ART TransX Two Channel Transformer Isolated Descrete Transistor Preamp

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The TransX two channel microphone preamplifier features a new low noise discrete transformer coupled high performance preamplification circuit. Building upon the quality and success of great sounding products like the Pro MPA II and the Pro VLA II, ART engineers set out to develop the next generation of professional microphone preamplifier to compliment our tube-based preamps. The TransX sets a new standard for quality and value. Professional features and spectacular tone are what make the TransX a world-class microphone preamplifier.

Key Features

  • Input Transformer blocks R.F. and other noise
  • Custom Output Transformer reduces ground noise and maintains level for Balance/Unbalanced connections
  • Low noise, low THD discrete audio path
  • High impedance direct coupled low noise Instrument input
  • Variable input impedance on the XLR input
  • Rotary switches allow for reliable, repeatable results
  • Gain trim function for precise adjustment of gain
  • 20dB pad allows high level XLR input signals
  • Wide range peak sensitive LED meter
  • Phase reverse switch
  • Auto muting on outputs 
  • Ground lift function on each channel’s outputs
  • Universal External supply reduces noise and lowers power consumption 
  • Rugged, reliable steel chassis shields the preamp from external noise
  • 1 year warranty against manufacture defects


Frequency Response 10-50kHz + 1dB
Total Harmonic Distortion <0.009% @1kHz, +4dBu out
CMRR 90dB @60Hz
Equivalent Input Noise Mic (@max gain) -128dBu “C” wtd.
Inst. (@ max gain) -125dBu “C” wtd.
Input Impedance Mic 150 to 1k Ohm variable
Instrument 1M Ohm
Maximum Gain Mic in to output (bal.) +68dB
Inst. IN to Main output (bal.) +59dB
Maximum Input Level XLR +24dBu
Instrument +15dBu
Maximum Output Level +24dBu
Output Impedance 100 Ohms
Low Cut Filter Slope 6dB/Oct.
Range 10Hz to 200 Hz
Step size 1/3 Oct.
Phantom Power Switch selectable, +48V DC, filtered, current limited
Chassis Type Chassis Steel, Painted finish
Power Supply Input requirements USA – 85 to 250 VAC/ 50-60 Hz
Export units configured for country of destination.
Output requirements 48 V dc, 10 Watts Max
Dimensions 1.75″H x 19″W x 9.5″D (44m x 483mm x 241mm)
Weight 13.2 lbs. (6.0 kg)
Notes With the locking power supply plug connected, the depth increases to 11.6″ (295mm) total


0 dBu = 0.775 VRMS

ART maintains a policy of constant product improvement. ART reserves the right to make changes in design, or make additions to, or improvements upon, this product without any obligation to install same on products previously manufactured. Therefore, specifications are subject to change without notice.

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