AKG DISCREET ACOUSTICS MODULAR Bedienungsanleitung
Bitte vor Inbetriebnahme des Gerätes lesen!
Please read the manual before using the equipment!
Veuillez lire cette notice avant d’utiliser le système!
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Antes de utilizar el equipo, lea por favor el manual!
Por favor leia este manual antes de usar o equipamen
to!
Bedienungshinweise. . . . . . . S. 2
User Instructions . . . . . . . . . p. 17
Mode d’emploi . . . . . . . . . . . p. 31
Istruzioni d’uso . . . . . . . . . . . p. 46
Modo de empleo . . . . . . . . . p. 60
Instruções de uso . . . . . . . . p. 75
17
1 Precautions
1.1
1.2
2.1. Introduction
2.2. Capsule
Modules
2.3. W 30
Windscreen
Spill no liquids on the equipment and do not drop any
objects through the ventilation slots in the equipment.
Do not place the equipment near heat sources such as
radiators, heating ducts, or amplifiers, etc. and do not
expose it to direct sunlight, excessive dust, moisture,
rain, mechanical vibrations, or shock.
Thank you for purchasing a Discreet Acoustics
module. The Discreet Acoustics Modular Series com-
prises five Capsule Modules and ten Installation
Modules. All modules are interchangeable so you can put
together the ideal Discreet Acoustics Modular micro-
phone for every application at any location.
CK 31 (Order no. 2765Z0020): Screw-on cardioid
Capsule Module.
With W 30 foam windscreen.
CK 32 (Order no. 2765Z0021): Screw-on omni-
directional Capsule Module.
With W 30 foam windscreen.
CK 33 (Order no. 2765Z0022): Screw-on hyper-
cardioid Capsule Module.
With W 30 foam windscreen.
CK 47 (Order no. 2765Z0023): Screw-on hyper-
cardioid Capsule Module. Acoustically equivalent to
the proven AKG C 747.
With W 70 foam windscreen.
CK 80 (Order no. 2765Z0024): Screw-on hyper-
cardioid Capsule Module with speech-optimized fre-
quency response.
With W 80 foam windscreen.
The W 30 is a newly designed, two-layer windscreen. Two
different materials provide optimum rejection of wind
noise. The dark-gray outer layer swirls the impinging air
stream. The colored inside layer is more permeable to air
and acoustically neutral. It steadies the air stream before
2 Description
18
2 Description
2.4. Installation
Modules
it hits the diaphragm. This two-stage process cuts wind
noise extremely efficiently.
GN 15 (Order no. 2765Z0001): 15-cm (6-in.) goose-
neck with DPA external in-line XLR phantom power
adapter for permanent screw-on installation.
GN 15 E (Order no. 2765Z0002): 15-cm (6-in.) goose-
neck with integrated XLR phantom power adapter for
temporary installation and PS 3 F-Lock panel mount
socket.
GN 30 OC (Order no. 2765Z0005): 30-cm (12-in.)
gooseneck with unterminated leads for permanent
screw-on installation
GN 30 (Order no. 2765Z0003): 30-cm (12-in.) goose-
neck with DPA external in-line XLR phantom power
adapter for permanent screw-on installation.
GN 30 E (Order no. 2765Z0004): 30-cm (12-in.) goose-
neck with integrated XLR phantom power adapter for
temporary installation and PS 3 F-Lock panel mount
socket.
GN 50 (Order no. 2765Z0008): 50-cm (20-in.) goose-
neck with DPA external in-line XLR phantom power
adapter for permanent screw-on installation.
GN 50 E (Order no. 2765Z0004): 50-cm (20-in.) goo-
seneck with integrated XLR phantom power adapter
for temporary installation and PS 3 F-Lock panel
mount socket.
HM 1000 (Order no. 2765Z0010): Hanging module
with 10-m (33-ft.) antitwist cable and DPA in-line XLR
phantom power adapter.
LM 3 (Order no. 2765Z0015): Lavalier module
comprising:
- connection socket (with no LED ring) with 1.5-m.
(5-ft) cable with DPA in-ine XLR phantom power
adapter;
- clamp for fixing the capsule to clothing or stage
decorations;
- belt clip for the DPA phantom power adapter.
LM 3 L (Order no. 2765Z0016): Lavalier module com-
prising:
- connection socket (with no LED ring) with 1.5-m. (5-ft)
cable with 3-pin mini XLR connector for connecting
19
2.5. Optional
Accessories
the capsule to AKG bodypack transmitters PT 60,
PT 61, PT 80, or PT 81;
- clamp for fixing the capsule to clothing or stage
decorations.
B 18 battery power supply for all Installation Modules
except GN 30 OC and LM 3 L.
N 62 E, N 66 E AC power supplies for all Installation
Modules except GN 30 OC and LM 3 L.
PS3F-Lock panel mount socket for GN 15 E, GN 30 E,
and GN 50 E Installation Modules (see figs. 16 and 17).
H 500 shock mount for GN 15 E, GN 30 E, and GN 50 E
Installation Modules (see fig. 13).
H 600 + A608 shock mount for all Installation Modules
except HM 1000.
SA 40, SA 50 stand adapters for all Installation Modu-
les except HM 1000, LM 3 and LM 3 L (see figs. 19, 20,
and 21).
SA 80 clamp for GN 15 E, GN 30 E, and GN 50 E Installa-
tion Modules (see figs. 22 and 23).
ST 1, ST 5/3, ST 45, ST 46 table stands for all Instal-
lation Modules except HM 1000, LM 3, and LM 3 L (see
figs. 18, 19, 20, and 21).
2 Description
20
Note:
Note that both the maximum working distance and the
area covered by the microphone depend on the pickup
angle. The smaller the pickup angle (hypercardioid), the
longer the maximum distance between the talker and the
microphone and the smaller the area covered by the
microphone.
Whether an omnidirectional, cardioid, or hypercardioid
capsule will give the best results therefore depends on
the specific application situation (see Table 1).
Omnidirectional capsules are primarily suited for record-
ing and lavalier use.
Working Working
Distance with Distance with
Loudspeaker Gooseneck Hanging
Capsule Polar Pattern Position Module Module
CK 31 Cardioid Behind the 30 to 60 cm 1 to 3 m
microphone only (1 to 2 ft) (3.5 to 10 ft.)
Application: Sound systems
CK 32 Omni Not relevant 30 to 200 cm 1 to 7 m
(1 to 7 ft.) (3.5 to 23 ft.)
Application: Recording only
CK 33 Hypercardioid 90° to 135° off 30 to 90 cm 2 to 4 m
microphone axis (1 to 3 ft.) (7 to 14 ft.)
Application: Sound systems
CK 47 Hypercardioid 90° to 135° off 30 to 90 cm 2 to 4 m
microphone axis (1 to 3 ft.) (7 to 14 ft.)
Application: High quality sound reinforcement even in acoustically difficult
locations
CK 80 Hypercardioid 90° to 135° off 30 to 90 cm 2-4 m
microphone axis (1 to 3 ft.) (7 to 14 ft.)
Application: Speech reinforcement
3 Microphone Applications
Table 1: Microphone applications
21
4.1. Capsule
Modules
Important:
4.2. GN 15 E,
GN 30 E, GN 50 E
Installation
Modules
4.3. GN 15, GN 30,
GN 50, GN 30 OC
Installation
Modules
4.3.1. Tabletop
Installation
All Discreet Acoustics Modular Capsule Modules are con-
denser microphones and therefore require a power supply
(phantom power). The Installation Modules have been
designed for connection to microphone inputs with 9 to
52 V phantom power. To connect Installation Modules to
inputs without phantom power, refer to Section 4.6.
1. Screw the Capsule Module onto the Installation
Module.
The screw thread is relatively fine and therefore very
smooth-running. Make sure not to tilt the capsule
when placing it on the Installation Module thread
because this would damage the thread.
2. To lock the capsule, use commercial minimum-tack
screw locking adhesive that allows you to unscrew
the capsule later if need be.
Before replacing a Capsule Module, be sure to
switch your sound system OFF in order to prevent
unwanted noise.
1. Use the supplied PS 3 F-Lock panel mount socket to
install the Installation Module in a tabletop or an
optional SA 40 or SA 50 stand adapter to mount the
Installation Module on a floor or table stand.
Note: For even better vibrational noise rejection, you can
fix the Installation Module to the tabletop with an
optional H 500 (see fig. 13) or H 600 + A 608 shock
mount (see figs. 14 and 15).
2. Use a shielded cable to connect the Installation
Module to a microphone input with phantom power.
3. If the phantom power on your mixing console is swit-
chable, switch the phantom power on. (Refer to the
instruction manual for your mixing console.)
The Capsule Module and the LED ring (see Section 7)
will be powered from the phantom supply.
1. Drill an 11-mm (7/16”) hole through the tabletop.
2. Thread the connecting cable of the Installation
Module through the opening and the supplied fixing
screw.
3. Screw the fixing screw into the Installation Module
from below to fix the Installation Module in place.
4 Installation and Connections
4 Installation and Connections
22
4.3.2. GN 15, GN
30, GN 50 Audio
Connection
Connecting to
bodypack
transmitters:
Fig. 1: Connector pin-
out for connecting to
bodypacks
4.3.3. GN 30 OC
Audio Connection
Note: For even better vibrational noise rejection, you can
fix the Installation Module to the tabletop with an optional
H 600 + A 608 shock mount (see figs. 14 and 15).
1. Plug the cable of the DPA phantom power adapter
into the female mini XLR connector on the connecting
cable of the Installation Module.
2. Use a shielded cable to connect the DPA phantom
power adapter to a microphone input with phantom
power.
3. If the phantom power on your mixing console is swit-
chable, switch the phantom power on. (Refer to the
instruction manual for your mixing console.)
The Capsule Module and the LED ring (see Section
4.7) will be powered from the phantom supply.
You may also connect the GN 15, GN 30, and GN 50
installation modules to a PT 60, PT 61, PT 80, or PT 81
bodypack transmitter from AKG.
All you need to do is change the wiring of the mini XLR
connector as shown in fig. 1 below:
Pin 1: shield
Pin 2: red wire (in phase)
Pin 3: bridge to pin 2
Blue wire: unused
Black wire: unused
This Installation Module has been designed for 1.5 V to
10 V a-b powering. The unterminated cable provides the
following connections:
•
1
••
2 3
Shield
Wire bridge
Red (in phase)
4 Installation and Connections
23
4.4. HM 1000
Hanging Module
Important:
Fig. 2: Aligning the
microphone.
Red: microphone (hot), supply voltage +
Shield: Microphone (ground), supply voltage -
Blue: LED +
Black: LED -
Connect the microphone wires to a microphone input
with a-b powering. Connect the LED ring referring to
Section 4.7.
1. Prior to installing the microphone, straighten the
cable by carefully pulling it through your fingers. Make
sure not to buckle or twist the cable.
2. Fasten a hook to the ceiling, use an existing hook, or
stretch a line across the hall.
3. Pass the cable through the hook or over the line so
that it will hang at the desired height.
4. Fix the cable in place with electrician's tape. This will
prevent the cable from twisting.
Do not tie a knot into the cable to hang it on the
hook. This may cause the cable to twist and misalign the
microphone after a while.
5. Hold the cable with one hand and turn the micro-
phone carefully into the desired position as shown in
fig. 2.
Note: If you installed the microphone as described
above, the special cable will not twist and will stay
aligned even if the temperature changes.
4 Installation and Connections
24
Steadying the
microphone:
Applications:
Fig. 3: Theater stage
miking
Fig. 4: Miking up a
choir
Audio Connection:
4.5. LM 3, LM 3L
Lavalier Modules
To keep the microphone steady even in a draft,
1. Stretch a suitable length of fishing line horizontally
across the room, passing the fishing line through the
eye on the HM 1000.
2. Fix the fishing line to two opposite walls so as to
create just enough downward pull to steady the
microphone laterally.
Refer to Section 4.3. GN 15, GN 30, GN 50 Audio
Connection.
1. Screw the capsule module onto the connection
socket of the lavalier module (see fig. 5a).
2. To relieve the microphone of the strain of the cable,
insert the cable into one of the grooves in the upper
part of the clamp (see fig. 5b).
4 Installation and Connections
25
4.5.1. LM 3 Audio
Connection
3. Snap the connection socket of the lavalier module
into the holding claws on the clamp.
The holding claws let you fix the connection socket in
a 12, 3, 6, or 9 o’clock position.
4. Clamp the microphone on the user’s clothing (see
fig. 5b) as close as possible to the user’s mouth.
Remember that gain-before-feedback will be the
higher the smaller the distance between the micro-
phone and the mouth!
5. Make sure to aim the microphone at the user’s mouth.
Note: You may also clamp the microphone to
suitable decorations (e.g., a backdrop).
1. Insert the DPA phantom power adapter into the belt
clip and fix the phantom adapter on the belt.
2. Use a shielded cable to connect the DPA phantom
power adapter to a microphone input with phantom
power.
3. If the phantom power on your mixing console is
switchable, switch the phantom power on. (Refer to
the instruction manual for your mixing console.)
Lapel
Selvedge
Tie
Shirt
pocket
T shirt
Fig. 5a: LM 3/LM 3L
connection socket
and clamp
Fig. 5b: Fixing the LM 3/LM 3 L
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