DPA Microphone Type 4007, Type 4004 User's Manual

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Reference Microphones
Type
4004
Type 4007
CONTENTS
Technical Description 2 Full Specifications 7 Care of Microphone 10 Service and Repair 11 Warranty 11 CE Marking 11
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TECHNICAL DESCRIPTION
Ground
Signal
4
3
2
1
130 V DC
Preamplifier Supply
Ground Signal +
Signal -
3
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The cartridge
Omnidirectional (pressure) microphones DPA 4004 and 4007 use a 12 mm (0.47 in) diameter prepolarised condenser cartridge. The diaphragm is a nickel foil which has been coated with an ultra-thin polymer layer for optimum corrosion resistance. The microphone housing is of German silver, an alloy with a high content of nickel to match the stable thermal qualities of the diaphragm. The self noise of the cartridge is typical 24 dB(A) re 20 μPa and the nominal sensi­tivity of 4004 and 4007 are 10 mV/Pa and 2.5 mV/Pa respectively. Due to the size of the cartridge it can handle extremely high SPLs, has an extended linear frequency response up to 40 kHz and a high degree of omnidirectionality, even for higher frequencies. For opti­mum stability the microphone cartridge has undergone a special pre-aging process which releases all tensions in the materials and stabilizes the polarisation voltage.
Fig. 1. External view of the output connector of the DPA 4004.
The preamplifiers
Types 4004 and 4007 are acoustically identical, but differ in their preamplifier powering system. The 4004 is powered with 130 V via the HMA5000 High-Voltage Microphone Amplifier and has a modi­fied 4-pin XLR-connector (see Fig. 1 for pin designation). This special powering system enables the microphone preamplifier to handle approximately 10 dB higher SPL than similar microphone types po­wered through conventional P48 systems (4004: 168 dB SPL peak and 4007: 155 dB SPL peak).
Furthermore, the 4004 together with the HMA5000 is a totally tranformerless system and therefore has an extended low-frequen­cy handling capability (10 Hz to 40 kHz ± 2 dB). The 4007 is po­wered via a standard P48 system and is equipped with a high quali­ty audio transformer and a standard 3-pin XLR-connector (see Fig. 2 for pin designation). Types 4004 and 4007 use state of the art low-noise preamplifier technology and are driven with unity gain.
All microphones come with an individual calibration chart with the specifications of self noise, sensitivity and the frequency response.
Fig. 2. External view of the output connector of the DPA 4007.
Important: The microphone will only operate within it's specifications if powered correctly.
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The Passive Connection Converter
5 dB
20 kHz
15 kHz
10 kHz
5 kHz
1 kHz
0° dB
10 20 Hz 50 100 200 Hz 500 1 kHz 2 5 10 20 40
5 dB
On-axis
Diffuse
10 dB
5
0
-5
-10
-15
40
30
20
200 Hz
2 kHz
20 kHz
10
0
-10
dB
A-weighted
ITU-R BS.468-4
The PCC4000 Passive Connection Converter is an optional accesso­ry that makes it possible to run High-Voltage Microphones on stan­dard 48 V phantom power with reduced microphone specifications. The maximum reduction of the microphone SPL handling capability will be 13 dB and it is possible to drive up to 100 m (328.1 ft) of cable with the PCC4000 with the same specifications. Like the High­Voltage Microphones the PCC4000 is transformerless. The input connector is a modified 4-pin female XLR for connection directly to the microphone. The output is a standard 3-pin male XLR-connector for connection to standard cables.
Fig. 4. Directional characteristics of DPA 4004 and 4007 (normalised)
Fig. 3. On-axis and diffuse-field responses of DPA 4004 and 4007.
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Fig. 5. Typical third-octave inherent-noise spectrum of DPA 4004 and 4007.
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FULL SPECIFICATIONS:
90º
-90º
Phase
90º
10 kHZ
100 kHz
0 102030405060708090100
Phase
Cartridge type:
12 mm (0.47 in) pre-polarised condenser
Principle of operation:
Pressure
Power supply:
4004: HMA5000 for 130 V or PCC4000 for P48 4007: 48 V Phantom power
Frequency range, ±2 dB:
4004: On-axis: 10 Hz - 40 kHz 4007: On-axis: 20 Hz - 40 kHz
Phase compatibility:
Max deviation between any two microphones: ±5° (50 Hz to 20 kHz)
Fig. 6. On-axis phase response of DPA 4004 and 4007 plotted using a linear frequency axis for evaluation of the phase response.
Directional characteristics:
Omnidirectional
Sensitivity nominal, ±2 dB:
4004:10 mV/Pa; -40 dB re 1V/Pa 4007: 2.5 mV/Pa; -52 dB re 1V/Pa
Equivalent noise level A-weighted:
Typ. 24 dB(A) re 20 μPa (max. 26 dB(A))
Equivalent noise level ITU-R BS. 468-4
Typ. 36 dB (max. 38 dB)
S/N ratio, re. 1 kHz at 1 Pa (94 dB SPL)
70 dB
Max SPL, peak before clipping:
4004: 168 dB 4007: 155 dB
Total Harmonic Distortion:
<0.5% THD up to142 dB SPL peak, <1% THD up to148 dB SPL peak
Dynamic Range:
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Typ. 124 dB
PREAMPLIFIER:
Frequency range:
4004: 20 Hz to 50 kHz ±0.2 dB 5 Hz to 150 kHz -3 dB 4007: 20 Hz to 40 kHz ±1 dB
Output impedance:
<75 Ohm
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Cable drive capability:
4004: HMA 5000: Up to 300 m (984.3 ft) 4004: With PCC4000: Up to 100 m (328.1 ft) 4007: Up to 300 m (984.3 ft)
Polarity:
4004: Positive going sound pressure produces positive going voltage at pin 4. Pin 1: Ground, Pin 2: Not used, Pin 3: 130 V DC preamplifier supply, Pin 4: Signal. (See Fig. 1). 4007: Positive going sound pressure produces positive going voltage at pin 2. Pin 1: Ground, Pin 2: Signal +, Pin 3: Signal return. (See Fig. 2)
Difference frequency distortion:
(DF2, DF3, Df = 80 Hz) <1% at 153 dB SPL peak
Temperature coefficient:
-0.025 dB/° C at 25° C, 1013 hPa, 250 Hz Static pressure coefficient:
-0.002 dB/hPa at 25° C, 1013 hPa, 250 Hz
Influence of vibration:
69 dB equivalent SPL for 1 m/s2in direction of greatest sensitivity
Influence of magnetic field:
45 dB equivalent SPL for 80 A/m, 50 Hz in direction of greatest sensitivity
Operating temperature range:
-10 to +70° C (+14 to 158° F)
Connector:
4004: 4-pin modified XLR-M (High Voltage) 4007: 3-pin XLR-M (Standard P48)
DIMENSIONS:
Microphone length: 165 mm (6.5 in) Microphone diameter: 19 mm (0.75 in) Capsule diameter: 12 mm (0.47 in) Weight: 150 g (5.29 oz)
FOR USE WITH MICROPHONE AMPLIFIER
HMA5000 High Voltage Microphone Amplifier, 2 ch.
ACCESSORIES INCLUDED
Microphone Holders & Suspension Mounts
UA0639 Microphone Clip
Windscreens
UA0658 Windscreen for 4004/07
ACCESSORIES AVAILABLE
Shock Mounts
WSM4000 Shock Mount WINDPAC UA0897 Shock Mount
Shock Mount Rubbers
DDS0731 Rubber Mount 19 mm (0.75 in), Medium Soft
Microphone Holders & Suspension Mounts
UA0961 Microphone Holder
Stereo Accessories
UA0836 Stereo Boom with Holders UA0837 Stereo Boom excluding Holders
Floor & Table Stands
MB4000 Magnet Base TB4000 Table Base
Connection Adapters
HTP4000 Converter: 130 V to P48 PCC4000 Passive Connection Converter: P48 to 130 V
Cables
DAO0130 Microphone Cable for 4003/04/12/16, 5 m (16.4 ft) DAO0131 30 V Microphone Cable 4003/04/12/16, 10 m (32.81 ft)
Windscreens
DUA0090 Pop-filter WINDPAC-M Microphone Windshield System, Medium
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CARE OF MICROPHONE
It is important to bear in mind the following points with regard to mounting, microphone care and the use of accessories:
The microphone cartridge is tightly secured to the main body hou­sing, and no attempt should be made to remove it. If a replacement cartridge is required, contact your local DPA Microphones represen­tative.
Use of windscreen is recommended when microphones are used in dirty or dusty environments.
When not in use, the microphone should be disconnected and kept in the case supplied.
SERVICE & REPAIR
Products from DPA Microphones are extremely stable and there should not be any significant change in the specifications with time and use. If, however, you are not totally satisfied with the charac­teristics exhibited by these products, contact your nearest DPA Microphones representative for further details of service and the repair facilities that are available. DPA Microphones has a maxi­mum seven working days in-house service policy, usually ensuring that no more than seven working days will elapse from the day we receive the item for service to the day we are ready to return it to you. Please contact DPA Microphones for your nearest representative on
TEL: + 45 48 14 28 28 FAX: + 45 48 14 27 00
You can also get in touch with DPA Microphones at:
info@dpamicrophones.com
or visit our website at:
www.dpamicrophones.com
ENVIRONMENTAL POLICY
This product is comprised by the Waste (WEEE) directive and should not be thrown in the garbage bin when obsolete. Instead, return it to your local DPA representative (or DPA Microphones A/S directly) who will dispose of the product in accordance with the cur­rent environmental standards.
WARRANTY
All products from DPA Microphones are covered by a two-year limited warranty on both mechanical functionality and documented specifi­cations as long as the items are not mistreated, abused or modi­fied in any way. In case of a warranty claim, your invoice is your war­ranty registration.
CE-MARKING
The CE-mark guarantees that the product conforms with relevant Directives approved by the European Commission. EMC Directive: 89/336/EC, amended by 92/31/EC and 93/68/EC Low voltage Directive: 73/23/EC, amended by 93/68/EC
© 2005, DPA Microphones A/S - Product features and specifica­tions are subject to change without notice.
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