Lewitt MTP 840 DM User manual

www.lewitt-audio.com

ADD

YOUR

POWER

TUNES. MTP 840 DM

Thank you that you have opted for a LEWITT product. In this operating manual you will learn more about your LEWITT microphone, its handling

and its proper usage.

Music professionals know that it’s often the smallest details that make all the difference in vocal and instrumental recordings.

With our MTP series, we aim to exceed artists’ and audio engineers’ expectations of reproduction accuracy and isolation of the main sound

source. The new flagships among LEWITT's performance microphones - the MTP 840 DM and the 940 CM are true milestones of audio

technology.

All MTP microphones are professional-quality handheld dynamic and condenser performance microphones have been developed specifically

for the authentic, crystal-clear reproduction of vocals and are also well-suited for instrumental applications.

Customized frequency responses, a rugged construction, high gain before feedback and extremely low handling noise make all models of the

MTP series the perfect fit for any application, any performance and any setting.

LEWITT wishes you a lot of fun and success with this product!

MTP 840 DM Introduction

MTP 840 DM The product

With the dynamic performance microphone MTP 840 DM, LEWITT puts true studio performance onstage. Universally

usable thanks to switchable sensitivity and a multi-step high-pass filter, infinitely durable and optimally equipped for

punishing touring conditions without compromising on sound – this is what the MTP 840 DM stands for.

Excellent transient response, refined electronics and superior capsule design make the MTP 840 DM a unique tool for

onstage use. Innovative circuitry design and the highest-quality components make for exceptionally low self-noise and a

maximum of dynamic range when in active mode; the frequency curve, which is specially tailored for vocal recordings,

provides the ultimate in sound quality.

Numerous useful features make the MTP 840 DM incomparably versatile onstage and in the studio. A three-step high-

pass filter directly influences the proximity effect, allowing adaptation of the mic to an individual artist’s requirements.

The built-in three-position switchable amplifier, is specially adapted to the MTP 840’s components, allowing lossless

recording of even far-off sources. The LEDs on the MTP 840 DM, which can be turned off, make checking the mic’s

numerous settings a direct and easy matter even in the dark.

The new dynamic flagship MTP 840 DM transports the artist’s voice in a natural and powerful way, lending his or her

voice the necessary presence without falsifying its individual character. Consistent directionality across the entire

frequency spectrum makes for maximum protection against feedback, with the flexibly suspended capsule reducing

structure-borne noise to a minimum.

MTP 840 DM Features / Top applications

Features

Proprietary dynamic capsule tuned specifically for demanding vocal applications, with brightened midrange and extended low end

Uniform supercardioid pickup pattern for maximum isolation of the main sound source

Optional active mode provides superior dynamic range of 121 dB-A and extremely low self-noise of 19 dB-A for ear-catching realism

and distortion-free sonic depth

Optional 3-position switchable amplification (0 dB, 6 dB, and 12 dB) for unrivalled signal quality in demanding environments

3-position switchable high-pass filter for direct adjustment of proximity effect according to application and artist

Illuminated indication of microphone settings for quick and easy handling even in dark environments

Recessed slide switches prevent unintended change of settings

Effective integrated acoustic pop and windshield offers excellent protection without compromising high-frequency clarity

Rock-solid full metal, die-cast body for rough daily touring routine

Hardened steel mesh grille to prevent wear and abuse

Minimally affected by varying load impedance

Corrosion-resistant gold-plated 3-pin XLR output connector

Comes in a cardboard box including MTP 40 MCs shock mount and DTP 40 Lb artificial leather bag

■

Top applications

Lead and background vocals

Demanding live and studio applications

■

Using the mic

MTP 840 DM

User-interface

② Operating mode slide switch

① LED Display ③ Gain slide switch

④ High-pass filter slide switch

⑤ Switch tool

LED Display ①

■A1: no high-pass filter active

■A2: 12 dB / octave at 150 Hz

■A3: 12 dB / octave at 250 Hz

Setting the operation mode

Various operating modes can be selected by adjusting the operating

mode slide switch ②. Operating modes are:

■P48: passive mode, no phantom power

■P48: active mode, 48V phantom power available,

LED Display is off

■

P48 : active mode, 48V phantom power available,

LED Display is on

Setting a gain level

■Gain levels can be selected by adjusting the gain switch ③.

Gain levels are: 0 dB (passive mode), 6 dB and 12 dB.

Setting an high-pass filter

■A high-pass filter can be selected by adjusting the high-pass

filter slide switch ④. Settings are: off, 12 dB / octave at 150 Hz

and 12 dB / octave at 250 Hz. High-pass filters eliminate

low-frequency sounds and balance the proximity effect.

■1: passive mode, no gain

■2: active mode, +6 dB gain

■3: active mode, +12 dB gain

②

③

④

⑤

①

A1 A3

B3B1

MTP 840 DM Using the mic

Connecting and Disconnecting the Microphone Cable

Before establishing connection, make sure that the microphone and the component

(e.g. amplifier) are switched off.

Lower the volume of the component (e.g. amplifier) before connecting the microphone.

Insert the connector into the microphone socket. Align the key on the connector with

the groove in the microphone, and then push the connector into the microphone until

it clicks.

To disconnect the cable from the microphone, pull the connector away from the

microphone while depressing the latch lock.

■

How to Use

Set the switch to ON when using the microphone, set it to OFF when it is not in use (only

applicable if your microphone has an ON/OFF switch).

When using the microphone, do not cover any part of the grille with your hand to ensure

best sound quality and accurate directivity characteristic.

■

Using the mic / Tech data

MTP 840 DM

Hints

In order to prevent feedback (howling):

Lower the volume.

2 Place the microphone so that it is not pointed

to the speaker and that there is a sufficient

distance between the microphone and the

speaker.

3 Do not cover the lower part of the grille with

your hand.

Positioning the microphone close to the

sound source causes the so-called proximity

effect (a boost in the low frequency response). This phenomenon can be used to create a

richer and warmer bass sound.

■

MTP 840 DM

Dimensions

183

MTP 840 DM Tech graph

Tech graphTech graph

Passive mode

8kHz

16kHz

500Hz

250Hz

125Hz

Active mode

3 / dB unit

8kHz

16kHz

500Hz

250Hz

125Hz

3 / dB unit

dB ref. 1 V / Pa

MTP 840 DM Tech data

Tech data

Acoustical operating principle:

Directional pattern:

Frequency range:

Sensitivity:

Signal / noise ratio:

Equivalent noise level:

Dynamic range, passive mode:

Dynamic range, active mode:

Max. SPL for 0,5 % THD,

active mode:

■

Dynamic, moving coil

Super-cardioid

40 to 18.000 Hz

3,5 mV / Pa (-49 dBV), passive mode

7 mV / Pa (-43 dBV), active mode

14 mV / Pa (-37 dBV), active mode

75 dB-A

19 dB-A, Super-cardioid (IEC 61672-1)

135 dB-A

121 dB-A, 0 dB gain

115 dB-A, 6 dB gain

109 dB-A, 12 dB gain

140 dB, 0 dB gain

134 dB, 6 dB gain

128 dB, 12 dB gain

Gain settings, active mode:

Bass cut filter slope:

Rated impedance:

Rated load impedance:

Supply voltage:

Current consumption:

Connector:

Dimensions:

Net weight:

■

0 dB, 6 dB, 12 dB, switchable

12 dB / octave at 150 Hz

12 dB / octave at 250 Hz

< 600 ohms

> 1.000 ohms

48 V +/- 4 V (IEC 61938)

5,5 mA (IEC 61938)

Gold plated 3-pin XLR

51 dia. x 183 mm

2 dia. x 7,2 inch

336 g

11.85 oz

MTP 840 DM Accessories

Accessories

MTP 40 MCs DTP 40 Lb

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