AKG Acoustics WMS 80 User Manual
WMS 80
Wireless Microphone Systems
User Instructions
Contents
FCC Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. The WMS 80 Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.1. Handheld System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.2. Bodypack System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.3. Optional Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. SR 80 Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4.1. Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4.1.1. Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4.1.2. Rear Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4.2. Optional Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5. HT 80 Handheld Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5.1. Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5.2. Interchangeable Microphone Elements . . . . . . . . . . . . . . . . . . . . . . . . . 4
5.3. Optional Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Page
6. PT 80 Bodypack Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.1. Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.2. Microphones, Guitar Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6.3. Optional Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7. Frequencies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.1. Frequency Sets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.2. Ordering Replacement Transmitters and/or Receivers. . . . . . . . . . . . . . . . 5
8. Multichannel Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
9. Setting Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
9.1. Selecting Carrier Frequencies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
9.1.1. Multichannel Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
9.1.2. Changing Carrier Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . 5
9.2. HT 80 Handheld Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
9.2.1. Microphone Element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
9.2.2. Inserting, Testing, and Removing Batteries . . . . . . . . . . . . . . . . . . 6
9.3. PT 80 Bodypack Transmitter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
9.4. SR 80 Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
9.4.1. Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
9.4.2. Rack Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
9.4.3. Audio connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
9.4.4. Connecting to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
9.4.5. Antennas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
9.5. System Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
9.5.1. Multichannel Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
9.6. Important Hints for Reliable Operation . . . . . . . . . . . . . . . . . . . . . . . . . 7
10. Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
11. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
12. Frequency List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Please read this Manual carefully before operating the equipment.
1. Introduction
Thank you for selecting the WMS 80 wireless microphone system
from AKG. Please take the time to read through this Manual. It
contains information on how to make optimum use of your equipment. Have fun!
2. Precautions
2.1.Spill no liquids on the equipment and do not drop any objects
through the ventilation slots in the equipment.
2.2.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.
2.3.Be sure to dispose of used batteries as required by local
waste disposal rules. Never throw batteries into a fire (risk of
explosion).
3. The WMS 80 Systems
Two different WMS 80 Systems are available:
3.1. Handheld System
1 SR 80 Receiver
1 AC power adapter for 11.7 VAC
1 RMU 80 19” rack mounting kit for 2 SR 80 receivers
1 BP 80 blank panel
1 screwdriver
1 HT 80 Handheld Transmitter
2 AA size 1.5 V dry batteries
1 SA 43 stand adapter
1 adjustable protective ring for controls
3.2. Bodypack System
1 SR 80 Receiver
1 AC power adapter for 11.7 VAC
1 RMU 80 19” rack mounting kit for 2 SR 80 receivers
1 BP 80 blank panel
1 screwdriver
1 PT 80 Bodypack Transmitter
1 belt clip
2 AA size 1.5 V dry batteries
Check that the package contains all the parts listed above for your
system. If anything is missing, please contact your AKG dealer.
3.3. Optional Accessories
CH 60/80 plastic carrying case for one complete WMS 80
system.
Color Coding Kit: Set of rings (for the HT 80) and platelets
(for SR 80 and PT 80) in various colors for identifying the individual channels of a multichannel system.
4. SR 80 Receiver
The SR 80 is a stationary True Microcontrolled Diversity receiver
for use with WMS 80 transmitters. The SR 80 operates in a subband up to 4 MHz wide of the 710 MHz to 861 MHz UHF
carrier frequency range. The SR 80 can be switched to a maximum of 15 different carrier frequencies depending on local frequency allocations.
4.1. Controls
4.1.1. Front Panel
The lettering of the front panel controls is protected against scratching by a protective film. To remove the film, just peel it off.
1a POWER: Switches the power to the SR 80 ON and OFF.
1b VOLUME: The VOLUME pot matches the SR 80’s output level
to the input sensitivity of your mixer or amplifier.
1c SQUELCH: The squelch circuit switches the receiver off if the
received signal is too weak, in order to suppress the related
noise or the residual noise of the receiver while the transmitter
is off. Set the SQUELCH control to minimum before first switching the receiver on. (For details, refer to section 9.)
1d CHANNEL: This rotary switch selects the desired carrier fre-
quency or its alternative frequencies.
1e Telescoping antennas: The SR 80 is a diversity receiver and
uses two antennas in order to receive the transmitter signal at
two different spots. The diversity electronics will automatically
activate the antenna that delivers the better signal.
1f MUTE LED: Lights red if the squelch is active. In this case the
audio output will be muted. Note that the MUTE LED does
not indicate the position of the MUTE switch on the transmitter!
1g RF LOW/OK LEDs: Indicate the received field strength of the
transmitter signal.
FCC Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Parts 74, 15, and 90 of the
FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Shielded cables and I/O cords must be used for this equipment to comply with the relevant FCC regulations.
Changes or modifications not expressly approved in writing by AKG Acoustics may void the user’s authority to operate this equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interf e rence, and (2) this device must accept any interf e rence received, including interf e rence that may cause undesired operation.
1h AF/PEAK LEDs: Indicate the received audio level.
The green LED lighting and the red LED flashing occasionally
indicate optimum modulation.
If the LEDs do not light, the sensitivity setting on the transmitter
is too low.
The red LED lighting constantly indicates overmodulation.
1i Diversity LEDs A and B: Indicate which of the two receiving
antennas is active.
1j Color Code: If you use the receiver within a multichannel
system, you may remove the black plastic platelet and replace it with a colored platelet included in the optional Color
Coding Kit to identify each channel by a different color.
4.1.2. Rear Panel
1k Carrier Frequency Table: A label listing the available fre-
quencies is affixed to the bottom panel of the receiver.
1l Frequency Set Designation: The label on the bottom panel
also indicates the designation of the Frequency Set.
1m POWER: Input connector for the supplied AC adapter.
1n AUDIO OUT UNBALANCED: Unbalanced audio output on a
1/4” mono jack for connecting to, e.g., a guitar amplifier.
1o AUDIO OUT BALANCED: Balanced 3-pin XLR audio output
for connecting to, e.g., a microphone input on the mixing
console.
1p BALANCED LINE/MIC: Switches the balanced audio output
to line or microphone level. Therefore, you can connect the
SR 80 to microphone or line level inputs as desired.
1q Screwdriver for adjusting the CHANNEL and GAIN controls
on the transmitters.
4.2. Optional Accessories
Color Coding Kit
each wireless channel by a different color.
2e GAIN: This rotary pot allows you to match the microphone
level to the transmitter’s audio section.
2f Battery Compartment: Refer to Section 9. Setting Up.
2g CHANNEL: This rotary switch selects the desired carrier fre-
quency (depending on local allocations) or switches between
the carrier frequency and its alternative frequencies.
Important: Prior to selecting frequencies, switch the transmitter
OFF.
2h Carrier Frequency Table: A label listing the available fre-
quencies is affixed to the battery compartment.
2i Frequency Set Designation: The label inside the battery com -
partment also indicates the designation of the Frequency Set.
2j Adjustable protective ring: Protects the controls from being
misadjusted accidentally.
5.2. Interchangeable Microphone Elements
The interchangeable microphone elements (2k) D 880 WL1,
D 3700 WL1, D 3800 WL1, C 5900 WL1, and C 535 WL1
are acoustically and mechanically identical to the equivalent hardwire versions. They feature the same transducer capsules and
mechanical construction.
Extremely high gain before feedback, optimum handling noise
rejection, ultimate protection from damage, and an integrated
wind and pop screen are only the most impressive features of
these microphones. For more details, refer to the respective AKG
brochures.
5.3. Optional Accessories
W 880 foam windscreen for D 880 WL1
W 3001 foam windscreen for D 3700 WL1 and
C 5900 WL1
W 23 foam windscreen for C 535 WL1
Color Coding Kit
5. HT 80 Handheld Transmitter
The HT 80 handheld transmitter and matching microphone elements (optional) provide the same acoustic performance as the
equivalent hardwire microphone versions. The microphone elements available for the HT 80 have been specifically designed for
vocal use.
The HT 80 operates in a subband up to 4 MHz wide within the
710 MHz to 861 MHz UHF carrier frequency range. The HT 80
can be switched to a maximum of 15 different carrier frequencies
depending on local frequency allocations.
The transmitter uses a dipole antenna integrated in the body.
The controls can be protected against accidental misadjustment
collectively (2d) or individually with the supplied adjustable protective ring (2j).
5.1. HT 80 Controls
2a PWR: Switches the transmitter power ON (“I”) and OFF (“0”).
2b Status LED: Indicates battery status and audio input overload.
LED glowing dimly: batteries are OK.
LED constantly lighting brightly: batteries will be dead in
about 90 minutes.
LED illuminating brightly: audio input is overloaded.
2c MIC: Mutes the audio signal (position “0”) while power and
carrier frequency remain ON. Thus, no noise will become
audible if you mute the microphone, even if the SQUELCH
control (1c) on the receiver is set to minimum.
2d Color Code: If you use the transmitter in a multichannel system
you can remove the black plastic ring and replace it with a
colored ring from the optional Color Coding kit to identify
6. PT 80 Bodypack Transmitter
You can use the PT 80 bodypack transmitter with both dynamic
microphones and condenser microphones operating on a supply
voltage of approx. 7 V. You may also connect an electric guitar,
electric bass, or remote keyboard.
The PT 80 operates in a subband up to 4 MHz wide of the
710 MHz to 861 MHz UHF carrier frequency range. The HT 80
can be switched to a maximum of 15 different carrier frequencies
depending on local frequency allocations.
6.1. Controls
3a POWER: Switches the transmitter power ON (“I”) and OFF
(“0”).
3b MIC: Mutes the audio signal (position “0”) while power and
carrier frequency remain ON. Thus, no noise will become
audible if you mute the microphone even if the SQUELCH
control (1c) on the receiver is set to minimum.
3c Status LED: Indicates battery status and audio input overload.
LED glowing dimly: batteries are OK.
LED constantly lighting brightly: batteries will be dead in
about 90 minutes.
LED illuminating brightly: audio input is overloaded.
3d Audio Input: 3-pin mini XLR connector with both mic and line
level pins that automatically match the connector pinout of the
microphone or optional MKG/L guitar cable.
3e Color Code: If you use the transmitter within a multichannel
system, you may remove the black plastic platelet and re-
place it with a colored platelet included in the optional Color
Coding Kit to identify each channel by a different color.
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