Audio-Technica AT-HA5050H Hybrid Headphone Amplifier

Audio-Technica AT-HA5050H Hybrid Headphone Amplifier

Audio-Technica AT-HA5050H Hybrid Headphone Amplifier

B&H # AUATHA5050H MFR # AT-HA5050H
Audio-Technica AT-HA5050H Hybrid Headphone Amplifier

Audio-Technica AT-HA5050H Hybrid Headphone Amplifier

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Important Notice: This item is non-cancelable and non-returnable
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Expected availability: 7-14 business days 
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Product Highlights

  • 2 x E88CC Vacuum Tubes in Preamp Stage
  • Toshiba Bipolar Power Transistors
  • Sifam VU Meters for Precise Metering
  • Custom-Made R-Core Transformer
  • Lundahl Transformers
  • 8 x Headphone Output Jacks
  • 2 x RCA & Balanced XLR Inputs
  • USB and SPDIF Digital Inputs
  • Includes Power Cable
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  • 1Description
The AT-HA5050H from Audio-Technica is a hybrid hi-res audio headphone amplifier – hybrid because it employs a pair of tubes at the preamp stage and transistors at the power amplifier stage. It can be used when paired with headphones to bring warmth and depth to music and is powerful enough to drive eight headphones of varying impedances without any problem for home or studio applications.

The headphone amplifier is equipped with two analog inputs (L/R RCA line jacks and L/R balanced XLR jacks) and has two digital inputs (S/PDIF digital coaxial input and USB with selectable Asynchronous and Adaptive modes). The DAC is optimized to be compatible with digital audio formats up to PCM 32-bit/384 kHz and DSD128.

Additional features include classic analog VU meters with VU range selector switch, a large volume control knob, and an input attenuator switch. The AT-HA5050H lets you choose from four different output impedances (two outputs each of 0.1, 33, 82 and 120 Ohms) to experience the sound that best suits you and your headphones.

Two E88CC vacuum tubes are used in the preamp stage to achieve the warm, mellow sound you can only get from tubes
A pair of Toshiba bipolar power transistors provide strong, driving power and high-quality sound
Sifam VU meters provide precise metering with a classic feel that matches the warm, analog tone from the tubes
Custom-made R-Core transformer counters spikes and instability in the power line, providing consistent, high-resolution amplifier performance with distinctive hybrid sonic characteristics
Lundahl transformers, Nichicon electrolytic capacitors and WIMA polyester capacitors are used to provide the best sound quality possible
Eight headphone jacks with choice of four different output impedances (0.1, 33, 82 and 120 ohms x 2) give you control of the sonic presentation without the extra noise that might be introduced by an impedance selector switch
Two analog (unbalanced RCA and balanced XLR) and two digital (USB and SPDIF digital coaxial) inputs allow the amplifier to be used with a wide range of equipment
In the Box
Audio-Technica AT-HA5050H Hybrid Headphone Amplifier
  • Power Cable
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    System Requirements Computer with a USB 2.0 port
    CPU Intel Core2 CPU 2.2 GHz or equivalent
    RAM 32-bit OS 2 GB or more, 64-bit OS 4 GB or more
    Operating System Windows 7, Windows 8, Windows 8.1, Mac OS X 10.9
    Type Preamplifier Stage: Vacuum circuit
    Power Amplifier Stage: Class-A bipolar transistor amplifier
    Headphone Impedance 16 - 600 Ohms
    Maximum Output Level 2,000 mW + 2,000 mW (16 Ohms load)
    1,000 mW + 1,000 mW (32 Ohms load)
    500 mW + 500 mW (64 Ohms load)
    62 mW + 62 mW (600 Ohms load)
    Rated Output 20 Hz - 20 kHz:
    125 mW + 125 mW (16 Ohms load)
    62 mW + 62 mW (32 Ohms load)
    31 mW + 31 mW (64 Ohms load)
    3.3 mW + 3.3 mW (600 Ohms load)
    Frequency Response Line Input: 5 Hz - 200 kHz (0, -1 dB at 32 Ohms 10 mW output)
    XLR Input: 5 Hz - 200 kHz (+0.5, -2 dB at 32 Ohms 10 mW output)
    Total Harmonic Distortion <=0.08% (20 Hz - 20 kHz at 32 Ohms 10 mW output)
    Gain 14 dB (line input); 13.5 dB (XLR input)
    Signal to Noise Ratio 104 dB (A-weighted)
    Separation Between Channels 70 dB (1 kHz at 32 Ohms)
    Input Connector Analog: Line input (RCA) x 2; XLR connector x 2
    Digital: USB (Type B):
    Mode Function Asynchronous Mode: DSD 128 (5.6448 MHz), DSD 64 (2.8224 MHz): 24 - 32-bit
    PCM 384 kHz, 352.8 kHz, 192 kHz, 176.4 kHz, 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz, 32 kHz: 16 - 32-bit
    Adaptive Mode: DSD incompatible
    PCM 192 kHz, 176.4 kHz, 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz, 32 kHz: 16 - 32-bit
    Digital Connectivity 1 x Coaxial (SPDIF): PCM 192 kHz, 176.4 kHz, 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz, 32 kHz: 16 to 24-bit
    Output Connectors (Analog) 1/4" (6.3 mm) standard stereo jack (output impedance 0.1 Ohms) × 2
    1/4" (6.3 mm) standard stereo jack (output impedance 33 Ohms) × 2
    1/4" (6.3 mm) standard stereo jack (output impedance 82 Ohms) × 2
    1/4" (6.3 mm) standard stereo jack (output impedance 120 Ohms) × 2
    DA Conversion Frequency response: 5 Hz - 100 kHz (0, -1.5 dB)
    Total harmonic distortion: <=0.0006% (20 Hz - 20 kHz)
    Signal-to-noise ratio: 113 dB (A-weighted, 1 Vrms output)
    Separation between channels: 110 dB (20 Hz - 20 kHz)
    Input Attenuator -12 dB
    VU Meter Range 0 dB, -10 dB, -20 dB, -30 dB
    Power Supply 100 - 120 VAC or 220 - 240 VAC, 50/60 Hz
    Power Consumption 53 W (max)
    Dimensions (H x W x D) 3.9 x 13.1 x 12.9" (100 x 332 x 327 mm)
    Weight 24.3 lb (11.0 kg)
    Packaging Info
    Package Weight 32.85 lb
    Box Dimensions (LxWxH) 19.7 x 19.6 x 9.9"

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