TLM 50
Neumann Discontinued

TLM 50

The TLM 50 is a transformerless studio microphone with an omnidirectional pressure-transducer capsule mounted flush in a sphere, following the design of the classic Neumann M 50. It suits stereo main-microphone recording of instruments and room ambience, for example in concert halls.

  • Omnidirectional pressure transducer capsule
  • 12 mm titanium diaphragm, 5 µm thick
  • Transformerless output stage
  • -10 dB switch and switchable high-pass filter
  • Max SPL 136 dB, 146 dB with pre-attenuation
  • Includes swivel mount and MNV 87 auditorium hanger
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Description

The TLM 50 is an omnidirectional studio microphone that revives the capsule concept of the 1950s M 50. The 12 mm titanium diaphragm, only 5 µm thick, sits flush in the surface of a sphere. This gives a gentle rise in frequency response and increased directivity at high frequencies, while the low range behaves like a pressure transducer with linear response down to the lowest frequencies.

The electronics are transformerless, with an impedance converter built into the capsule housing as a hybrid module. At the rear are a -10 dB switch, which lowers the capsule polarizing voltage from 60 V to 23 V, and a high-pass filter for frequencies below 100 Hz. In the LIN position the cutoff is 30 Hz.

The microphone uses a 3-pin XLR output on 48 V phantom power. It comes with a swivel mount cable and an MNV 87 auditorium hanger, so it can hang freely from its own cable, for instance from a concert hall ceiling. It received the 1991 MIX Magazine TEC Award.

Specifications

Brand
Neumann
Model
TLM 50
Category
Studio › Microphones

Audio

Acoustical operating principle
Pressure transducer
Directional pattern
Omnidirectional
Frequency range
20 Hz ... 20 kHz
Sensitivity at 1 kHz into 1 kohm
20 mV/Pa
Equivalent noise level, CCIR
26 dB
Equivalent noise level, A-weighted
13 dB-A
Maximum SPL for THD 0.5%
136 dB
Maximum SPL for THD 0.5% with preattenuation
146 dB
Diaphragm diameter
12 mm
Diaphragm thickness
5 µm

Outputs

Rated impedance
50 Ohms
Rated load impedance
1000 Ohms
Maximum output voltage
10 dBu
Matching connector
XLR 3 F

Controls

Pad
-10 dB switch
High-pass filter
Below 100 Hz; 30 Hz cutoff in LIN position

Power

Supply voltage (P48, IEC 61938)
48 V ± 4 V
Current consumption (P48, IEC 61938)
3 mA

Physical

Diameter
56 mm
Length
145 mm
Weight
490 g

In the box

Mounting
Swivel mount cable
Auditorium hanger
MNV 87

Data: neumann.com; photos: Neumann product page · updated 2026-10-12 · Found a mistake? Write to us