Donner VOWEl VOLUME & WAH User manual

Precautions
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Introduction
Owner’s Manual
The Vowel is an active volume/classic wah-wah combo pedal features extremely lightweight casing and a small, pedalboard-friendly
footprint. 100% analog signal path and selected smooth taper ensures pure signal-thru and precise response.
READ CAREFULLY BEFORE PROCEEDING
Please keep this manual in a convenient place for future reference.
Power Supply
Always use a DC 9V center negative AC adapter. Use of an adapter
other than that specified could damage the unit or cause malfunction and
pose a safety hazard.
Always connect the AC adapter to an AC outlet that supplies the rated
voltage required by the adapter.
Disconnect the AC adapter from the AC outlet when during lightning
storms or not using the unit for an extended period.
Connections
Always turn off the power before connecting or disconnecting. Make sure
to disconnect all cables and AC adapter before moving the unit. This will
help prevent malfunction and damages.
Environment Considerations
Avoid using the unit in any of the following conditions that could cause
malfunction:
● Extremely hot or cold places
● Under direct sunlight
● Magnetic fields
● Near heaters and other heat sources
● Sandy or dusty places
● Places that are extremely humid or exposed to splashing water
● Places with lots of vibrations
Electrical Interference
Devices that are very susceptible to interference or that emits powerful
electromagnetic waves (e.g. radios and TVs) should not be placed near
this unit, as interference could occur. Electromagnetic interference could
cause malfunction and could corrupt or destroy data.
Always operate this unit at a suitable distance from these devices.
Handling
Do not apply excessive force to the switches and other controls,
exposing the unit to strong impacts, which could cause it to break.
Do not put foreign objects or liquids into the unit.
Never open the case or attempt to modify the product in any way since
this can result in damage to the unit.
Clean only with a soft, dry cloth.

●Convenient compact size
●Active volume/wah-wah combo pedal
●Wah mode providing classic wah sound inspired by the legendary wah
pedals
●Active volume mode for eliminating signal loss
●Switch between wah and volume modes within a tap
●Sturdy, lightweight casing
Overview
Features
Input Impedance: 1M Ohms
Output Impedance: 100 Ohms
Power Requirement: 9V DC center negative
Current Consumption: 22mA
Dimensions: 148.5mm (D) x 65.5mm (W) x 61mm (H)
Weight: 280g
Specifications
●Volume/Wah Combo Pedal
The Vowel pedal combines active volume pedal and wah-wah pedal in one, providing great convenience for musicians. The unit can switch between
two modes by tapping on the top of the pedal (towards toe) strongly.
●Active Volume Mode
The Vowel’s Volume mode features active volume design, which is great for preventing signal loss, especially when you’re running your signal through
a long signal chain.
●Classic Wah Sound
The Vowel’s Wah mode provides you a classic-inspired wah sound with deep filter resonance and smooth sweeping that recreates the iconic 1970s
wah pedal sound.
●Signal Path
The Vowel features 100% analog circuit design which keeps your sound pristine.
●Carefully Selected Components
The Vowel is designed and built with carefully selected components to ensure best sound quality and road performance. The special designed chassis
ensures touring reliability.
Connection & Controls
INPUT Jack:
1/4” mono audio jack, for connecting instruments or other pedals.
OUTPUT Jack:
1/4” mono audio jack, for connecting to an amplifier.
9V DC Jack:
For power supply, use a 9-volt DC regulated by AC adapter, 500mA
(plug polarity is positive on the barrel and negative in the center).
Footswitch And LEDs:
The LEDs indicate the current mode. Tap the footswitch (by hitting
the pedal strongly) to switch between wah (LEDs show red) and
volume (LEDs show green) modes.
a
b
c
d
a
b
c
d