Használati útmutató Neumann TLM 50

Neumann mikrofon TLM 50

Olvassa el alább 📖 a magyar nyelvű használati útmutatót Neumann TLM 50 (17 oldal) a mikrofon kategóriában. Ezt az útmutatót 5 ember találta hasznosnak és 2 felhasználó értékelte átlagosan 4.5 csillagra

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Oldal 1/17

   · .  ·   · 

  () /   - ·  - · @. · ..

TLM 

O M 2

B 6

M ’ 10

I O 14

M   18

G 22

I  ’ 26

1. Introduction

This manual contains essential information for the

operation and care of the product you have pur-

chased. Please read the instructions carefully and

completely before using the equipment. Please

keep this manual where it will be accessible at all

times to all current and future users.

Additional information, in particular concern-

ing available accessories and Neumann service

partners, can always be found on our website:

www.neumann.com. Information about service

partners can also be obtained by telephone:

+49 (0) 30 / 41 77 24 - 0.

The following related ﬁles are available in PDF

format in the Downloads section of our website

www.neumann.com:

Operation with Unbalanced or Center Tap

Grounded Inputs

Some Remarks on Microphone Maintenance

The Neumann online forum on our website en-

ables Neumann users worldwide to share their

experiences. Through its integrated archive func-

tion, the forum has developed into an extensive

knowledge pool.

2. Safety instructions

The microphone has the intended purpose of con-

verting acoustic signals into electrical signals.

Connect the microphone only to microphone in-

puts and devices which supply 48 V of phantom

power in accordance with IEC 61938.

Repairs and servicing are to be carried out only

by experienced, authorized service personnel.

Unauthorized opening or modiﬁcation of the

equipment shall void the warranty.

Use the equipment only under the conditions

speciﬁed in the “Technical data” section. Allow

the equipment to adjust to the ambient tempera-

ture before switching it on. Do not operate the

equipment if it has been damaged during trans-

port.

Always run cables in such a way that there is no

risk of tripping over them.

Unless required for operation, ensure that liquids

and electrically conductive objects are kept at a

safe distance from the equipment and its connec-

tions.

•

Do not use solvents or aggressive cleansers for

cleaning purposes.

Dispose of the equipment in accordance with the

regulations applicable to the respective country.

3. Brief description

The TLM 50 is a condenser studio microphone

with transformerless (TLM) circuit technology.

The microphone operates as a pressure trans-

ducer, with an omnidirectional directional char-

acteristic.

Key features include exceptionally clean sound

transmission which is free of coloration, with ex-

tremely low self-noise and an extensive dynamic

range.

The diaphragm of the TLM 50 is mounted ﬂush

with the surface of a plastic sphere. Due to the

favorable pressure build-up and deﬂection char-

acteristics of the sphere, the change of frequency

response relative to the angle of incidence of the

sound is signiﬁcantly smoother than is the case

with cylindrical capsules.

The directivity also exhibits an exceptionally lin-

ear increase as the frequency increases.

The microphone has a titanium diaphragm, which

exhibits an extremely fast transient response due

to its small mass.

A switchable high-pass ﬁlter increases the lower

cuto frequency from 30 Hz to 100 Hz.

The pre-attenuation switch reduces the micro-

phone sensitivity by 10 dB, thus allowing the pro-

cessing of very high sound pressure levels.

Typical applications of the TLM 50 include use in

orchestral recording as a main pair in AB technol-

ogy. In surround recording, it is usually used in

Decca tree formation for larger ensembles.

4. Scope of delivery

TLM 50 Set:

TLM 50 microphone

MNV 87 mt auditorium hanger

IC 4 mt microphone cable with stand mount

Operating manual

Dust cover

Wooden box

•

7. Troubleshooting

Problem

▶

Possible causes

▶

Solution

Microphone

not operating

The phantom power supply voltage is not

switched on at the mixing console or at the

power supply equipment.

Check the corresponding channel settings.

The power supply equipment is not con-

nected to the power supply line or there is

no battery.

Check the connection to the power supply

line or check the battery of the power supply

equipment.

No signal

transmission

The microphone is not connected to the

correct microphone ampliﬁer input of the

subsequent equipment.

Check the signal path.

If necessary, activate the appropriate input

on the corresponding channel of the mixing

console.

8. Technical data and

connector assignments

Permissible atmospheric conditions:1)

Operating temperature range ......... 20 °C ... +70 °C

Storage temperature range ...............0 °C ... +70 °C

Humidity range ..................... 0 % … 90 % at +20 °C

0 % … 85 % at +60 °C

Acoustical oper. principle......Pressure transducer

Directional pattern ....................... Omnidirectional

Frequency range ...............................20 Hz...20 kHz

Sensitivity2) ....................................20 mV/Pa ± 1 dB

with preattenuation ...............................6.3 mV/Pa

Rated impedance ........................................50 ohms

Rated load impedance ..........................1000 ohms

Signal-to-noise ratio3),

CCIR4) ...............................................................68 dB

Signal-to-noise ratio3),

A-weighted4) ....................................................81 dB

Equivalent noise level,

CCIR4) ................................................................26 dB

Equivalent noise level,

A-weighted4) ................................................. 13 dB-A

Max. SPL for 5)

less than 0.5 % THD...................................... 136 dB

with preattenuation ..................................... 146 dB

Max. output voltage ...................................... 10 dBu

Supply voltage6) ....................................... 48 V ± 4 V

Current consumption6) .....................................3 mA

Matching connector .......................................XLR3F

Weight ............................................................. 490 g

Dimensions ................................Ø 56 mm x 145 mm

94 dB SPL equiv. to 1 Pa = 10 µbar

0 dB equiv. to 20 µPa

The microphone has a balanced, transformerless

output. The 3-pin XLR connector has the following

standard pin assignments:

Pin 1: 0 V/Ground

Pin 2: Modulation (+phase)

Pin 3: Modulation (–phase)

All values for non-condensing humidity. The values are

valid for clean and well-looked-after microphones or

microphone capsules, respectively. Any kind of pollution

of capsules and membranes may restrict the said values.

at 1 kHz into 1 kohms rated load impedance.

3) re 94 dB SPL

4) according to IEC 60268-1;

CCIR-weighting acccording to CCIR 468-3, quasi peak;

A-weighting according to IEC 61672-1, RMS

5) THD of microphone ampliﬁer at an input voltage

equivalent to the capsule output at the speciﬁed SPL.

6) Phantom powering (P 48, IEC 61938).

Termékspecifikációk

Márka:	Neumann
Kategória:	mikrofon
Modell:	TLM 50

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