Microtech Gefell UM930 Full Nickel
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Manufacturer Information
Microtech Gefell
https://www.microtechgefell.de
info@microtechgefell.de
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Safety manager:
Microtech Gefell GmbH
Email: info@microtechgefell.de
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A Versatile Staple in the UM Range
The UM 930 is established as a reference microphone for professional and semi-professional recording. It carries the DNA of classic large-diaphragm studio condensers while adding Reed relay polar pattern switching and modern recording ergonomics. The "UM 930 Twin" variant further expands its application by offering two capsules usable simultaneously.
Who Is It For and What Are Its Uses?
Designed for music studios, broadcast, and post-production, the UM 930 excels on sung and spoken vocals, dialogue, and a wide range of instruments: guitars, keyboards, percussion, winds, and strings. Its side-address design facilitates precise placement, while the integrated suspension and robust body minimize vibrations and handling noise.
Key Features for a Modern Workflow
Polar pattern selection is done via maintenance-free Reed relays, with a function that mutes the signal during switching to avoid any switching noise. A green LED under the grille confirms the "ready" status. The damped mechanical architecture reduces housing resonances and structure-borne transmissions. Colored rings (green, red, blue) can replace the black rings to identify your microphones in the studio.
In the UM 930 Twin version, a fixed cardioid microphone serves as a reference, while a second offers five simultaneous polar patterns, all accessible via a 5-pin XLR connector. This approach allows comparing and adjusting the polar pattern during recording, using a simple 5-pin cable or an adapter to two 3-pin XLR connectors.
Technical specifications
| Frequency response | 40 Hz - 18 kHz | Capsule | Large Diaphragm |
| Category | studio microphone | Connection | XLR |
| Directivity | cardioid | Color | Grey |
| Type | dual large-diaphragm condenser microphone | Current consumption | 4.5 mA |
| Acoustic principle | pressure variation sensor | Status indication | green LED under the grille |
| Polar patterns | omnidirectional, wide cardioid, cardioid, hypercardioid, figure-8 | UM 930 output | 3-pin XLR, gold-plated contacts |
| Address | side (active side marked by the polar pattern symbol and model number) | UM 930 Twin output | 5-pin XLR, gold-plated contacts |
| Sensitivity (1 kHz, cardioid) | 20 mV/Pa | Customization rings | black, with available rings in green, red, and blue |
| Nominal impedance | 100 ohms | Finish | satin nickel, dark bronze |
| Equivalent noise (cardioid) | 13 dB CCIR 468-4; 7 dB A-weighted (DIN EN 60651) | Dimensions (length x diameter) | 158 mm x 65 mm |
| Signal-to-noise ratio (1 Pa at 1 kHz) | 81 dB CCIR; 87 dB A-weighted | Weight | 930 g |
| Maximum sound pressure level (at 0.5% THD) | 142 dB SPL | Two microphones | one fixed cardioid and one with five simultaneous polar patterns |
| Dynamic range | 135 dB | Cabling compatibility | 5-pin XLR cable or adapter to two 3-pin XLR connectors |
| Power supply | P48 (DIN 45596, IEC 268-15) | ||
Questions frequently asked
Does the Microtech Gefell UM930 Full Nickel offer multiple polar patterns?
Five polar patterns are available: omnidirectional, wide cardioid, cardioid, hypercardioid, and figure-8. Selection is done via reed relays, with signal cut-off during switching to avoid noises.
What power supply is required for the UM930?
A P48 phantom power supply compliant with DIN 45596 and IEC 268-15 standards is required, with a consumption of 4.5 mA.
Is this microphone suitable for vocals and acoustic instruments?
Its large-diaphragm capsule and frequency response from 40 Hz to 18 kHz allow it to capture sung or spoken vocals. It is also designed for guitars, keyboards, percussion, wind instruments, and strings. The maximum level of 142 dB SPL at 0.5% harmonic distortion is suitable for high sound pressure levels.
How should the UM930 be positioned in front of a source?
Sound capture is done from the active side, marked by the polar pattern symbol and model number. The body features a mechanical suspension designed to reduce vibrations and structure-borne noise.
What connectors and dimensions does this microphone have?
Output is via XLR, with a nominal impedance of 100 ohms. The microphone measures 158 mm in length, 65 mm in diameter, and weighs 930 g.
