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Microtech Gefell M92.1S
Large Diaphragm Condenser Microphone

OUR PART #:  M92.1S

NOTE: Comes in satin nickel and black matte finishes.  Includes power supply, cable, and carrying case.
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Selected Model Price: $3,128.29
List Price: $3,132.00
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Microtech Gefell M92.1S
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NOTE: Comes in satin nickel and black matte finishes.  Includes power supply, cable, and carrying case.

Microtech Gefell's M92.1S is a "vintage" large-diaphragm condenser tube microphone equipped with an M7 capsule.  This pressure gradient transducer features a dual-membrane, gold evaporated PVC capsule that is still hand-made in the Gefell factory following the 75-year tradition.  The M92.1S is the choice for those that want the true sound and character of the original Neumann-Gefell UM57 with the added benefit of improved reliability and lower noise.  The M92.1 exhibits high sensitivity, excellent signal-to-noise ratio and it has the full sound, tube warmth, and character that are favored by singers and soloists.


  • Polar pattern: cardioid
  • Acoustical operating principle: Pressure gradient transducer
  • Frequency range: 40 Hz - 18 kHz
  • Sensitivity at 1 kHz: 19 mV / Pa
  • Rated impedance: 200 ohms
  • Equivalent loudness level due to inherent noise:
    - CCIR 468-4 (qps): 25 dB
    - DIN EN 60651: 15 dB - A
  • Signal-to-noise ratio (re 1 Pa at 1 kHz):
    - CCIR-weighted: 69 dB
    - A-weighted: 79 dB
  • Max. SPL for THD = 0.5 %: 103 dB
  • Total dynamic range of the microphone amplifier: 106 dB
  • DC power supply: 120 V -
  • Anode current: 1 mA -
  • Heater voltage: 5.8 V -
  • Heater current: 200 mA -
  • Tube: EF 86
  • Output connector: 7- pin Tuchel C 70 / A
  • Weight: 430 g
  • Dimensions (L x Ø): 197 mm x 42 mm

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