru: Dry signal is routed through a 100% analog circuit path; no sterile-sounding digital converters or annoying lag times.

    Small Form Factor: The Clockworks Delay measures 12 x 6.5 (cm) or 4.7 x 2.5 (inch); an extremely small footprint considering the unit’s advanced feature set.

    Standard Delay
    This is a pristine digital delay with modulation. A touch of tone-shaping is applied to keep the repeats from sounding sterile/cold while still retaining clarity and definition. Maximum delay time is 1000 mS (1 second). Modulation depth is fully adjustable and modulation rate is fixed to slow or medium speed.

    (T) Tape
    This mode is an emulation of the tape echo system that produces band-limited echoes with a touch of saturation and delay time variation.  The PARAM knob is partitioned into 2 regions: The first half gives you the normal stereo and the second half delivers ping-pong stereo. Feedback resonance is fully adjustable within each region (resonance increases as the knob is turned clockwise).

    (L) LoFi
    This variation mode has a special voicing that mimics the sound of an analog delay. The warm and lush repeats work great to thicken your guitar sound without getting in the way of the dry sound. Maximum delay time is 1000 mS (1 second). Modulation depth is fully adjustable and modulation rate is fixed to slow or medium speed.

    (A) Ambient
    This variation mode blurs the line between delay and reverb. Repeats get more diffuse with each cycle, and as REGEN knob is turned up the echoes wash out into reverb-like ambience.  The PARAM knob controls the type and level of a secondary pitch-shifted voice. The first half of the knob range constitutes Perfect-Fifth pitch interval and the second half constitutes Octave interval.  The voice level is adjustable within each region (loudness increases as the knob is turned clockwise).

    (H2) 2-Head Delay
    This is a model of a classic tape delay with 2 playback heads.  Each input sound event will be played back twice at different delay times, and signals from the playback heads are re-injected into the feedback loop, creating layers of warm and complex multi-tap echoes. 4 choices of head configurations (tap patterns) are accessible through the PARAM knob.

    (H3) 3-Head Delay
    This is a model of classic tape delay with 3 playback heads.  Each input sound event will be played back three times at different delay times, and signals from the playback heads are re-injected into the feedback loop, creating layers of warm and complex multi-tap echoes. 4 choices of head configurations (tap patterns) are accessible through the PARAM knob.

    (H4) 4-Head Delay
    This is a model of tape delay with 4 playback heads.  Each input sound event will be played back 4 times at different delay times, and signals from the playback heads are re-injected into the feedback loop, creating layers of warm and complex multi-tap echoes. 4 choices of head configurations (tap patterns) are accessible through the PARAM knob.

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