RODE Microphones NT55 User manual

(EMC, LVD)

NT55

Instruction Manual

www.rodemic.com

- 2 -

Introduction

Thank you for investing in the NT55 studio

condenser microphone.

Whether you’ve purchased this mic on its own, or as a

part of a matched pair set, I’m conﬁdent that you will

ﬁnd the NT55 is a masterpiece of small-diaphragm

cardioid-condenser microphone design.

Although clearly relevant to instrument miking, the

NT55 is extremely well suited to situations where a

small ‘unobtrusive’ yet 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 lownoisebalancedoutputmicrophone,

exhibiting a wide dynamic range and full frequency

response.

The NT55 circuit incorporates a three position variable

PAD with 0, -10 or 20dB attenuation, and a three 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 two different condenser

microphone heads to provide a wide variety of polar

patterns.

Please take the time to visit www.rodemic.com and

While there you can view studio tips and techniques, as

well as browse the comprehensive range of accessories

for the NT55 and other microphones.

Peter Freedman

Microphones

Sydney, Australia

- 3 -

Speciﬁcations

Acoustic

Principle:

Pressure gradient

Directional

Pattern:

Cardioid

(see graph)

Frequency

Range:

20Hz ~ 20,000Hz

(see graph)

Output

Impedence:

100Ω

Sensitivity: -38dB re 1V/Pa @ 1kHz

(12.6mV/Pa @ 94dB SPL)

±2dB @ 1kHz

Equivalent Noise: 15dBA SPL

(per IEC651)

Maximum

Output:

+8dBu

(@ 1kHz, 1% THD into 1kΩ)

Dynamic Range: >121dB ( per IEC 6 51)

Maximum SPL: 136dB (146/156dB using PAD)

(@ 1kHz, 1% THD into 1kΩ)

Signal/Noise: 79dB SPL

(@ 1kHz, rel 1Pa per IEC651)

Power

Requirement:

Phantom P48

Output

Connection:

3-pin XLR

Net Weight: 100g

Dimensions: 145 x 20 x 20mm

- 4 -

Speciﬁcations

Frequency Response

Polar Response

Cardioid capsule

Omni capsule

HPF @ 75Hz (12dB/Octave)

HPF @ 150Hz (12dB/Octave)

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Frequency:

500 Hz:

1000 Hz:

4000 Hz:

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- 5 -

Features

• Full (externally biased) Condenser

• Gold sputtered ½” capsule

• Heavy-duty satin nickel-plated body

• Three position PAD (0/-10/-20dB)

• Three position High-Pass Filter (0/75/150Hz)

• Cardioid or Omni polar pattern

(using interchangeable capsule)

• Full frequency response

• Designed & manufactured in Australia

• Full 10 year guarantee*

Accessories

*Online product registration required.

Single

Matched Pair

RM5

stand mount

2 x RM5

stand mount

NT45-O

Omni capsule

2 x NT45-O

Omni capsule

Custom case

RC5

Hard case

- 6 -

• The NT45 capsules are designed to be user-

friendly, making the interchanging of capsules a

simple procedure.

• Ensure 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.

• 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.

Changing the capsules

Cardioid (NT45-C) and Omni (NT45-O)

capsules are also available separately,

and are compatible with RØDE NT4,

NT5, NT55 and NT6 microphones.

- 7 -

• After use the NT55 should be removed from its

stand mount, wiped with a dry, soft cloth and

placed in its protective case with the supplied

moisture-absorbent crystals.

• Be sure to place the moisture-absorbent crystals

(supplied) at the head of the microphone(s), so as

to absorb any moisture present.

Eventually this pack of crystals will need to be

dried. This is indicated by the crystals turning pink

in colour.

They can easily be re-used by placing them in an

oven at 100 - 150 degrees celsius for approximately

ten minutes. The crystals will operate effectively

again once they have turned blue.

Storage

Powering the NT55

• For optimum performance the NT55 requires a

“P48” phantom power supply (48 Volt DC).

• Most professional mixing consoles have an internal

48 V supply; alternatively you can purchase a

separate supply. Ensure that the power supply you

use is a professional unit that is operating correctly.

• Damage resulting from the connection of the NT55

to a faulty power supply is not covered by the

warranty.

- 8 -

Warranty

All microphones are warranted for one year

from date of purchase. You can extend that to a full

ten years if you register online 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,

or failure to use the microphone as per the instruction

guide.

If you experience any problem, or have any questions

regarding your microphone, ﬁrst contact the

dealer who sold it to you. If the microphone requires a

factory authorised service, return will be organised by

that dealer.

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.

Microphones

International

107 Carnarvon Street

Silverwater NSW 2128 Australia

Ph: +61 2 9648 5855

Fax: +61 2 9648 2455

USA

P.O. Box 4189

Santa Barbara, CA 93140-4189

Ph: 805 566 7777

Fax: 805 566 0071

Technical Support

For information and technical support questions contact:

support@rodemic.com

In the Unites States and Puerto Rico, contact

usasupport@rodemic.com or call 805 566 7777

In Australia, contact ozsupport@rodemic.com or call (02) 9648 5855

Anywhere except Australia, the United States and Puerto Rico,

contact support@rodemic.com or call +61 2 9648 5855

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