FLANGERLOPE is an analog-flavoured flanger effect with built-in envelope follower. It was partly inspired by the vintage Dynaflanger, but we’ve taken a simpler approach and added a few twists of our own!
FLANGERLOPE can be used as a standard flanger driven by its own LFO, or the modulation level can be set to follow the gain of the input signal, or an external sidechain.
FLANGERLOPE is a stereo in / out module. When either input is used on its own, it will be routed to both outputs.
DEPTH sets the amount of modulation applied to a short delay. At maximum, the modulation is applied to almost the entire delay time range.
REGEN re-introduces some of the effected signal into a feedback loop. As you increase REGEN, you will hear the classic metallic flanger whooshing sound!
SPREAD adjusts the left / right pan of the effected signal only. At minimum setting, the effect will be mono and as you increase the SPREAD control, the effect will get increasingly panoramic!
The LFO / ENV switch determines whether FLANGERLOPE uses its own LFO (left position) to sweep across the modulation range (set by DEPTH) or whether to follow the envelope (ENV) of an incoming signal (right position).
When the LFO / ENV switch is in the centre position, FLANGERLOPE is in envelope follower mode, but the left channel has additional modulation applied by the LFO. This creates a nice stereo effect.
When in LFO mode, the left and right channels are 90 degrees out of phase to create a stereo effect.
RATE varies the LFO rate from 0.01 to 5.0 Hz.
The DRIFT button, when turned on will introduce gradual variation to the LFO speed so the repeating cycle is not obvious and locked to a set time. This can be a useful effect when used with slower LFO rates.
SENSITIVITY varies the threshold of the envelope follower and determines the amount of modulation applied, according to the level of the input signal. When used in stereo, the average of the left and right channels is fed into the envelope follower.
The INV button, when turned on inverts the response of the envelope follower so that stronger signals decrease the effect instead of increasing it. The up/down arrows button inverts the response of left and right channel enveloper follower for a more dramatic stereo effect! Note that the ENV switch must be in the right-most position for the up/down mode to take effect.
The LEDs between the RATE and SENSITIVITY knobs indicates the amount of modulation or a representation of the envelope follower depending on the LFO / ENV switch. When in LFO mode, the LEDs show the amount of modulation for the left and right channels. When in LFO / ENV (centre switch position), the right LED shows the envelope, and the left LED shows the envelope plus the amount of modulation being applied to that channel. In ENV mode, both LEDs show the envelope state.
The ENV section has dedicated knobs for attack, hold and release. This allows you to customise the response and feel of the envelope follower depending on your audio source. For example, for rhythmic material, you might want to use very low attack, hold and release times for a “snappy” response. Alternatively, when used with guitar for example, longer attack and / or release times can produce very interesting results.
ATK varies the envelope follower attack time from 5-1000ms.
HLD varies the envelope follower hold time from 10-1000ms.
REL varies the envelope follower release time from 10-2000ms.
Please note that the envelope follower applies damping to its input to help achieve a smooth response and nice “feel”. Because of this, you may still notice some “ramping” up or down, even at very short attack or release times.
Below the IN jacks is an ENV sidechain input. When an audio signal is connected to this jack, the gain of the incoming audio at this input is used to drive the envelope follower. Please note the ENV input is designed to accept audio and is not a +/-5.0 CV jack, i.e. negative values will be treated as positive.
We hope you might consider enveloping your sound in flangey goodness with FLANGERLOPE!
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