Nady ALD-800 Wireless Assistive Listening System (DD: 72.7MHz)

BH #NAALD800DD • MFR #ALD 800/DD
Nady
Nady ALD-800 Wireless Assistive Listening System (DD: 72.7MHz)
Key Features
  • Base Station Transmitter
  • 4 Beltpack Receivers
  • Up to 300' Range
  • Mic and Line Inputs
The ALD-800 from Nady is a versatile VHF wireless assistive listening system that allows you to share an audio source with multiple listeners up to 300' away, ideal for museums, theaters, houses of worship, educational facilities, and more. The system includes a base station transmitter and 4 beltpack receivers. The system can support an unlimited number of receivers (sold separately), allowing you to add as many listeners as you like. The system is pre-tuned to 1 of 8 channels designated for listening assistance by the FCC. This provides clear transmission, and also allows you to set up multiple systems for different applications in the same vicinity.
Special Order
Expected availability: 7-10 business days
$249.99

Important Notice

  • This item is noncancelable and nonreturnable.
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Nady ALD-800 Overview

  • 1Description
  • 2System
  • 3Transmitter
  • 4Receiver

The ALD-800 from Nady is a versatile VHF wireless assistive listening system that allows you to share an audio source with multiple listeners up to 300' away, ideal for museums, theaters, houses of worship, educational facilities, and more. The system includes a base station transmitter and 4 beltpack receivers. The system can support an unlimited number of receivers (sold separately), allowing you to add as many listeners as you like. The system is pre-tuned to 1 of 8 channels designated for listening assistance by the FCC. This provides clear transmission, and also allows you to set up multiple systems for different applications in the same vicinity.

The transmitter has mic and line level 1/4" input connectors with a manual input gain control. It also offers an automatic level control function. It has an extendable and positionable antenna, and LED indicators to show when the unit is turned on and transmitting audio. The transmitter operates on DC power via the included wall adapter.

Each beltpack receiver is compact and lightweight, fitting easily into a pocket or clipping to clothing. The top panel offers a power/volume wheel with a power LED indicator. A standard 3.5mm headphone jack accommodates the included stereo earbuds, or most other consumer headphones. The receiver uses the headphone cable as the antenna to minimize bulk and weight. Each receiver operates on a single 9V battery.

Note:
Additional systems are available separately in 7 other pre-tuned frequencies from 72-76MHz.

System

VHF transmission provides a wireless range of up to 300'
Includes a base station transmitter and 4 beltpack receivers. The system can support an unlimited number of receivers (sold separately), allowing you to add as many listeners as you like
Pre-tuned to 1 of 8 channels in the 72-76MHz band designated for listening assistance by the FCC. This provides clear transmission, and also allows you to set up multiple systems for different applications in the same vicinity
Note:
Systems are available separately in 7 other pre-tuned channels

Transmitter

Compact base station design
Mic and line level 1/4" input connectors with a manual input gain control. An automatic level control function is also provided
Extendable and positionable antenna
LED indicators show when the unit is turned on and transmitting audio
Operates on DC power via the included wall adapter

Receiver

Compact and lightweight design fits easily into a pocket or clips to clothing
Top panel offers an easy-to-use power/volume wheel with a power LED indicator
The standard 3.5mm headphone jack accommodates the included stereo earbuds, or most other consumer headphones
The receiver uses the headphone cable as the antenna to minimize bulk and weight
Operates on a single 9V battery
UPC: 634343272970

Nady ALD-800 Specs

System
Frequency Response100Hz - 15kHz ±3dB
Signal to Noise Ratio60dB
Total Harmonic Distortion (THD)< 0.5%
Carrier FrequencyDD: 72.7MHz
Frequency Stability> 0.005%
ModulationFM, ±75kHz Max
Wireless RangeUp to 300' (91 m) Line-Of-Sight
Transmitter
Inputs1 x 1/4" Mic Input (9VDC @ 1mA for Condenser Mic)
1 x 1/4" Line Input
Input ImpedanceLine: 100 kOhms
Output Power80,000µV @ 3 m
Controls and Indicators1 x Power Switch
1 x Audio Input Gain Knob
1 x Power LED
1 x Audio Modulation LED
AntennaPermanently Mounted Telescoping Whip
Power Requirements9VDC, Regulated @ 200mA, Adapter Included
Dimensions (HxWxD)1.25 x 8.25 x 4.25" (32 x 209 x 108mm)
Weight18.2 oz (500g)
Receiver
Audio Output250mW Max into 16 Ohms
Connectors3.5mm Stereo Headphone Jack
Controls and Indicators1 x Power/Volume Wheel
AntennaUses Headphone Cable (Earbuds Included)
Sensitivity2µV for 12dB Sinad with Squelch Defeated, Squelches at 10µV for Minimum 50dB S/N Ratio
MuteMute Threshold: 8-10µV
Battery Type/Life1 x 9V Alkaline, Approx 17-20 Hours
Dimensions (HxWxD)3.35 x 2.75 x 0.75" (85 x 65 x 23mm)
Weight2.65 oz (73g) (Without Battery)
Packaging Info
Package Weight3.15 lb
Box Dimensions (LxWxH)11 x 9.5 x 5"
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