Palmer WT PB 40 RK – 19” Rack Power Supply for Guitar Effects Palmer WT PB 40 RK is a professional power supply unit for guitar effects designed for 19” rack mounting systems. Created for touring musicians, studio guitarists, bass players and audio professionals, this versatile power supply delivers clean, stable and noise-free power for demanding pedalboards and rack effect systems. Featuring eight isolated outputs and selectable voltage options of 9 V, 12 V and 18 V, the unit offers excellent flexibility for powering both analog and digital effects.

Key Features The device is equipped with eight isolated center-negative outputs that effectively reduce unwanted hum, noise and ground loops. Two switchable outputs allow users to select between 9 V, 12 V and 18 V, making the unit compatible with a wide range of pedals, boutique overdrives and high-current digital processors.

The rugged aluminum housing ensures durability during intensive stage and studio use. Thanks to the standard 19” rack format, the power supply integrates perfectly into professional touring rigs and organized studio installations.

Reliable and Noise-Free Power for Professional Setups Stable power delivery is one of the most important elements of every professional guitar or studio setup. Palmer WT PB 40 RK has been engineered to provide clean and consistent voltage while minimizing signal interference and electrical noise. Every output is fully isolated, allowing pedals to operate independently without introducing unwanted hum into the signal chain.

With a total current capacity of 2000 mA, the unit can easily power multiple analog pedals, digital effects processors, MIDI controllers and switching systems simultaneously. This makes it an ideal solution for both compact rack systems and advanced touring pedalboards.

The selectable 9 V, 12 V and 18 V outputs increase compatibility with a wide variety of effects. Certain overdrives, boost pedals and boutique effects can benefit from higher voltage operation, delivering increased headroom and improved dynamic response. Palmer WT PB 40 RK helps musicians maintain a clean and organized setup while reducing the need for multiple individual adapters.

Applications This rack power supply is perfect for professional guitar rigs, touring pedalboards, rehearsal rooms and recording studios. It is suitable for electric guitarists, bass players, live performers and audio engineers using multiple effects simultaneously.

The isolated outputs and stable voltage delivery make the unit ideal for analog stompboxes, digital multi-effects, MIDI systems and studio-grade rack processors.

Technical Specifications Product type: power supply for guitar effects Format: 19” rack Number of outputs: 8 Isolated outputs: yes Polarity: center negative Output voltages: 9 V / 12 V / 18 V Two switchable 9/12/18 V outputs Total maximum current: 2000 mA Output connectors: 2.1 x 5.5 mm Input voltage: 100 – 250 V Housing material: aluminum Width: 482 mm Depth: 50 mm Height: 26 mm Weight: approximately 0.71 kg LED status indicators Short-circuit and overload protection Construction and Materials The enclosure is made from durable aluminum with a protective anodized and powder-coated finish. This construction provides excellent resistance to mechanical damage and ensures reliable operation during transport and live performances.

The compact 1/2U rack design helps keep professional audio systems organized while minimizing cable clutter. Clear LED indicators provide easy monitoring during operation.

What’s Included Palmer WT PB 40 RK power supply Power adapter DC connection cables for effects pedals User documentation Why Choose a Professional Power Supply?

Choosing Palmer WT PB 40 RK means investing in stable, reliable and professional-grade power distribution for your effects setup. The isolated outputs help preserve clean audio quality without unwanted noise, while selectable voltage options provide maximum compatibility with a wide range of pedals and processors.

This solution is designed for musicians who require reliability on stage, flexibility in the studio and professional organization of their rack systems. Palmer WT PB 40 RK helps reduce cable clutter and allows you to focus entirely on performance and tone creation.