Alexander Pedals Amnesia - MN3208/SAD4096/MN3208 Modeling Delay

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Alexander Pedals

The Amnesia pedal brings back the warm and murky sounds of vintage analog delay units.  Each mode of the Amnesia is carefully tweaked by our sonic scientists to provide the tone and response of a specific vintage bucket brigade device (BBD.)

Controls:

  • Time - adjust the maximum delay time from <10ms to >900mS.

  • Repeat - controls the feedback or repeats of the delay.  High Repeat settings will self-oscillate, try starting oscillation then spinning the Time knob for synth fun.

  • Mod (Cho / Vib) - adds a luscious modulation to the delay.  At 12 o'clock there is no modulation, clockwise adds a slow chorus and counter-clockwise adds a fast vibrato.  The Mod knob works even when the delay time is at its minimum setting, which allows the Amnesia to function as an analog flavored chorus pedal.

  • Mix - controls the blend between clean and echo sound.  This control ranges from fully dry to fully wet, so that "echo-only" output is possible.  12 o'clock is an equal mix of clean and echo.

    Mode Toggle:

    • MN3208 - mimics a 2048-stage bucket brigade with excellent fidelity.  Warm repeats and mild "bucket loss," where each of the delay repeats becomes a bit softer and more diffuse.

    • SAD4096 - based on a rare rack mount delay unit, the SAD4096 mode is designed to work like a special bucket brigade originally manufactured by Reticon.  The SAD4096 has a very distinct tone as the delay clock gets slower, so that long delay times have a pronounced distortion character.  The SAD4096 mode also breaks in to oscillation a bit sooner than the other modes.

    • MN3208 - the final mode is based on a more recent delay unit with four lower-capacity bucket brigade chips.  As the longer BBD units were phased out of production, effects companies started doubling up shorter delay chips in order to maintain the same delay time.  Doubling up these chips sometimes causes additional losses, which are audible in this mode as a darker echo tone.  Use the MN3208 mode if you want soft and murky repeats, ideal for ambient pads and washes.

    Power Supply:

    The Amnesia requires a 9V DC power supply with a 2.1mm pin, center negative.  The Amnesia is not designed to be powered on supplies higher than 9V and does not use a battery.  The Amnesia should work fine on a multi-pedal "daisy chain" connector, but if you encounter excessive noise or hum try a separate power supply.

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