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ACCESSORIES > Volume Attenuator

VAT Series

Product Number: VAT


The VAT is a volume attenuator equipped with a 10-step attenuation plus OFF selector, it offers precise level control and excellent frequency response to the speaker lines, making it fit in the environment whether in a noisy warehouse or a quiet office. 

The VAT supports both standard two-wire and three-wire connection. The three-wire installation is capable to increase/decrease the volume of background music remotely during BGM broadcasting, and the volume will not be attenuated during EVAC message broadcasting. In addition, by installing the VA-EOL at the end of speaker lines and SL-SENSOR2/SL-SENSOR4 on the zone board of BTQ-VM/SG/SL unit, the system can quickly indicate which speaker line is open/short circuit in every branch. The VAT is applicable for 100 volt/70.7 volt application system.


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Description

The VAT is a volume attenuator equipped with a 10-step attenuation plus OFF selector, it offers precise level control and excellent frequency response to the speaker lines, making it fit in the environment whether in a noisy warehouse or a quiet office. 

 

 

The VAT supports both standard two-wire and three-wire connection. The three-wire installation is capable to increase/decrease the volume of background music remotely during BGM broadcasting, and the volume will not be attenuated during EVAC message broadcasting. In addition, by installing the VA-EOL at the end of speaker lines and SL-SENSOR2/SL-SENSOR4 on the zone board of BTQ-VM/SG/SL unit, the system can quickly indicate which speaker line is open/short circuit in every branch. The VAT is applicable for 100 volt/70.7 volt application system.

 

►Available for 35W, 120W and 200W version.  
►Model: VAT35E, VAT120E, VAT200E, VAT35U, VAT120U, VAT200U

Specifications

Electrical

  • Input capacity: 100 volt/70.7 volt line
    • VAT-35E/U: 35W
    • VAT-120E/U: 120W
    • VAT-200E/U: 200W
  • Transformer output steps @ 100 volt line: 100/70.7/50/35.3/25/17.7/12.5/8.8/6.2/4.4/OFF
  • Transformer output steps @ 70.7 volt line: 70.7/50/35.3/25/17.7/12.5/8.8/6.2/4.4/3.1/OFF
  • Attenuation per step: 3 dB
  • Total attenuation: 27 dB
  • Attenuation positions: 10 plus OFF
  • Insertion loss
    • VAT-35E/U: <1 dB
    • VAT-120E/U: <1 dB
    • VAT-200E/U: <1 dB
  • Frequency response @ <-3 dB
    • VAT-35E/U: 100 Hz ~ 20 kHz
    • VAT-120E/U: 100 Hz ~ 20 kHz
    • VAT-200E/U: 100 Hz ~ 20 kHz

Mechanical

  • Dimensions (W x H x D)
    • EU type: 87 x 86 x 68 mm 
    • US type: 115 x 70 x 51 mm 
  • Weight: 0.26 kg

Environmental

  • Operating temperature: -5 ºC ~ +55 ºC (+23 ºF ~ +131 ºF)
  • Storage temperature: -40 ºC ~ +70 ºC (-40 ºF ~ +158 ºF)
  • Relative humidity: 20 % to 95 %

Applications

Contact Us

ATEÏS Middle East – Dubai (HQ)

 

LIU-1 No.10 & 11 Dubai Silicon Oasis P.O. Box 293640 Dubai U.A.E
T: +971 (4) 3262730 F: +971 (4) 3262731
E: info@ateis.ae  –  Linkedin  –  Twitter – Youtube

 

ATEÏS Middle East – India

 

4th Floor, 411, V Times Square,  Sector 15, CBD Belapur,
Navi Mumbai – 400 614.
Tel:- +91 22 4968 7447