Perhaps the flagship model of the Microtech Gefell line of microphones this modern tube mic has many features only found in 40-50 year old microphones. Starting with its remarkably low noise tube amplifier and carrying over to the PVC backed diaphragms found in the capsule this mic is capable of just about everything. MT Gefell is the only company on the planet that still builds a faithful PVC backed capsule that was commonly found in early and revered Neumann microphones. These PVC backed capsules net a warm, deep, rich tone with an unparalleled quality for "air" and "breath" that have made them a vocal standard in much of the recording world.
Gefell UM92.1 features
The capsules are selected for optimum polar response. Three directional characteristics, omni-directional, cardioid and figure-8 are selectable with a pattern selector switch mounted on the power supply.
The vacuum tube microphone shows a considerable signal-to-noise ratio and a high sensitivity. The UM92.1S has the typical warm full sound of tube microphones which is especially preferred by singers and soloists. The direction of maximum sensitivity is radial to the grill, i. e. side addressed.
The vacuum tube amplifier is a time proven design using a pentode working as high μ triode selected for its sonic characteristics.
The N 920.1 power supply provides the polarization voltage for the capsule and the necessary DC voltages to the microphone amplifier. It is recommended to set the heater voltage of the power supply to 5,8 volts by your service work- shop for cable lengths longer than 50 meters.
Mounted on the front panel are the pattern selector switch and the on/off - switch. Mounted on the rear panel are the AC mains connector with choice of voltage, the 7-pin Tuchel connector which powers the microphone and a standard 3-pin XLR connector for audio output.
SPECIFICATIONS
- Patterns: Omni, Cardioid, Figure 8
- Response: 40Hz - 18kHz
- Sensitivity: 15mV/Pa
- Self Noise: 17dB-A
- Signal to Noise: 77dB-A
- Maximum SPL: 120dB < 0.5% THD
- Dynamic Range: 103dB
This set includes the UM92.1S, EA92 Suspension Mount and ships in the Case-1 aluminum flight case.
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