Telefunken M 903 Power Supply

Versatile Power Supply for TF39, TF47, and TF51 Microphones
The Telefunken M 903 power supply is designed to provide stable and reliable power to TF39, TF47, and TF51 tube microphones. This high-quality unit ensures optimal microphone performance by delivering consistent voltage and reducing unwanted noise. With a built-in three-pattern selector switch, users can easily switch between cardioid, omnidirectional, and figure-8 pickup patterns, making it a versatile tool for any recording environment.

Multi-Pattern Selection for Maximum Flexibility
One of the standout features of the M 903 power supply is its ability to adjust the microphone’s polar pattern directly from the unit. This allows you to tailor the microphone’s response to suit different recording needs—whether you're capturing a solo vocal performance in cardioid mode, recording an ensemble in omnidirectional mode, or achieving a focused stereo image in figure-8 mode. This versatility makes the M 903 an essential tool for professional studios and recording engineers.

Premium Build Quality for Superior Performance
The M 903 is engineered with top-tier components, including high-quality capacitors, robust RF suppression, and improved voltage regulation. These features ensure that the connected microphone receives a clean, interference-free power supply, enhancing overall audio clarity. Its durable construction and reliable circuit design provide years of consistent operation, making it a trusted choice for professionals.

Compatibility with Additional Tube Microphones
In addition to supporting the TF39, TF47, and TF51, the M 903 power supply is also compatible with the AK-47MkII, AR-51, and M16 tube microphones. This extended compatibility makes it a valuable addition to any studio, providing flexibility across multiple microphone models without the need for additional power units.

Reliable Operation in Any Studio Environment
With a 7-pin female XLR input and a 3-pin male XLR output, the M 903 integrates seamlessly with your existing microphone setup. It delivers stable power to your microphone, reducing the risk of performance fluctuations and ensuring high-quality sound capture in every session. Whether you're tracking vocals, instruments, or room ambiance, this power supply keeps your tube microphone running at peak performance.