Stagg POWER SUPPLY 9V-1,7A PSU-9V1A7R-EU
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What you need to know
What you need to know
- 9 V stabilized for reliable power supply to your effect pedals and compatible accessories.
- Generous 1.7 A current: ideal for power-hungry pedals and certain pedalboards.
- Reversed polarity (positive on the outside, negative in the center): check before plugging in.
- Linear power supply with noise reduction, overload protection, and ultra-light compact design.
Manufacturer Information
Stagg
https://www.staggmusic.com
g.baldocci@emdmusic.com
------------------------
Safety manager:
EMD MUSIC Europe
Email: g.baldocci@emdmusic.com
Address:
A Power Supply Designed for Modern Pedal Setups
In a pedalboard, the quality of the power supply directly affects stability, noise level, and sound consistency. This Stagg 9 V power adapter follows this logic: a simple and robust solution to power effect pedals, with stabilized voltage and a "silent" design to preserve your signal.
Who Is This 9 V Reversed Polarity Adapter For?
It is intended for guitarists and bassists who use 9 V powered effect pedals or accessories, especially when higher current is needed. It is also suitable for musicians who want to power multiple pedals simultaneously via a compatible multi-cable (such as the Stagg SPS-DC5M1F, up to 5 pedals), provided polarity and total consumption are respected.
Key Features: Stability, Silence, and Safety
Stabilized Voltage and Automatic Mains Adaptation
The 9 V stabilized output helps maintain consistent performance even when your effects chain becomes more demanding. The adapter automatically accepts a wide input voltage range, convenient for studio use and on the go.
Noise Reduction and Built-in Protections
Thanks to C-MOS technology and a noise elimination circuit, it aims to limit hum and interference that can occur with some power supplies. Overload protection helps safeguard your gear in case of excessive current demand.
Reinforced Connectivity
The 1.5 m cable with reinforced connector is designed to withstand repeated handling, which is especially common on a pedalboard.
Technical specifications
| Current | 1.7 A | Category | AC adapter |
| Voltage | 9 V | Number of outputs | 1 |
| Power supply | linear | Connector | reinforced |
| Automatic input voltage adaptation | 100 to 240 V (+/-10%) | Design | compact and ultra-light |
| Output voltage | 9 V, stabilized | Compatibility | major brands of effect pedals and pedalboards, accessories powered by a 9 V adapter |
| Output current | 1.7 A | Technology | C-MOS |
| Reversed polarity | positive on the outside, negative in the center | Circuit | noise elimination |
| Cable | 1.5 m | Protection | against overloads |
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Customer reviews
What customers say
Summarized and selected by AI from recent customer reviews
Customers praised this 9V 1.7A power supply for its ability to power entire pedalboards with up to 10 pedals without electrical hum. Many noted "excellent value" and called it a "great alternative" to premium brands. However, one customer mentioned cable quality seems fragile for intensive use and the unit generates significant heat during operation.
Review highlights
- “Allows me to power 10 pedals!”
- “Does the job very well for powering an entire pedalboard, no electrical buzz/hum”
- “Excellent alternative to the premium brand version that powered my pedalboard”
Based on 10 reviews
- 4 stars, 0 reviews
- 2 stars, 0 reviews
- 1 star, 0 reviews
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The first time it was sent, the food was buzzing. A mass problem, I suppose. Reported to the after-sales service, A new document was sent to me without a shadow of a doubt about my good faith. And now everything works perfectly, this small power supply, but powerful since it delivers 1.7 A, does its job very well. Thanks WOODBRASS
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Does the job very well to power an entire pedalboard, no electric buzz/hum
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Great alternative to the Boss version that powered my BCB 60 pedalboard
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She does what she is asked to do. I had no problem with it.:)
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Terrible value for money. No snoring.
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Questions frequently asked
Is this Stagg 9 V power supply compatible with pedals that have a negative center?
The output polarity is reversed: positive on the outside and negative at the center. It is suitable for pedals and accessories designed for a 9 V power supply with this polarity.
What current does the PSU-9V1A7R-EU power supply deliver?
The output provides up to 1.7 A at stabilized 9 V. This capacity allows powering pedals that require higher current, provided their individual needs are compatible.
Can multiple pedals be powered with this 9 V adapter?
It is possible to use a compatible multi-cable, such as the Stagg SPS-DC5M1F, designed to power up to 5 pedals. The total consumption of the pedals must not exceed 1.7 A. The polarity of each device must also be compatible with a negative center.
Does the power supply reduce noise in a pedalboard?
The C-MOS technology and the noise elimination circuit are designed to reduce hum and interference related to the power supply.
Does this power supply operate on 100-240 V mains voltage?
The automatic adapter accepts an input voltage from 100 to 240 V, with a tolerance of plus or minus 10%. The 1.5 m cable is equipped with a reinforced connector.
