Palmer PW 9V-500mA Mi
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Manufacturer Information
Palmer
https://www.adamhall.com
info@adamhall.com
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Safety manager:
Adam Hall GmbH
Email: info@adamhall.com
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A Power Supply Designed for Daily Reliability by Palmer
Designed as a dedicated power supply unit for Palmer equipment requiring a 9 V input, this power adapter meets a simple yet essential need: to ensure a steady, silent, and easy-to-install power source. Whether replacing a lost power supply, equipping a fixed workstation, or securing a mobile setup, it naturally integrates into an audio chain where electrical stability makes all the difference.
Who Is This Palmer Power Supply Most Suitable For, and For What Uses?
This power supply is intended for musicians, technicians, and home studio users who operate Palmer devices requiring 9 V power with a consumption not exceeding 500 mA. It is particularly suited for setups prioritizing simplicity: a single output, direct connection, and a cable long enough to reach a power strip, rack, or underneath a pedalboard.
Connectivity, Polarity, and Installation: Key Points to Avoid Mistakes
Standard 2.1 x 5.5 mm Output
The 2.1 x 5.5 mm output connector facilitates integration with compatible devices. This standard is widely used on 9 V equipment, allowing quick replacement without complex adaptation, provided the electrical parameters required by your gear are respected.
Center Negative Polarity: An Essential Checkpoint
Center negative polarity is a key criterion. Before connecting, always verify that your Palmer device expects this polarity and a 9 V voltage. Respecting the voltage, polarity, and maximum allowable current is essential for reliable operation and to avoid any risk of damaging your equipment.
100 - 240 V Input Voltage: Convenient for Mobility
Thanks to its 100 - 240 V input range, this power supply adapts to many mains configurations. This is a practical advantage for users who alternate between studio, rehearsals, and gigs, or who work with equipment setups in different environments.
Technical specifications
| Current | 0.5 A | Category | AC adapter |
| Voltage | 9 V | Number of outputs | 1 |
| Product type | Power supply unit | Polarity | Center negative |
| Type | Power supply unit | Cable length | 150 cm |
| Mains connector | Euro connector | Width | 70 mm |
| Input voltage | 100 - 240 V | Depth | 30 mm |
| Output connectors | 2.1 x 5.5 mm | Height | 70 mm |
| Output voltage | 9 V | Weight | 0.19 kg |
| Maximum output current | 500 mA | ||
Questions frequently asked
Is the Palmer PW 9V-500mA Mi power supply compatible with a 9 V center negative pedal?
Compatibility is guaranteed only if the device requires 9 V, center negative polarity, and a current draw not exceeding 500 mA.
What output connector does this Palmer 9 V power supply use?
The output cable is fitted with a 2.1 x 5.5 mm plug, a common format on 9 V powered equipment.
Can this power supply power multiple pedals?
Only one output is available on this power supply unit. It is therefore designed to power a single compatible device. The consumption of this device must not exceed 0.5 A.
What is the length of the Palmer power supply cable?
The cable is 150 cm long, which facilitates connection to a power strip or a distant mains power source.
Does the power supply work on 230 V mains and abroad?
Thanks to its 100 to 240 V input and Euro plug, this power supply can be used on compatible electrical networks within this voltage range.



