385 MKII - Uncategorized Walrus Audio - Free user manual and instructions

Product Type	Overdrive Pedal
Brand	Walrus Audio
Model	385 MKII
Dimensions	2.62 x 4.77 x 2.25 inches (including knobs)
Power Requirements	9V DC, center negative, 100mA minimum
Input Impedance	1M ohms (unbalanced)
Output Impedance	10k ohms (unbalanced)
Bypass Type	True bypass (relay, soft-touch)
Controls	Volume A, Gain A, Volume B, Gain B, Treble, Bass, A/B switch, 385+ switch
Features	Dual gain/volume presets (A/B), internal 18V operation, additional gain stage (385+), global Treble and Bass controls
Artwork	Yellow by David Hüttner, black by Josh Yosurack
Warranty	Limited lifetime warranty
Recommended Power Supply	Isolated power supply; daisy chain not recommended

Frequently Asked Questions - 385 MKII Walrus Audio

What power supply is needed for the 385 MKII?

Use a 9V DC, center negative, 100mA power supply. An isolated power supply is recommended; daisy chains are not recommended.

Is the 385 MKII true bypass?

Yes, it features soft-touch relay true bypass.

What does the A/B switch do?

The A/B switch allows two separate Volume and Gain settings (presets). Press to toggle between A (white LED) and B (red LED) controls.

How do I activate the 385+ mode?

Flip the 385+ switch up to add an additional gain stage for thick, saturated gain with tons of sustain. When down, you get classic 385 sounds.

Are the Treble and Bass controls shared for both A and B?

Yes, the Treble and Bass controls are global and apply to both A and B settings.

Can I use the 385 MKII with bass?

Yes, the dynamics of the 385 sound great on bass.

What is the internal voltage of the pedal?

The pedal runs internally at 18 volts to capture the dynamic feel and response of the original Filmosound amp.

What are the dimensions of the pedal?

The die-cast enclosure measures 2.62 x 4.77 x 2.25 inches including knobs.

How do I clean and maintain the pedal?

Use a dry, soft cloth to clean the surface. Avoid using abrasive cleaners or liquids. Ensure the power is disconnected during cleaning.

What warranty does the 385 MKII come with?

It comes with a limited lifetime warranty. For service, contact [e-mail].

USER MANUAL 385 MKII Walrus Audio

OVERDRIVE MKII

The 385 Overdrive MKII is inspired by the vintage Bell and Howell ^® 385 Filmosound ^™ projector that guitarists have modified and used as guitar amps for its unique breakup and tone. The 385 captures the amp's charm by running internally at 18 volts* to help nail the same dynamic feel and response to pick attack the amp has. Dig in and discover all the nuances the MKII has to offer.

And yes, the dynamics of the 385 sound great on bass too!

*Only use a 9 volt DC, Center Negative, 100mA to power the pedal.

The use of an isolated power supply is recommended for powering all Walrus Audio Pedals.

Daisy chain power supplies are not recommended.

Got questions or need a repair?

Email [e-mail] to talk with a real live human about your Walrus gear!

This product comes with a limited lifetime warranty.

Click Here for more info.

CONTROLS CONTROLS

Bypass: Soft-touch, relay true bypass. Press the switch to engage/disengage the pedal. LED indicates whether the circuit is engaged or not.

A/B: The A/B switch allows you to have two separate volume and gain settings. Use it like a preset to change the volume and/or gain for specific parts! Press to swap between using either A (White) or B (Red) Volume and Gain controls. LED indicates which controls are being used - White for A, Red for B.

Volume A: Controls the overall volume in the A setting. Turn clockwise for more volume, and counter-clockwise for less volume.

Gain A: Controls the overall gain in the A setting. Turn clockwise for more gain, counterclockwise for less gain.

CONTROLS CONTROLS

Volume B: Controls the overall volume in the B setting. Turn clockwise for more volume, and counter-clockwise for less volume.

Gain B: Controls the overall gain in the B setting. Turn clockwise for more gain, counterclockwise for less gain.

Treble: The Treble knob allows you to boost or cut treble frequencies. When the knob is at noon, the response is neutral. When you turn the knob down, you are cutting treble. When you turn the knob up, you are boosting treble. The Treble control is global and will apply to both A and B settings.

Bass: Boost or cut bass frequencies. When the knob is at noon, the response is neutral. When you turn the knob down, you are cutting bass. When you turn the knob up, you are boosting bass. The Bass control is global and will apply to both A and B settings.

385+ Switch: Adds an additional gain stage at the front of the circuit for thick, saturated gain with tons of sustain. Flip the switch up to activate the 385+ mode. When the switch is down, you are able to achieve classic 385 sounds.

GAIN A

385+

385

BASS

GAIN B

SPECS

Yellow pedal art by David Hüttner. Black art by Josh Yosurack.

The die cast enclosure's exact size is 2.62 x 4.77 x 2.25 inches including knobs.

Input: 1/4" TS, Unbalanced, 1M impedance

Output: 1/4" TS, Unbalanced, 10k impedance

True Bypass