TEAC Launches the Reference 500 Series Pure Analog Headphone Amplifier/Preamp HA-507 Teac, October 30, 2024

TEAC Corporation (TOKYO: 6803) (Headquarter: Tama, Tokyo, President & CEO: Yuji Hanabusa) is proud to announce the Reference 500 Series pure analog headphone amplifier/preamplifier HA-507. Products will be available for shipment in late January 2025.


HA-507-B (Black)


HA-507-S (Silver)

Product Overview

The HA-507 is a pure analog headphone amplifier/preamplifier that incorporates TEAC's premium audio technologies to achieve the highest level of sound quality.
Equipped with an extensive power supply circuit, the HA-507 has exceptional headphone driving power and an extremely wide frequency response that cannot be imagined from its compact appearance. When connected to the TRDD 5 discrete DAC, model UD-507, you can create a special headphone playback system with separate digital and analog sections.
The HA-507 is a no-compromise headphone amplifier that can also be used as a pure analog preamplifier. When paired with a Reference 500 Series power amplifier, you can create a compact yet full-featured separate amplifier system that further enhances the quality of your loudspeaker listening experience.


Key Features

Headphone Amplifier section

  • High power, wide range, low distortion Class AB amplifier
  • Fully balanced/dual mono configuration with extremely powerful/musical amplifier elements
  • Exceptional headphone drive capability of 6,700mW + 6,700mW (32Ω) at balanced output
  • Preamp pass-through function for use as a separate power amplifier for headphones
  • Two balanced outputs: XLR 4-pin × 1, 4.4mm Pentaconn × 1
  • Unbalanced outputs: 6.3mm × 1, 3.5mm × 1
  • Switchable headphone output gain (high/mid/low)


Preamplifier section

  • Premium compact preamplifier built on TEAC's unparalleled excellence in audio design
  • Fully balanced/dual mono configuration
  • “TEAC-QVCS Advanced” with new super high precision, ladder resistor network
  • Smooth, precise volume control in 0.25dB increments
  • Lossless, long life FET input switching system without mechanical contacts
  • “TEAC-HCLD 2 (High Current Line Driver 2)” provides fast and powerful external amplifier drive capability.
  • Inputs: XLR × 2, RCA × 2
  • Outputs: XLR × 1, RCA × 1

Power Supply section

  • Two independent power supplies (one for audio circuits and one for control circuits)
  • Large toroidal power transformers with separate left and right windings exclusive for audio circuits
  • 18,800μF per channel dual-mono configuration for dynamic, responsive sound
  • High-quality power components, high-speed Schottky barrier diodes.
  • Low-feedback, discrete regulated power supply circuit for excellent dynamics and imaging

Mechanical Design, Additional Features

  • Compact yet rugged A4-size aluminum chassis suitable for both audio rack and desktop applications
  • Semi-floating 2.8mm thick aluminum top plate
  • Stressless metal feet with three-point support for precise imaging and natural sound characteristics
  • Fanless, highly efficient heat dissipation design
  • Preamp pass-through for AV surround systems
  • Trigger in/through terminals
  • High grade aluminum knobs with patent-pending mechanism to prevent off-axis shaft movement
  • RC-1340 dedicated remote control (AAA x 2), motorized volume control
  • Available in two colors: silver and black

* Design and specifications subject to change without notice.

 

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