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TX750D

750W RMS @1Ω mono block class-D amplifier with complete variable x-over and bridge mode

Introduction

The TX750D is a Class-D amplifier that delivers over 750 Wrms into 1Ω. It’s a little marvel of technology capable of powering 1 to 4 subwoofers with a total power handling capacity of 750 Wrms. The build quality is superb, the components are top-of-the-line, and it’s equipped with a comprehensive active crossover and even a connector for controlling and connecting cooling fans...

(+) Product

  • High-efficiency (90%) Class-D amplifier designed specifically for subwoofers
  • Optimized for loads from 1Ω to 4Ω
  • All-aluminum construction
  • EBC remote control included
  • Active x-over 24dB/oct filters, variable from 40 to 150Hz
  • 25Hz subsonic filter, 24dB/oct
  • Thermally regulated connector for external fan
  • 21 mm² power terminals
  • Bridge mode possible with 2 amplifiers
  • Optimal use with 1x TX612 or 2x TX612 or 1x TX615 or 2x TX615 or 2x TX212a or 3x TX212a...

Specifications

  • Class-D mono block 1-channel amplifier
  • CEA2006 certified power
    • 1x 750 watts RMS @1Ω and THD + N ≤1%
    • 1x 500 watts RMS @2Ω and THD + N ≤1%
    • 1x 300 watts RMS @4Ω and THD + N ≤1%
  • Active x-over
    • Low Pass (LPF) 24dB/Oct variable from 40Hz to 150Hz
    • Subsonic 24dB/Oct @30Hz
  • Signal / Noise ratio (1 watt): >75dB
  • THD + Noise (Distortion) (1 watt): ≤0,1%
  • Frequency response (± 0,5dB): 10Hz-150Hz
  • RCA sensitivity level: 100mV to 6V
  • EBC (External Bass Control) included
  • Bridge mode with two TX750D (cable included). Output power: 3000Wrms
  • Dimensions: 125mm x 265mm x 50mm
  • Power connectors: 21mm²
  • Recommanded power kit: ZNX21K

Restrictions

The amplifier's power should not exceed that of the speaker. Compare RMS power ratings with RMS power ratings. Do not expose amplifiers to moisture, excessive vibration, or high temperatures.

Warning

MTX wants you to enjoy your hearing for a long time. Excessive exposure to loud volumes can damage your hearing. The United States Department of Labor recommends not exceeding the following recommendations.

  • 90db : maximum 8 hours/day
  • 92dB : maximum 6 hours/day
  • 95db : maximum 4 hours/day
  • 97db : maximum 3 hours/day
  • 100db : maximum 2 hours/day
  • 102db : maximum 90 minutes/day
  • 105db : maximum 60 minutes/day
  • 110db : maximum 30 minutes/day
  • 115db : maximum less than 15 minutes/day
  • 120db : immediate danger, 0 minute/day

Optimal Connections for the TX750D

One 2Ω subwoofer connected to the TX750D. The amplifier operates at 2Ω.
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Two 2Ω subwoofers connected to the TX750D. The amplifier operates at 1Ω.
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One 4Ω subwoofer connected to the TX750D. The amplifier operates at 4Ω.
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Two 4Ω subwoofers connected to the TX750D. The amplifier operates at 2Ω.
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Three 4Ω subwoofers connected to the TX750D. The amplifier operates at 1.33Ω.
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Four 4Ω subwoofers connected to the TX750D. The amplifier operates at 1Ω.
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Wiring Diagram Bridge Mode with two TX750D
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Complementary Products

Power pack MTX ZNX21K

RCA cables ZNX1.2 ZNX3.2 ZNX5.2

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Tel : +33 1 42 28 72 52 - contact@mtx.audio
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