Cardioid Studio Condenser Microphone
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The TLM 49 Cardioid Studio Condenser
Microphone from Neumann is a large-diaphragm studio microphone with a
cardioid directional characteristic and a warm sound, optimized for
vocal performance. It is supplied as a set, with an elastic suspension.
The design is inspired by the Neumann M 49 and M 50 microphones of the
1950s. The "sound design" is also oriented toward that of the M 49 and
the U 47. This microphone ensures low self-noise and the use of high
gain levels.
The large-diaphragm capsule of the TLM 49 provides a
cardioid directional characteristic with a tendency toward
supercardioid, due to the capsule construction. Following the example of
the M 49, high frequencies are more directional. The capsule diameter
is 34mm. The capsule is oriented so that the microphone is addressed
from the front.
The TLM 49 uses the K 47 capsule, which was also
used in the M 49 and the U 47. The capsule has a linear frequency
response up to the upper mid-range. Above 2 kHz there is a gentle
presence boost up to 3 dB. The capsule is enclosed by a large microphone
head grille, which is acoustically very open and is neutral with regard
to the sound.
With TLM technology the usual output transformer
is replaced by an electronic circuit. As with traditional transformers,
it ensures good common mode rejection, and prevents RF interference that
may influence the balanced audio signal. Noise signals which affect the
balanced modulation line are effectively suppressed. The microphone can
operate at sound pressure levels of up to 129 dB without distortion,
and provides a dynamic range of 117 dB (A-weighted).
The entire
interior structure is mounted elastically, to prevent the transmission
of structure-borne noise. In addition, the capsule is mounted with a
rubber shock mount. Due to the wide frequency response, the TLM 49 can
also transmit low-frequency signals without coloration. The TLM 49 is
supplied with the elastic suspension EA 3, which effectively protects
the microphone from structure-borne noise.
Features:
-Operating Principle Pressure Gradient
-Transducer Condenser
-Polar Pattern Cardioid
-Frequency Range 20 Hz to 20 kHz
-Signal to Noise Ratio 71 dB CCIR
-82 dB A-Weighted
-Equivalent Noise Level 23 dB CCIR
-12 dB A-Weighted
-Maximum SPL 110 dB SPL
-129 dB SPL
-Impedance 50 Ohms
-Load Impedance 1 kOhms
-Sensitivity 13 mV/Pa at 1 kHz into 1 kOhms