904
Bedienungsanleitung
Instructions for use
Notice d‘emploi
Istruzioni per l‘uso
Instrucciones para el uso
Gebruiksaanwijzing
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Delivery includes
y
y
y
y
y
904 microphone
Pouch
MZH 604 microphone clamp
Instructions for use
Warranty Certificate
Pin assignment of XLR-3 connector
+
+
+
+
1
2
2
1
2
1
3
3
3
XLR
XLR
XLR
+
1
2
3
+
+
6,3 mm
6,3 mm
XLR
+
1
2
3
XLR
balanced
symmetrisch
Removing the sound inlet basket
12
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Positioning the microphone
Drums
Position
Resulting sound
Commentary
More fundamental
tone,
Position on the drum:
3–5 cm above the
little overtones
batter head, the
fundamental tone to
overtones ratio can be
adjusted via the angle.
The most balanced
results are obtained at
an angle of 30–60°.
Less fundamental
tone,
many overtones
Use of a second 904
for picking up the
resonant head and
the snares. If necessary,
activate phase reversing
for one of the
microphones.
In order to prevent interference due to crosstalk between
adjacent sound sources, try to position the microphone so
that the interfering sound source is located in the angle
area of the highest cancellation of the microphone
(approx. 180°).
13
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Polar diagram
5
10
15
20
25
dB
2000 Hz
4000 Hz
8000 Hz
16000 Hz
125 Hz
250 Hz
500 Hz
1000 Hz
Frequency response curve
dBv
- 40
- 50
- 60
- 70
- 80
- 90
20
50
100 200
500 1000 2000 5000 10000 20000 Hz
0°, 1 m
14
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Accessories
The following accessories are available for the 904:
MZH 604 microphone clamp (Cat. No. 05299)
Specifications
Transducer principle
Frequency response
Pick-up pattern
dynamic
40 18,000 Hz
−
cardioid
2.0 mV/Pa (at 1 kHz)
350 Ω
1 kΩ
XLR-3
Sensitivity (free field, no load)
Nominal impedance (at 1 kHz)
Min. terminating impedance
Connector
Weight
125 g
Dimensions
diam.: 41 mm,
length: 63 mm
15
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Overview of microphone applications
Modell
Anwendung
Vocals
Choir
x
x
x
x
x
Studio, acoustic
instruments
x
x
Orchestra
x
Trumpets,Trombones
Saxophone
Acoustic guitar
Acoustic bass
Guitar amplifiers
Bass amplifiers
Leslie
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Piano, grand piano
Kick Drum
x
x
x
x
Snare Drum
Rack toms
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Floor toms
Congas
Cymbals
x
x
x
Percussion
x
x
x
x
Overhead
Conference table,
altar
x
Lectern
x
x
Theater stage
16
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Manufacturer declarations
Warranty
2 years
Approval
Sennheiser electronic GmbH & Co. KG declare that this device
is in compliance with the applicable CE standards and regula-
tions.
WEEE Declaration
Please dispose of this product at the end of its operational li-
fetime by bringing it to your local collection point or recycling
centre for such equipment.
17
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18
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Sennheiser electronic GmbH & Co. KG
30900 Wedemark, Germany
Phone +49 (5130) 600 0
Fax +49 (5130) 600 300
Printed in Germany
Publ. 03/07
094274/A04
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