Lewitt DTP 640 REX User manual

www.lewitt-audio.com
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CHA.DTP 640 REX

DTP 640 REX Introduction
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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.
With its DTP series, LEWITT introduces a complete family of cutting-edge, high-performance wired dynamic microphones designed
specifically for drums, percussion and bass instruments. These high-quality mics – spear-headed by our masterpiece, the dual-element
cardioid DTP 640 REX optimized for kick drum applications – stand out thanks to their sonic accuracy on stage as well as in studio settings.
Minimally affected by varying load impedance and designed to effectively reject off-axis sound, all models of the DTP series deliver
unparalleled, memorable sound that will turn heads in any audience. Uniform cardioids and super-cardioid patterns allow for high gain before
feedback and a hardened steel mesh grille effectively resists wear and abuse, making DTP microphones and Beat Kits the ultimate choice for
touring professionals.
From professional drummers to discerning beat aficionados, LEWITT’s DTP series lets music lovers and performers alike discover a fine-
tuned, punchy sound.
LEWITT wishes you a lot of fun and success with this product!

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DTP 640 REX The product
Thanks to variably controlled dual element technology and fine tuned
frequency responses, our flagship among drum microphones, the DTP
640 REX, offers unparalleled and powerful sound that will delight
professional drummers and sound engineers alike. The DTP 640 REX is
equipped with a high quality dynamic element and a condenser
element – the dynamic element ensures accurate reproduction of the
bass drum kick, while the condenser element optimally captures the
rich low frequency sound of the drum’s shell. In order to guarantee full
control over the two elements, they can be separately mixed on their
own channels.
Since 2012, the DTP 640 REX offers two more features. The dynamic
element emphasizes frequency ranges relevant for the kick drum in the
‘Dynamic Enhanced Frequency Response’ setting switchable right on
the microphone, while the condenser element captures the sound
neutrally. With ‘Dual Enhanced Frequency Response’, the character of
the sound can be shaped even more individually – with this setting, the
condenser element focuses on frequencies from 70 to 150 Hz and
delivers a full body sound. The dynamic element provides the
necessary power by focusing on the range between 3 and 5 kHz.
The combination of these features with the comprehensive tonal
freedom of dual-element technology greatly increases the range of use,
turning the DTP 640 REX into a universal tool for bass-heavy
applications.

DTP 640 REX Features / Top applications
Features
Innovative dual-element design (dynamic and back-electret condenser) accurately captures the sharp attack of the beater as well as the
round tonalities of the shell for unrivaled realism
3-position switchable "Enhanced Frequency Response" provides various tailored frequency responses on separate channels for maximum
creative freedom
Frequency response specifically tuned for kick drum applications and bass instruments
3-position switchable pre-attenuation pad (0 dB, 10 dB, and 20 dB) for handling extremely high sound pressure levels
Hardened hexagonal ruthenium-galvanized steel mesh grille to prevent wear and abuse
Integrated stand adapter for quick and easy mounting and positioning
Corrosion-resistant gold-plated 5-pin XLR output connector
Comes in a cardboard box with foam layers; includes DTP 40 Trs cable and DTP 40 Lb leather bag
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Top applications
Drums and Percussion // kick drum...
Low frequency instruments // double bass, electric bass, kick drum...
Live and studio applications
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DTP 640 REX Using the mic
Your mic
① DTP 40 Trs Y-cable: a 5-pin XLR into two 3-pin XLR
② 5-pin XLR jack
③ Electrostatic element
④ Dynamic element
⑤ Recessed slide switch for ‘Enhanced Frequency Response’
⑥ Recessed slide switch for pre-attenuation level
Dual Element Technology
condenser element – the dynamic element ensures accurate reproduction
of the bass drum kick, while the condenser element optimally captures the rich,
low frequency sound of the drum’s shell. In order to guaranty full control over
the increase in sound of the two elements, they can be separately mixed on
their own channels. The enclosed DTP 40 Trs cable connects the DTP 640
REX to two channels on your mixing board. The two channels can be mixed
according to the sound quality you want.
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Your DTP 640 REX is equipped with a high quality dynamic element and a
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Using the mic
DTP 640 REX
‘Enhanced Frequency Response’ – EFR
The recessed EFR slide switch allows you to select different frequency responses of the two elements.
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= // = ‘Flat Frequency Response’ – FFR
FFR is especially suited for recording bass-heavy instruments and for placing the DTP 640 REX outside the kick drum. With the FFR switch
setting, both elements offer a relatively neutral reproduction of sound.
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+ // = ‘Dynamic Enhanced Frequency Response’ – Dynamic EFR
emphasizes dynamic element frequency ranges relevant for the kick drum sound. The condenser element makes the sound
neutral again.
EFR Dynamic
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+ // + ‘Dual Enhanced Frequency Response’ – Dual EFR
is especially designed for recording kick drums. The condenser element focuses on frequencies from 70 to 150 Hz and delivers a
full body sound. The dynamic element delivers an punchy attack by focusing on the range between 3 and 5 kHz.
EFR Dual
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Pre-attenuation level settings
You can select three settings for the pre-attenuation level by activating the recessed sliding switch .
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DTP 640 REX Tech data
Tech graph Dimensions
FFR (Condenser)
FFR (Dynamic)
127
71
158
3 / dB unit
3 / dB unit
dB ref. 1 V / Pa
dB ref. 1 V / Pa

DTP 640 REX Tech data
Dual EFR (Dynamic)
Dual EFR (Condenser)
Dynamic EFR (Dynamic)
3dB unit /
3dB unit /
3 / dB unit
08
dB ref. 1 V / Pa
dB ref. 1 V / Pa
dB ref. 1 V / Pa

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DTP 640 REX Tech data
condenser and dynamic matched at
1 mV / Pa (-60 dBV)
28 dB-A (IEC 61672-1),
condenser, FFR
122 dB-A, condenser
150 dB, 0 dB pre-attenuation
160 dB,10 dB pre-attenuation
170 dB, 20 dB pre-attenuation
10 dB, 20 dB switchable
< 500 ohms, dynamic
< 200 ohms, condenser
48 V + / - 4 V (IEC 61938)
2 mA (IEC 61938)
gold plated 3-pin and 5-pin XLR
1,5 m (4,95’) dual shielded Y-cable,
5-pin XLR into two 3-pin XLRs
71 dia. x 158 mm
2,8 dia. x 6,2 inch
755 g
27,3 oz
Sensitivity, + // + Dual EFR:
Equivalent noise level:
Dynamic range of mic. amp.:
Max. SPL for 0,5 % THD:
Pre-attenuation pad:
Rated impedance:
Supply voltage:
Current consumption:
Connector:
Cable:
Dimensions:
Net weight:
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Transducer Ø (dynamic):
Transducer Ø (condenser):
Directional pattern:
Frequency range:
EFR, ‘Enhanced Frequency
Response’ settings:
Sensitivity, = // = FFR:
Sensitivity, + // = Dynamic EFR:
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Acoustical operating principle:
dynamic, moving coil
condenser, permanently polarized
31,7 mm
1,25 inch
22,4 mm
0,88 inch
cardioids, condenser and dynamic
20 … 16.000 Hz, dynamic,
depending on EFR setting
20 … 20.000 Hz, condenser,
depending on EFR setting
= // = FFR, ‘Flat Frequency Response’
+ // = Dynamic EFR, ‘Dynamic Enhanced
Frequency Response’
+ // + Dual EFR, ‘Dual Enhanced
Frequency Response’
0,4 mV / Pa (-69 dBV) dynamic
2 mV / Pa (-54 dBV) condenser
0,4 mV / Pa (-69 dBV) dynamic
2 mV / Pa (-54 dBV) condenser
Tech data

DTP 640 REX Accessories
Accessories
DTP 40 Lb
DTP 40 Trs
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DTP 640 REX Cautions
Cautions
To ensure high sensitivity and best sound reproduction of the microphone, avoid exposing it to moisture, dust or extreme temperatures.
Keep this product out of the reach of children.
Do not use force on the switch or cable of the microphone.
When disconnecting the microphone cable, grasp the connector and do not pull the cable.
Do not attempt to modify or fix it. Contact qualified service personnel in case any service is needed. Please do not disassemble or modify
the microphone for any reasons as this will void users warranty.
The casing of the microphone can be cleaned easily using a wet cloth, never use alcohol or another solvent for cleaning. If necessary the
foam wind stopper can be washed with soap water. Please wait till it is dry before using it again.
Also please refer to the owner’s manual of the component to be connected to the microphone.
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The capsule is a sensitive, high precision component. Make sure you do not drop it from high heights and avoid strong mechanical stress
and force.

Warranty
All products manufactured by LEWITT GmbH feature a limited two-year warranty. This two-year warranty is specific to the date of purchase as
shown on your purchase receipt.
LEWITT GmbH shall satisfy the warranty obligations by remedying any material or manufacturing faults free of charge at LEWITT’s discretion
either by repair or by exchanging individual parts or the entire appliance. Any defective parts removed from a product during the course of a
warranty claim shall become the property of LEWITT GmbH.
While under warranty period, defective products may be returned to the authorized LEWITT dealer together with original proof of purchase. To
avoid any damages in transit, please use the original packaging if available. Please do not send your product to LEWITT GmbH directly as it will
not be serviced. Freight charges have to be covered by the owner of the product.
For further information please visit www.lewitt-audio.com or check your warranty card.
DTP 640 REX Warranty
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DTP 640 REX Regulatory information
LEWITT GmbH declares under its sole responsibility that
complies with the European directive 2004/108/EC. The product has
been tested according to harmonized European standards:
DTP 640 REX
EN 55013:2001+A1:2003+A2:2006
EN 55020:2007
EN 61000-3-2:2006
EN 61000-3-3:1995+A1:2001+A2:2005
Product testing was carried out by TIMCO Engineering Inc., notified body
number 1177.
LEWITT GmbH hereby declares under its sole responsibility that DTP 640 REX
has been tested and conforms to the following FCC and ANSI standards:
FCC Part 15:2008 Section 15.109
ANSI C63.4:2003
Product testing was carried out by INTERTEK Testing Services Shenzhen Ltd.
WEEE note: Electronic waste has to be collected separately. Please bring
this device to a local recycling center at the end of its life time.
Manufacturers signature:
Date: 18th November 2010 DI Roman Perschon
Place: Vienna, AUSTRIA CEO – Lewitt GmbH
Declaration of conformity can be downloaded at www.lewitt-audio.com or
obtained from [e-mail].

Mooslackengasse 17
1190 Vienna
AUSTRIA
[e-mail]
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