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Audio-Technica

Audio Technica AT-BHA100 Balanced Headphone Amplifier



  • The increased popularity of high-resolution digital sound sources has resulted in a growing need for high-quality sound with balanced hi-fi headphones. To meet this need, Audio-Technica is offering the AT-BHA100 balanced headphone amplifier and AT-DAC100 digital-to-analogue converter, ideal for use with hi-fi headphones such as the ATH-ADX5000, the ATH-AW Series, and the ATH-MSR7b. This compact desktop unit is compatible with Direct Stream Digital (DSD) and other high-definition formats to reproduce every detail of the original recording.

    - Hybrid system with vacuum tubes and power transistors
    - Four independent preamp vacuum tubes
    - Four power transistors, one for each powered amp circuit
    - Four completely independent amplifier circuits
    - Operational amp that highlights the superiority of vacuum tubes
    - Relay switches designed specifically for vacuum tubes
    - High-quality audio-grade components
    - Film capacitors from WIMA and Shinyei Capacitor
    - Four-layer board structure
    - Gain selector switch
    - Two balanced outputs
    - Two 6.3 mm (1/4ʺ) unbalanced outputs
    - Line-through output
    - Beautiful vented design showcases the internal vacuum tubes
    - Horizontal or vertical orientation for greater layout flexibility
    - External AC adapter


  • AT-BHA100 Specifications

    Load Impedance
    16 - 600 ohms
    Frequency Response
    Line input: 10 Hz to 100 kHz (0, -3 dB at 32 ohms and 10 mW output);
    Balanced input: 10 kHz to 100 kHz (+0.5, -3 dB at 32 ohms and 10 mW output)
    Total Harmonic Distortion
    < 0.25% (20 Hz to 20 kHz at 32 ohms and 1 mW)
    Input Connections
    Line input, Balanced input
    Output Connector
    6.3 mm headphone output, Balanced output (4.4 mm/XLR 4-pin)
    Channel Separation
    6.3 mm headphone output: 75 dB (load: 32 ohms, 1 kHz)
    Balanced output: 100 dB (load: 32 ohms, 1 kHz)
    Gain
    6.3 mm headphone output:10 dB (high gain) / 1.5 dB (low gain)
    Balanced output:16 dB (high gain) / 7 dB (low gain)
    Noise
    6.3 mm headphone output:-100 dBv (A-weighted high gain) / -103 dBv (A-weighted low gain)
    Balanced output:-92 dBv (A-weighted high gain) / -95 dBv (A-weighted low gain)
    Power Supply
    100 - 240 VAC, 50/60 Hz, 15 VDC/2.4 A (AC adapter provided)
    Rating Capacity
    Maximum 25 W
    Dimensions
    210 mm x 266 mm x 44 mm (W x D x H) (excluding protrusions)
    Weight
    About 1.8 kg
    Accessories Furnished
    AC adapter (approx. 1.5 m, Power cord, Foot x 6, Stand x 2




  • AT-BHA100 x 1
    AC Adaptor x 1
    Power Cord x 1
    Foot x 6
    Stand x 2