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Audio2000'S® AWM6112

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AWM6112 - Rechargeable VHF Dual Channel Wireless Microphone System

 

 

The Audio2000'S® AWM6112 Plug-In-N-RechargeTM VHF dual channel wireless microphone system is a wireless microphone system with the recharge mechanism right on the top of the receiver (AWR6112) and on the microphone (AWX6112).   Intended to be a solution provider for various application environment, the AWM6112 system is developed to provide the following benefits to the users:

Friendliness: The Plug-In-N-RechargeTM feature, with the recharge mechanism built right on the microphone and the receiver, makes the wireless microphone systems ready to be used at any time. 

A rack-mount kit is included such that the AWM6112 is rack mountable.
 

     
Dependability: The AWM6112 system has been designed and manufactured to be dependable, problem free, versatile and easy to use.      
Portability: The color cardboard box is designed to be carried easily and is, hence, highly portable.      
Quality: The AWM6112 system has been engineered to have a wide audio frequency range, high S/N ratio, and outstanding performance. Two NiMH AA rechargeable batteries are used for each handheld microphone to avoid the traditional NiCd battery memory problems.      
Affordability: The AWM6112 system is intended to be readily accessible to everyone with exceptional performance at a preferred and affordable price.      

APPLICATIONS

Disc jockey (DJ); karaoke jockey (KJ); church; school; karaoke; home entertainment

 

AWR6112 RECEIVER

FEATURES

* VHF Band Frequency
* Recharge Mechanism Built-in on the Receiver
* Balanced and Unbalanced Audio Outputs
* Full Rack Case with Power and RF Indicators
* Fluorescence Display
* RF Input with Built-in RF Preamplifier to Improve S/N Ratio, Sensitivity and Dynamic Range
* Low Noise Mixer Circuitry for Reducing interference

* 120V-240V AC Power Supply

FRONT PANEL FUNCTIONS

1. Power On/Off Switch
2. Channel 1 Volume Level Control
3. Channel 1 Recharge LED Indicator

4. Fluorescence Display
5. Channel 2 Volume Level Control
6. Channel 2 Recharge LED Indicator

 REAR PANEL FUNCTIONS

1. Channel 2 Antenna
2. Unbalanced Mixed Audio Output (1/4” Jack)

3. Balanced Mixed Audio Output (XLRM Jack)

4. Channel 1 Antenna
5. AC Power Cord
6. 120V / 240V Voltage Selection Switch

 SPECIFICATIONS

Carrier Frequency Range

 VHF Band

Frequency Stability

 ± 0.005%

Receiving Sensitivity

 97 dBm

S/N Ratio

 70dB

T.H.D.

 < 1%

Audio Output

 ¼” and XLR (0 – 500mV @ 4.7Kohms)

Dimensions (W X H X D)

 12.8” X 2.1” X 7.9” (326 X 53 X 200 mm)

 

AWX6112 TRANSMITTER

FEATURES

* VHF Band Frequency
* Recharge Mechanism at the Base of the Handheld Microphone
* High Sensitivity Cardioid Microphone Capsule
* Noise Reduction Mechanism for Eliminating Handling Noise and Switch Shock Noise

* Low Battery LED Indicator

 SPECIFICATIONS

TRANSMITTER

Carrier Frequency Range

 VHF Band

Frequency Stability

 ± 0.005%

Modulation

 Frequency Modulation (FM)

Modulation Depth

 30KHz

Output Power

 30mW, Max

Harmonic Suppression

 40dB

Battery

 AA Batteries X 2  (1.5V X 2)

Current Consumption

 <85 mA

 

 SYSTEM 

Carrier Frequency Range

 VHF Band

Frequency Stability

 ± 0.005%

Audio Frequency Response

 80 – 15,000Hz

Image and Spurious Rejection

 45dB Minimum

S/N Ratio

 > 75dB

Max. SPL

 >100dB

T.H.D.

 < 1%

Service Area

 100 ft (30 M)

Operation Temperature

 14 °F - 122 °F (-10 °C – +50 °C)

 

 

SYSTEM OPERATION

  1. Fully extend the antennas and set them at an angle perpendicular to the floor to achieve the best RF reception.

  2. Connect the AWR6112 receiver AC input to an AC power source via an AC cord..

  3. Connect the AWR6112 receiver audio output to the microphone input of a mixer via a cable.  (Note: There are two outputs: one unbalanced mixed output and one balanced mixed output.)

  4. Place two rechargeable AA batteries into the battery housing of each of the AWX6112 microphones with the battery polarity oriented as indicated. If the batteries need to be recharged, insert the AWX6112 microphones (with the recharge contacts facing downwards) onto the recharge sockets on the AWR6112 receiver. (Note: Never recharge any battery that is not made to be rechargeable.)  The recharge LED indicators will turn red when the batteries are being recharged. After the batteries are fully charged, the recharge LED indicators will turn yellow.

  5. Turn on the power of the AWR6112 receiver. After the power of the AWR6112 is turned on, the fluorescence display will be turned on showing the volume control levels of channel 1 and channel 2.

  6. Turn on the On/Off switch on each of the AWX6112 microphones. The low battery LED indicator will blink once and then stay off while the Normal Power LED indicator will then be turned on. If the low battery LED indicator stays on, recharge the rechargeable AA batteries in the AWX6112.

  7. Once the AWX6112 microphones are turned on, the audio levels, channel numbers and the corresponding frequencies on the fluorescence display will be on to show the reception statuses.

  8. Adjust the volume control knobs to have an optimal sound quality.

 

OPERATION NOTES

  1. The brand new rechargeable AA batteries for the handheld microphones need to be charged before use.

  2. The AWX6112 handheld microphones need to be turned off before changing the batteries.

  3. Signal dropout or unexpected noise may be caused by a low battery or by an excessive distance between the microphone and the receiver.  If you encounter signal dropout or unexpected noise, please check the batteries first.  If batteries are still fresh, try to readjust the antennas on the AWR6112 receiver.

  4. Do not drop the microphone on the floor or strike the microphone with any object.

  5. Always turn off the microphones and remove the batteries if the microphones are not to be used for a period of time to prevent the microphone from being damaged by a leaking battery.

  6. Avoid placing the receiver in a corner to prevent any RF reception deterioration.

  7. Try to place the receiver as far away from any digital equipment, including computers and some CD players, as possible.

 

TROUBLESHOOTING

 

PROBLEM

POSSIBLE CAUSES

SOLUTIONS

No sound.

Receiver is off.

Turn on receiver.

Transmitter power switch is off.

Turn on transmitter power switch.

No battery or bad battery in transmitter.

Insert or replace battery.

Wrong polarity or faulty battery contact

Correct polarity or battery contact.

Receiver audio cable is missing or defective.

Connect, repair or replace cable.

Short range or signal dropouts.

Low transmitter battery level.

Replace transmitter batteries.

Poor antenna reception.

Reposition antenna or receiver.

Faulty transmitter antenna.

Return transmitter to factory or authorized service station for service.

Too many obstacles between the receiver and transmitter.

Move the obstacles or move the receiver away from nearby metal objects.

Signal Interference.

Another wireless microphone operating on the same frequency

Use a wireless microphone with different operating frequency.

Placement too close to a digital signal processor or similar device (CD player, stage lighting, etc.).

1.       Select another operating frequency

2.       Move receiver to another location

External electromagnetic field source

1.       Select another operating frequency.

2.       Remove source of interference

Distortion.

Low transmitter battery level

Replace transmitter batteries.

AF Level control on the transmitter set too high, overloading the receiver circuit.

Turn down the AF Level control on the transmitter.

Volume control on the receiver set too high, overloading the subsequent sound device input.

Turn down the volume control on the receiver.

Momentary loss of sound when transmitter is moved around the performing area.

Radio frequency (RF) blind spots.

Reposition the receiver.  If the momentary loss of sound problem cannot be removed, walk through the performing area and mark “Blind” spots.  Avoid these “Blind” spots during performance.

Low sound level.

Faulty cable connection.

Check cable connection between the receiver and the subsequent sound device.

Receiver volume control set too low.

Turn up receiver volume control.

Sound levels between two microphones are different.

The receiver volume control and/or  the microphone AF Level control need to be adjusted.

1.       Adjust the transmitter gain control as necessary.

2.       Adjust the receiver volume control as necessary.

 

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