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QUEST QTA1240D Digital Power Amplifiers

เครื่องขยายเสียงแบบดิจิตอลมีกำลังขยาย 1 x 240 วัตต์/100 V High efficiency class-D digital power amplifier 100V transformerless speaker output

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Product Description

QUEST QTA1240D Digital Power Amplifiers 1 x 240 วัตต์/100 V

เครื่องขยายเสียงแบบดิจิตอลมีกำลังขยาย 1 x 240 วัตต์/100 V High efficiency class-D digital power amplifier 100V transformerless speaker output

The QTA-D range of digital amplifiers have been designed with practicality and versatility in mind. Four models are available in the range, a single channel 240W (QTA1240D), a single channel 500W (QTA1500D), a two channel 240W (QTA2240D) and a 4 channel 240W (QTA4240D).

The entire QTA-D range has been developed with green power saving technology whilst delivering long life and low cost operation. The APFC (Active power factor correction) switch-mode power technology means that the QTA-D series operates at 85% efficiency compared to standard commercial amplifiers.

This is achieved while maintaining relatively low heat generation, even under severe working conditions. The QTA-D series all feature phoenix connector line inputs.

The QTA-D series also features 100v transformerless line speaker outputs. Volume control for each channel can be accessed directly from the front panel.

Status indicators include signal, peak and protection as well as an automatic mains power supporting AC 190V to 240V.

Emergency DC 24V backup power can also handle variations in power from 20V to 25.6V which makes battery backup power very reliable. Additional reliability features are a high-quality cooling fan, as well as built-in temperature, overload, and short circuit protection.

Features:

  • High efficiency class-D series digital power amplifier
  • Active power factor correction (APFC) switching power technology
  • Low power consumption and low heat generation
  • Phoenix connector line input\s
  • 100V transformerless speaker output\s
  • Front panel volume controls
  • Built-in band-pass filter (80Hz to 16kHz)
  • Highly effective cooling system
  • Status indicators for signal, peak and protection
  • Extensive high temp, overload and short-circuit protection
  • Wide AC 190V to 240V voltage input
  • 24V DC input with wide voltage protection
  • Compact 1RU form factor
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Specifications

Model QTA1240D
Rated Power Output 1 x 240W
Speaker Outputs 100V
Input Sensitivity & Impedance ±385mV20K Ω
Frequency Response 30Hz – 12kHz (+/-3dB)
SN Ratio ≥ 85dB
THD ≤ 0.1% @ 1kHz
Indicators Signal, peak, protection and power
Protection High temp, overload and short circuit
Cooling Automated high speed fans
Power Consumption 300W
Power Supply 190-240V AC and 24V DC
Unit Dimensions 484x395x44mm
Shipping Dimensions 550x550x155mm
Unit Weight 4.5kg
Shippping Weight 7.3kg

 

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Downloads

ดาวน์โหลด Datasheet QUEST QTA1240D

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โทร. : 02-2031821 , 02-6414744
สายด่วน : 095-9265276 , 086-3114142

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