Walrus Audio MIRA User Manual

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INSTRUCTION MANUAL
9 volt DC, Center Neg.
Runs internally at ±15VDC
200mA min*
Output Jack
Bypass Switch
Gain Reduction LED
Bypass LED
Input Jack
*The use of an isolated power supply is recommended for powering all Walrus Audio Pedals.
Daisy chain power supplies are not recommended.
Side-chain High
Pass Filter

Walrus Audio MIRA Specifications

General

Switching	True Bypass
Power Supply	9V DC
Power	9V
Bypass	True Bypass
Inputs	1/4" Input, Sidechain Return
Outputs	1 x 1/4" (instrument)

Summary

Mira Optical Compressor Overview

Power Requirements

Specifies the pedal's power needs: 9V DC Center Neg, internal operation at +/-15VDC, and minimum 200mA draw.

Connections and Indicators

Identifies input/output jacks, bypass switch, bypass LED, and gain reduction LED on the pedal.

Support and Warranty Information

Provides website, email for support, and mentions a limited lifetime warranty.

Mira Optical Compressor Controls

Level Control

Sets the overall output volume of the pedal.

Blend Control

Mixes compressed and dry signals, maintaining note clarity.

Make-Up Control

Adjusts gain to compensate for volume loss due to compression.

Threshold Control

Sets the volume level at which compression begins to engage.

Ratio Control

Determines the amount of volume reduction applied once the signal crosses the threshold.

Attack Control

Adjusts the initial response time of the compressor to signal transients.

Release Control

Controls the time it takes for the compressor to stop affecting the signal after it drops below the threshold.

HPF Switch

Engages a High Pass Filter in the side-chain to prevent bass frequencies from triggering compression.

Gain Reduction LED Indicator

Illuminates when gain reduction is happening and gets brighter as more gain is reduced.