Audio-technica Balanced Headphone Amplifier AT-BHA100
- 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
- Nichicon chemical capacitors
- Film capacitors from WIMA and Shinyei Capacitor
- Four-layer board structure
- Gain selector switch
- Two balanced outputs
- Two 6.3 mm unbalanced outputs
- Line-through output
- Beautiful vented design showcases the internal vacuum tubes
- Horizontal or vertical orientation for greater layout flexibility
- External AC adapter
Sepcifications
Load Impedance
16 - 600 ohms
Frequency Response
Line input: 10 ~ 100,000 Hz (0, -3 dB at 32 ohms and 10 mW output);
Balanced input: 10 ~ 100,000 Hz (+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
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