LD SWEETSIXTEEN WS 1616

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Overview

System Components
WS 1616 Receiver
Handheld Transmitter (WS 1616MD)
Bodypack Transmitter (WS 1616BP)
System Setup Notes

The LD Systems WS 1616 SWEETSIXTEEN is a 16-channel UHF PLL Diversity Wireless System operating in the 863-865 MHz frequency range. This system is designed for reliable wireless audio transmission and reception, suitable for various professional applications.

System Components

The complete system includes a WS 1616 SWEETSIXTEEN receiver, a power adapter, two antennas, and a 1.5m audio connecting cable. Depending on the configuration, it may also include a WS 1616MD handheld transmitter, a WS 1616BP bodypack transmitter, or a WS 1000BP bodypack transmitter with a WS 1000ML lavalier microphone or WS 1000H1 headset microphone. For instrument use, the LDWS1000MW instrument microphone is available.

WS 1616 Receiver

Function Description: The receiver is the central unit for managing wireless audio signals. It features a diversity system, which helps minimize dropouts and interference by selecting the stronger signal from two antennas. The front panel includes a power on/off switch, an IR window for synchronizing transmitter frequencies, and a synchronizing signal transmit button. A clear display shows the channel number and working status. Audio output level control buttons allow for precise adjustment of the output signal. The receiver also provides visual indicators for RF signal strength (Channel A and B antenna LED lamps) and audio signal strength (Audio LED).

Important Technical Specifications:

Frequency Range: 863-865 MHz (UHF)
Audio Frequency Response: 80Hz-16KHz (+/-3dB)
Total Harmonic Distortion: <1% (+/-30KHz deviation, 1KHz tone)
Dynamic Range: >90dB A-weighted
Operating Temperature Range: -10 °C to +50 °C
Audio Output Level (XLR): -12dBV (into 600Ω load)
Audio Output Level (1/4-inch): -18dBV (into 3000Ω load)
Output Impedance (XLR): 200Ω
Output Impedance (1/4-inch): 1KΩ
XLR Output: Impedance balanced (Pin1: Ground, Pin2: Audio, Pin3: No Audio)
Sensitivity: -93dBm for 30dB SINAD (typical)
Image Rejection: >55dB
Dimensions: 44mm (H) x 212mm (W) x 160mm (D)
Weight: 860g
Power Requirements: 12-18V DC at 300mA (supplied by external power supply)

Usage Features:

Channel Selection: Users can press the "up" or "down" buttons to choose the appropriate frequency group and channel. For optimal performance with multiple systems, it's recommended to set the maximum channel interval.
Receiver Volume Control: Adjust the output level by turning the knob left (decrease) or right (increase).
Quiet and Audio Level Adjustment: The quiet volume control is set by default. If interference signals are present, turn it clockwise until the RF indicator light turns off.
Automatic Transmitter Setup: This feature simplifies synchronization. Turn off the receiver, open the battery canister of the transmitter, align the IR ports of the receiver and transmitter, press the "ASC" button on the receiver, and then turn on the receiver. The receiver will transmit sync frequencies for 25 seconds. Repeat the process for the bodypack transmitter, pressing the "ASC" button on both the receiver and the bodypack. The handheld transmitter will light up, and the bodypack transmitter's display will flash during synchronization.
Antenna Connections: Two BNC antenna jacks (A and B) are provided for the diversity system.
Fine Adjustment of Mute Threshold Level: This knob allows adjustment of the mute threshold. If the audio is distorted or has a low signal-to-noise ratio, this can be improved by adjusting the mute threshold.
XLR Output Socket: Provides a balanced audio output.
AC Power Adapter Socket: For connecting the external power supply.

Handheld Transmitter (WS 1616MD)

Function Description: The handheld transmitter is designed for vocal performances and presentations. It includes a microphone head, an input sensitivity adjustment, an RF power switch, an IR port for synchronization, a battery rack, a Power/ASC/Battery low indicator light, and an on-off/mute switch.

Usage Features:

Microphone Head: Captures audio input.
Input Sensitivity Adjustment: Turn left to decrease sensitivity, right to increase.
RF Power Switch: Selects high (H) or low (L) RF power output.
IR Port: Receives infrared beams from the receiver for frequency synchronization.
Power/ASC/Battery Low Indicator Light: Green indicates power on, green flash indicates IR transmission in progress, and red flash indicates low battery.
On-Off/Mute Switch: Controls power and muting.

Maintenance Features:

Changing Batteries: The expected life for two alkaline AA batteries is about 8 hours. When the battery indicator on the screen glows, the batteries should be changed immediately.

Bodypack Transmitter (WS 1616BP)

Function Description: The bodypack transmitter is designed for use with lavalier or headset microphones, or for instrument connection. It features an antenna, a gain and mute switch, a Power/Low Voltage/IR Transmission LED lamp, a 3-pin microphone input socket, a power control button, a synchronizing signal receive button, and an IR window.

Important Technical Specifications:

Max Audio Input Level: 0dBV to +10dBV
Gain Adjustment Range: 20dB
Input Impedance: 5KΩ
Dimensions: 85mm (H) x 65mm (W) x 24mm (D)
Weight: 80g (without batteries)
Power Requirements: Two AA size alkaline or rechargeable batteries
Battery Life: >10 hours

Usage Features:

Antenna: Transmits the wireless signal.
Gain and Mute Switch: Two gain settings (Mic, 0 for guitar with passive pickup) and a -10dB mute setting are available. Select the setting most suitable for your instrument.
Power/Low Voltage/IR Transmission LED Lamp: Green indicates ready, red indicates low battery voltage, and flashing red indicates IR transmission in progress.
3-pin Microphone Input Socket: For connecting microphones or instruments.
Power Control Button: Tap for two seconds to turn on, hold to turn off.
Synchronizing Signal Receive Button: Press this button to establish an infrared connection with the receiver.
IR Window: Receives infrared signals for frequency synchronization.
Wearing the Bodypack Transmitter: Buckle the transmitter clip to a belt or run a guitar strap through the clip. For best effect, the transmitter should be pushed down.

Maintenance Features:

Battery Replacement: The expected life for two alkaline AA batteries is about six hours. When the battery indicator lights up, the batteries should be changed immediately.

System Setup Notes

Receiver-Transmitter Distance: During IR connection setup, the distance between the receiver and transmitter should be less than 0.5m.
Multi-System Use: When using multiple systems, only one transmitter's IR port should be turned on at the receiver for each IR connection to avoid interference.