Woodbrass PS-9V 1A Power Supply for Effect Pedal
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What you need to know
What you need to know
- Standard 9V DC center negative: compatible with the vast majority of pedals using this format.
- Up to 1A: a comfortable current reserve, including for some more demanding digital pedals.
- Stable and filtered current: helps limit hum and interference to preserve signal clarity.
- Compact format + 145 cm cable: convenient to place on a power strip, under a pedalboard, or in the studio.
Manufacturer Information
Woodbrass
https://www.woodbrass.com
support@woodbrass.com
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Safety manager:
Woodbrass.com
Email: support@woodbrass.com
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A Classic Pedalboard Power Supply: 9V Center Negative
On modern pedalboards, 9V DC with center negative polarity has become a standard for a wide variety of effects. The Woodbrass PS-9V follows this logic: a simple solution to replace a missing power supply, ensure reliability in a setup, or start fresh with a clean and coherent base.For Which Musicians and Uses?
The PS-9V is aimed at guitarists and bassists who want a reliable power supply for one or several pedals used alternately (home, rehearsal, stage). Its 1A current provides a valuable safety margin when your pedal requires more current than a basic adapter.Stability, Filtering, and Connectivity: The Winning Trio for a Clean Signal
Consistent 9V DC Voltage
An unstable power supply can generate noise or erratic behavior: here, the goal is to provide a constant 9V DC to maintain reliable operation.Audio-Optimized Filtering
Interference filtering aims to reduce noise in the effects chain, especially useful with high gain levels.Standard 5.5 x 2.1 mm Connector
With its cylindrical 5.5 x 2.1 mm plug and center negative polarity, it adopts the most common format for immediate integration.Technical specifications
| Current | 1 A | Color | Black |
| Voltage | 9 V | Dimensions (mm) | 57 x 28 x 39 |
| Category | AC adapter | Nominal mode power consumption (Wh) | 9 W |
| Compatible with most 9V pedals up to 1A | BOSS, MXR, Electro Harmonix, and others | Power | 9W |
| Polarity | center negative | Input voltage | 100-240V AC |
| Cylindrical connector | 5.5 x 2.1 mm | Frequency | 50/60Hz |
| Technology | switching power supply | Cable length | 145 cm |
| Output voltage | 9V DC | Dimensions (excluding plug) | L 57 mm x W 28 mm x H 39 mm |
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Customer reviews
What customers say
Summarized and selected by AI from recent customer reviews
This 9V power supply for effect pedals is highly praised for its compact design and excellent value. Customers said it "works perfectly" and is "very useful for saving batteries." The adapter is compatible with various pedals and offers unbeatable pricing. However, some noted the cable appears thin and fragile, raising durability concerns.
Review highlights
- âEverything works perfectly.â
- âVery useful for saving batteries and avoiding pollution.â
- âDoes the job, at an unbeatable price.â
Based on 20 reviews
- 3 stars, 0 reviews
- 1 star, 0 reviews
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Product corresponding to the need to power the effect pedal. Avoid buying a 9V battery as expensive as this power supply.
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Very useful to save batteries and therefore avoid polluting.
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The cable is ridiculously small in cross section and seems fragile
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does the job, at an unbeatable price
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compact transformer that takes up little space
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Questions frequently asked
Is this power supply compatible with Boss, MXR, or Electro-Harmonix pedals?
The 9 V DC output with negative center and 5.5 x 2.1 mm connector matches the format indicated as compatible with BOSS, MXR, Electro-Harmonix pedals and other models up to 1 A.
What is the polarity for a 9V pedal power supply?
The polarity is negative center. The barrel connector measures 5.5 x 2.1 mm.
Can a pedal that consumes 500 mA be powered with this power supply?
The maximum available current is 1 A, or 1000 mA. A pedal requiring 500 mA can thus be powered if it also uses 9 V DC, negative center, and a 5.5 x 2.1 mm connector. The pedalâs current consumption must not exceed 1 A.
Is the cable of the WoodBrass PS-9V 1A power supply long enough for a pedalboard?
The cable length is 145 cm, suitable for connecting a mains outlet to a pedalboard placed on the floor.
Does this 9V power supply reduce noise in an effects chain?
Its interference filtering is designed to reduce noise in the effects chain. The switching power supply delivers a stable 9 V DC output voltage.
