Product Code: NE007166
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The first Neumann mic with transformerless technology, featuring 5 directional characteristics, selectable at the mic or remotely, in addition to pre-attenuation and low-cut filter switches. The excellent sound pressure handling capability makes this mic ideal for recording wind instruments, for example.
Zoom: TLM170 R studio microphone
The TLM 170 R* was the first microphone to use the successful fet 100 technology. Along with a balanced, transformerless output stage it features extremely low self-noise and an impressive dynamic range.
Five directional characteristics are selectable by means of a rotary switch. In the sixth position, marked "R", the directional patterns can be controlled remotely with the N 248 power supply. There is no special cable necessary for this purpose.
The microphone has at its rear a 10 dB attenuation switch for extremely high sound pressure levels, and a high-pass filter to suppress structure born noise.
The TLM 170 R condenser microphone is a large diaphragm microphone with multiple polar patterns. Its sound has a very transparent characteristic, in contrast to some of our other microphones that have a distinct personality.
Therefore, this microphone is used for many diverse applications in professional recording studios, in broadcasting, film and television, and for semiprofessional productions. The polar patterns can be selected either at the microphone itself, or controlled remotely through the special N 248 power supply.
The microphone is addressed from the front, marked with the Neumann logo. The large diaphragm capsule inside the headgrille has a very smooth frequency response for all polar patterns over a wide acceptance angle. The curves are flat and parallel to the 0° frequency curve up to 10 kHz within an angle of ± 100°.
As a result the TLM 170 R has a very even diffuse-field response for all polar patterns. This is important in a reverberant environment, as more reflections arrive at the microphone from different directions. The acoustic information is not affected in its tonal quality when recorded by the microphone. This characteristic is achieved without resorting to corrective resonance effects.
Therefore, the microphone maintains an excellent impulse response reproducing all transient phenomena of music and speech without any coloration. The capsule is elastically mounted to avoid any structure borne noise that could interfere with its operation.
In addition to the usual directional polar patterns: omnidirectional, cardioid, and figure-8, we have added a hypercardioid and wide-angle cardioid characteristic. When compared to the standard cardioid pattern, the hypercardioid characteristic suppresses sound from the side more efficiently. The wide-angle polar pattern is especially useful to record large sound sources.
The N 248 controls the polar pattern remotely by varying the phantom voltage. The range is ± 3 V of the nominal 48 V value. (According to DIN standard a range of ± 4 V is permissible.)
The rotary switch on the microphone must be in the position R (= remote control). In this switch position the TLM 170 R microphone analyses the absolute value of the phantom power and selects the corresponding polar pattern. A standard 3-pin microphone cable is used, similar to the microphone's conventional operation. Cable lengths may be up to 300 m (1000 feet).
The letters TLM stand for "transformerless microphone". 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.
Use on tripods
The TLM 170 R is provided with a tilting side bracket to attach the microphone to booms or stands. The bracket is equipped with rubber elements that effectively protect the microphone from mechanical shock. If necessary, it can be mounted on the other side of the microphone as well.
When using the IC 4 cable (for example to suspend the microphone from the ceiling with the MNV 87 auditorium hanger), the bracket and its holder need to be removed. The microphone can then be connected to the swivel mount connector of the cable.
Filter and attenuation
The TLM 170 R microphone has a 10 dB attenuation switch to prevent the input of the following unit from being overloaded. A second switch at the rear allows to attenuate the frequency response below 100 Hz to suppress undesired structure borne noise.
All exposed surfaces of the capsule, including the diaphragms, are at ground potential. This technology makes them highly immune to electrical and atmospheric interference and contamination through dust particles.
Local and remote controlled large diaphragm microphone
Pressure-gradient transducer with double membrane capsule
Five directional characteristics: omni, wide angle cardioid, cardioid, hypercardioid, figure-8
Patented circuitry for remote and local switching of directional characteristics
Switchable low frequency roll-off and 10 dB preattenuation
Tiltable, elastically suspended bracket mount
For universal use, very transparent, without coloration
Announcer's mic for broadcasting, dubbing, voice-over
Ideal mic for close miking of instruments with high sound pressure levels
Spot mic for wind instruments, especially trumpet and saxophone, strings, piano, kick drum, guitar amps
During recordings when the mic is in a location where it is difficult to change polar patterns, for example, suspended from a ceiling. A special remote control is available.
Acoustical operating principle Pressure gradient transducer
Directional pattern Omnidirectional, wide angle cardioid, cardioid, hypercardioid, figure-8
Frequency range 20 Hz ... 20 kHz
Sensitivity at 1 kHz into 1 kohm 8 mV/Pa
Rated impedance 50 ohms
Rated load impedance 1 kohms
Equivalent noise level, CCIR1) 26 dB
Equivalent noise level, A-weighted1) 14 dB-A
Signal-to-noise ratio, CCIR1) (rel. 94 dB SPL) 68 dB
Signal-to-noise ratio, A-weighted1) (rel. 94 dB SPL) 80 dB
Maximum SPL for THD 0.5%2) 144 dB
Maximum SPL for THD 0.5% with preattenuation2) 154 dB
Maximum output voltage 10 dBu
Supply voltage (P48, IEC 61938) 48 V ± 4 V
Current consumption (P48, IEC 61938) 3 mA
Matching connector XLR3F
Weight 625 g
Diameter 60 mm
Length 152 mm
In the box
Microphone TLM 170 R (mt)
With years of experience supplying Businesses, Government Organisations, Charities, Schools, Colleges and Universities, we invite you to take advantage of our knowledge to help you make an informed choice, ensuring you are purchasing the best music products for your needs. With specialists in PA Systems, Pro Audio & Live Sound equipment on hand to answer calls and emails, you're in the best possible hands.
Contact us now to discuss your requirements or to request a quotation. Additional discounts may apply for educational establishments or size and value of order.
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