UM 57
Tube Microphone
From Microtech Gefell:
The Vintage Studio Microphone UM 57 is the original reissue of the legendary Gefell UM 57 microphone with original M7 capsule with self-made, gold-plated PVC diaphragms. The unique character of this tube microphone has defined the sound of his era and is appreciated by numerous artists and producers all over the world.
The vacuum tube pre-amplifier is equipped with the EF 86 pentode working as a triode selected for its sonic characteristics. The UN 57 power supply provides the operating voltages for the microphone and enables remote switching of the polar pattern omnidirectional, cardioid and figure of 8. It can be powered from AC mains with a primary voltage of 115 or 230 volts / 50 or 60 Hz. The UN 57 is equipped with an on/off switch, a selector switch for the polar pattern, a 7-pin connector that powers the microphone and a 3-pin XLR connector.
The Vintage Studio Microphone UM 57 and the power supply UN 57 have a hammered patina finish and comes in a suitcase with connection cable C tube and elastic suspension EA 92.
Specs
- Type
- Pressure gradient transducer
- Pattern
- omni, cardioid, figure of 8
- Frequency response
- 20 Hz to 20,000 Hz
- Sensitivity at 1 kHz
- 17 mV/Pa
- Output impedance
- 200 Ohm
- Self-noise (DIN EN 60268-4)
- 16 dB(A)
- Self-noise (CCIR 468-4)
- 24 dB
- Signal-to-noise ratio (A-weighted)
- 78 dB
- Signal-to-noise ratio (CCIR weighted)
- 70 dB
- Maximum SPL (0.5% THD)
- 120 dB
- Dynamic range
- 104 dB
- DC power supply
- 120 V -
- Anode current
- 1 mA -
- Heater voltage
- 5,8 V -
- Heater current
- 200 mA -
- Tube (low-noise)
- EF 86
- Connector (microphone)
- 7-pin
- Connector (power supply)
- XLR3M
- Length
- 197 mm
- Diameter
- 42 mm
- Weight
- 430 g
- Finish
- hammered patina grey
- Included
- Vintage Studio microphone UM 57, power supply UN 57, connection cable C tube and elastic suspension EA 92 in suitcase
Source: Microtech Gefell UM 57 product page (English)