Mercenary Audio - Microtech Gefell M 900 Cardioid Studio Condenser

One of the most unique microphones in Mercenary's offerings the M-900 is an absolute powerhouse for guitars, drums and vocals. With its rugged construction and gold sputtered, Mylar® backed diaphragm the M-900 can achieve a depth and presence like few microphones we have ever experienced. Perfect for loud electric guitar recording as well as close mic'ed drum the M-900 is expressiveness personified.

gefell m900 features

The M 900 and M 910 condenser microphones have been developed for recordings of instrumental and vocal soloists in the professional market. Its well balanced frequency response in the free field as well as in the diffuse field and the appropriate distinct characteristics ensure clean and colorless recordings of any sound sources with good selectivity. It is advisable to use the M 910 by soloists because it shows a specially optimized frequency response for this kind application. A distance of less than 8 to 12 inches, which is recommended as minimum distance between lips and microphone, causes a coloration with an emphasis of lower frequencies, the proximity effect.

An acoustic filter integrated in the protective basket reduces the pop sensitivity. The direction of maximum sensitivity is axial, i.e. end wise to the microphone. This fact and the ergonomic design make these microphone the right choice for live performance of soloists. Following the modern trend of technique the transducer is equipped with a gold plated polyester membrane. The newly developed transformerless impedance transducer having a balanced output stage guarantees a high output capability and low intrinsic noise. Together with the good qualities of the microphone capsule a high brilliance of the live performance is reached. A 10 dB attenuator is installed to reduce the sensitivity of the microphone when placed near extremely loud sound sources. And a low frequency roll-off switch will reduce the proximity effect when close miking. The two switches are sunk placed in the middle of the amplifier.

At the lower end of the amplifier the microphone is equipped with a 3-pin XLR connector fitting to the microphone cable C 70. These microphones use 48 volt phantom powering according to the international standards DIN 45596 and ICE 26815.

SPECIFICATIONS

Polar pattern: cardioid
Acoustical operating principle: Pressure gradient transducer
Frequency range: 40 ... 18000 Hz
Sensitivity at 1 kHz: 17 mV/Pa
Switch position "reduced bass roll-off" at 90 Hz: -10 dB
Rated impedance: 150Ω
Equivalent loudness level: CCIR 468-4 21 dB
Inherent noise: DIN EN 60 651 13 dB - A
Signal-to-noise-ratio: CCIR-weighted: 73 dB
(re. 1 Pa at 1 kHz): A-weighted: 81 dB
Max. SPL for THD < 0.5%: 143 dB
Total dynamic range: 120 dB
Current consumption (P 48, DIN 45596, IEC 268-15): 3 mA
Output connector: 3-pin XLR connector goldplated contacts
Dimensions: 218 mm x 47/28 mm

MANUALS & PDFs

Gefell M900 and M910 Manual

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