RODE Microphones NT55 Manual de usuario

(

EMC, LVD

)

NT55

Instruction Manual

NT55

I want to thank you for purchasing a

NT55.

Please take the time to read this manual

as it contains information that will help

you achieve the best results from your

microphone, as well as help you get

many years of reliable service from

your investment.

Although clearly relevant to instrument

mic’ing, the NT55 is extremely well suited

to situations where a small ‘unobtrusive’

but powerful microphone system is

required.

The NT55 utilises the 1/2” (externally

biased) gold sputtered true condenser

transducer used in the internationally

renowned RØDE NT5. The NT55, is

a state-of-the-art low noise balanced

output microphone, exhibiting a wide

dynamic range and full frequency

response.

The NT55 circuit incorporates a

3-position variable pad: 0, -10 or 20dB

attenuation, and a 3 -position variable

high-pass filter that enables you to step

from a flat response to 75 or 150 Hz high

pass filter.

The NT55 is intended for Film,

Television, Broadcast, Live Performance,

Theatre, Surround and Environmental

recording applications or wherever your

imagination takes you.

The NT55 comes with 2 different

condenser microphone heads to provide

a wide variety of polar patterns.

The NT55 is complemented with a

diverse range of accessories to better

facilitate positioning and attachment. For

more details of these accessories and any

additions to the range visit our website:

www.rodemic.com

If you have any questions or comments,

please don’t hesitate to contact us direct

[email protected]

Peter Freedman

Sydney, Australia

NT55

Specifi

cat

ions

Acousti

c Principle

Externally polarised 1/2” (13 mm)

pressure gradient condenser.

Directional Pattern:

Frequency range:

20 Hz ~ 20 000 Hz selectable HPF

@ 75 Hz & 150Hz / 12dB / Octave

Specifications

cont.

Output Impedance:

100

Signal/Noise ratio DIN/IEC 651:

79 dB (1 kHz rel 1 Pa; per IEC651,

IEC268-15)

Equivalent Noise:

15 dB SPL (per IEC651,

IEC268 -15)

Maximum SPL:

136 dB (@ 1% THD into 1 k

)

146 dB (@ 1% THD into 1 k

)

- pad -10

156 dB (@ 1% THD into 1 k

)

- pad -20

Sensitivity at 1 kHz into 1 k

-38 dB re 1 Volt/Pascal

(16 mV @ 94 dB SPL) +/- 2 dB

Maximum output voltage:

8 dBu (@ 1% THD into 1 k

)

Dynamic Range

- DIN/IEC 651:

121 dB (per IEC651, IEC268-15)

Power

(Supply voltage):

48 Volts (P48), 24 Volts (P24)

phantom

Output Connection:

3 pin XLR, balanced output

between pin 2(+), pin 3(-) & pin

1 (ground).

Weight:

110 grm. (4 oz.) Mic only

dB re 1 V/Pa

-10

-20

-30

20 Hz 100 1000 10 000 20 000

90 270

180

500 Hz

1000 Hz

4000 Hz

0.0

-2.0

-4.0

-6.0

-8.0

-10.0

-12.0

-14.0

-16.0

-18.0

-20.0

-22.0

-24.0 -25.0

dB rel. 1V/Pa

+5.0

90 270

180

500 Hz

1000 Hz

4000 Hz

–

0.0

-2.0

-4.0

-6.0

-8.0

-10.0

-12.0

-14.0

-16.0

-18.0

-20.0

-22.0

-24.0 -25.0

dB rel. 1V/Pa

+5.0 �

�

dB re 1 V/Pa

-10

-20

-30

20 Hz 100 1000 10 000 20 000

Omni

Cardioid

Omni

Cardioid

NT55

fig.1

Specifications

cont.

Dimensions:

Features

•

1/2”

(externally biased) g

old

sputtered

true condenser

capsule

• Heavy duty satin-nickel-plated

body

• 3-position variable pad: 0 dB,-10

and -20dB

• 3-position variable high-pass

filter: flat, 75 and 150 Hz

•

Low noise

Surface mount

technology

• Wide dynamic range

• Full frequency response

• Designed & manufactured in

Australia

• Cardioid & Omni capsules

• Special edition metal case

• RM5 Clip

• Full 10 year guarantee

(Conditions Apply)

Powering your NT55

The

NT55

is designed to operate

from phantom power to the P48

standard,

between 44 V and 52

V and P24 standard, between 20

V and 28 V, applied with positive

polarity to pin 2 and pin 3 of the

output XLR connector.

The

NT55

will operate

satisfactorily into a load

impedance as low as 1 k

. If a

load below this is used, the output

signal level will be reduced.

The

NT55

output is balanced between

pin 2 (hot) and pin 3 (cold). Pin 1

is ground.

Mounting your NT55

The NT55 comes complete with

RM5 Stand Mount (see fig. 1).

When connected to a mic stand

the RM5 securely holds

the mic in position. As

long as the NT55 is

suitably protected from

the elements it can be

positioned as required.

Before placing the

NT55 into the RM5

stand mount, remove all

cables and connectors

to eliminate the possibility of

damaging the connectors.

Place the NT55 into the RM5 by

pushing the mic in on an angle

(see figs. 2 & 3).







NT55

fig. 4

fig. 6

fig. 2

fig. 3









fig. 5

You will notice the holder is quite

firm. This is intended to stop the

mic from coming loose. Ensure

you leave the high-pass filter and

Pad controls facing upwards to

enable quick access (see fig. 3).

As with any recording set-up it

is best to explore the options

you have available and use the

product within these constraints.

Connecting your XLR cable

The NT55 offers a balanced

microphone level output and is

wired as follows: Pin 1 “earth”, Pin

2 “+” and Pin 3 “-”.

Make sure you use a high quality

low loss XLR cable that is as short

as practical to avoid losses and

distortion.

To connect the XLR to the back

of the NT55, align the slot on

the XLR connector to the groove

on the inside of NT55 body and

insert (see fig 4). Ensure that the

connector can not be removed

without depressing the release

button.

(See fig. 5).

NT55 Controls

Now that you have the NT55

securely fastened to a mic stand

or tripod etc., and the audio

output XLR connected, you are

ready to fine tune your setup.

The NT55

incorporates 2

3-position switches for varying

both the low end frequency

response (HPF) and sensitivity

(Pad) (see fig. 6)

The Pad setting provides a 10

or 20 dB reduction in sensitivity

and is commonly referred to

NT55

fig. 7

fig. 8

as attenuation. The 3-position

variable High-Pass Filter enables

you to step from a flat response to

75 or 150 Hz cut.

Use the high pass filter when you

wish to remove low frequency

noise that is not part of your

intended sound source.

Remember however the tonal

characteristics will be affected

by this, so it is important that

you listen to the sound with and

without the HPF in circuit before

deciding if it is appropriate for the

source.

A small screwdriver or pen can be

used to alter the switch positions

as required.

Interchangeable capsules

To further enhance the versatility

of the NT55,

has a range

of interchangeable capsules that

enable the response pattern to be

tailored for specific applications.

Designed and manufactured in

Australia, these capsules offer low

noise and low distortion as well as

high SPL capabilities.

Changing capsules

The NT55 capsules are designed

to be user friendly and switching

between capsules is easy.

First make sure that the mic is

disconnected from all power by

removing the XLR. Once this is

done the capsule can be easily

unscrewed from the NT55 body

(See fig. 7).

Take extra care with the body

and capsule when they are

apart and avoid exposure to any

moisture and dust. Always store all

components in the case provided.

Replace the desired capsule

onto the body by screwing it into

position (See fig 8).

NT55 Applications

The NT55 is intended for Film,

Television, Broadcast, Live

Performance, Theatre, Surround

and Environmental recording

applications; or wherever your

imagination takes you.

NT55

Accessories

has a full line of

accessories such as wind shields,

boom poles etc., so c

ontact your

local dealer or visit the RØDE

website for more details - www.

rodemic.com.

Warranty Service

The

NT55 is warranted

for 1 year from the date of

purchase. You can extend that to a

full ten years if you can register on

line at www.rodemic.com.

The warranty covers parts and

labour that may be required to

repair the microphone during the

warranty period.

The warranty excludes defects

caused by normal wear and tear,

modification, shipping damage,

conforming to mandatory

standards or failure to use the

microphone as per the instruction

guide.

If you experience any problems or

have any questions regarding your

microphone, first, contact

the dealer who sold it to you. If

the microphone requires factory

authorized service, that dealer will

organise return.

We have an extensive distributor/

dealer network but if you have

difficulty getting the advice or

assistance you require, do not

hesitate to contact us directly

International:

Microphones.

Unit 2/107 Carnarvon Street

Silverwater NSW 2128 Australia

Ph: 61 2 9648 5855

Fax: 61 2 9648 2455

USA:

P.O. Box 3279

Torrance, CA 90510-3279

Ph: 877 328 7456 (Toll Free Within the US)

Ph: 310 328 7456

Fax: 310 328 7180

Technical Support:

For information and technical support

questions contact:

[email protected]

In the Unites States and Puerto Rico, contact:

[email protected]

or call 877 328 7456 toll free

or 310 328 7456

In Australia, contact:

[email protected]

or call: (02) 9648 5855

Anywhere except Australia, the United States

and Puerto Rico, contact:

[email protected]

Australia: 61 2 9648 5855

www.rodemic.com

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