Microtech Gefell M990 Tube Microphone

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    The M990 is a cardioid valve microphone from Microtech Gefell with high signal-to-noise ratio with large diameter gold-plated plastic capsule and Tube preamplifier.

      SKU: MCGF0090 Categorías: , , , Marca:

      Microtech Gefell M990

      Renowned for it’s high sensitivity, the M 990 possesses a superb dynamic range. The combination of the modern, large diaphragm capsule technology with the classic full-bodied sound of valve microphones, makes it much sought after by vocalists and soloists. The large diameter pressure-gradient transducer in the M 990 has a sputtered gold plastic diaphragm, and the valve pre-amplifier uses a pentode configured as a triode, selected for its sonic characteristics.

      The M 990 is renowned for its high sensitivity and excellent signal-to-noise ratio. It combines modern large diaphragm capsule technology with the typical full-bodied sound of valve (vacuum tube) microphones that are preferred by vocalists and soloists. The M 990 valve capacitor microphone is well-suited for difficult radio play productions as well as a supporting microphone for orchestral recordings.

      The new pressure gradient transducer of the M 990 uses a large diameter gold-plated plastic diaphragm. The valve (vacuum tube) pre-amplifier is equipped with a pentode working as a triode selected for its sonic characteristics.

      The N 920.1 power supply provides the operating voltage for the capacitor microphone. It can be powered from AC mains with a primary voltage of 115 or 230 volts / 50 or 60 Hz.

      For cable lengths over 50 meters it is recommended to have your service provider set the heater voltage of the power supply to 5.8 volts. The N 920.1 is equipped with an on/off-switch, a 7-pin Tuchel connector that powers the microphone and a 3-pin XLR connector with integrated line voltage selector.

      The M 990 is packed in a wooden case and comes with power supply , connection cable C 92.1 and elastic suspension EA 92.

      Supploed complete with:

      • N920.1 Power supply
      • C92.1 Connection cable
      • EA92 Elastic suspension

      Optional accessories:

      • Aluminium flight case
      • Windscreen W92
      • Pop screen PO70
      • Microphone holder ‚ MH80
      • Cable with swivel mount ‚ C92.1s

      Specifications

      • Polar Pattern: Cardioid
      • Acoustic Operating Principle: Pressure gradient transducer
      • Frequency range: 40-18000Hz
      • Sensitivity at 1 kHz: 28mV/Pa
      • Rated Impedance: 200ohms
        • Equivalent loudness level due to inherent noise:

      CCIR 468-4 – 24 dB/DIN EN 60 651 – 13dB-A

      • Signal-to-noise ratio (re 1 Pa at 1 kHz): CCIR-weighted – 70dB/A-weighted – 81dB
      • Max. SPL for THD < 0,5%: 119dB
      • Total dynamic range of the microphone preamplifier: 106dB
      • DC power supply: 120 V-
      • Anode Current: 1mA-
      • Heater Voltage: 5.8 V-
      • Heater Current: 200 mA-
      • Tube: EF 86
      • Output Connector: 7-pin Tuchel
      • Weight: 400g
      • Dimensions (L x Ø): 185mm x 43mm

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