Bryston BHA-1 silver
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Bryston BHA-1 Headphone Amplifier
The Bryston BHA-1 is a high-end headphone amplifier designed to provide an optimal listening experience with a wide variety of headphones. A true miniature power amplifier, it features the same robust design elements that have made Bryston’s full-sized amplifiers world-renowned.
Fully Discrete Class A Design
The BHA-1 stands out with its six fully discrete Class A operational amplifiers, capable of generating up to 2 W of power for exceptional dynamic range. This Class A design ensures more linear and precise signal amplification, resulting in cleaner and more detailed audio reproduction.
Versatile Inputs and Outputs
In terms of connectivity, the BHA-1 offers great flexibility with three stereo inputs: unbalanced RCA, balanced XLR, and 3.5 mm mini-jack. It is thus compatible with a wide range of audio sources such as DACs, preamplifiers, and media players.
In addition to traditional balanced and unbalanced headphone outputs, the BHA-1 features a pair of XLR outputs at the rear. This allows it to be used as a high-quality analog preamplifier by connecting it to a power amplifier or active speakers.
Low Distortion and High Power
Renowned for its low distortion levels and high output power, the BHA-1 can easily drive a wide array of headphones, including high-impedance models. The low distortion ensures that the audio signal remains true to the source, offering a transparent listening experience.
Total Gain Control
The BHA-1 includes a gain selector to adjust the output power to the sensitivity and impedance of the headphones used. This ensures optimal performance and volume control, regardless of the headphones connected. The high gain is approximately 20 dB, while the low gain is about 14 dB.
Silent Convection Cooling
The absence of noisy fans in the BHA-1’s design is a plus. Convection cooling ensures silent operation of the amplifier, without introducing annoying background noise during listening. The device remains cool to the touch even after long usage sessions.
Machined and Anodized Aluminum Construction
The build quality of the BHA-1 is exceptional. Its machined and anodized aluminum casing not only offers an elegant look but also provides durability and effective shielding against interference. Available with a silver or black front panel, in 17” or 19” width, it integrates perfectly into any hi-fi system.
Impeccable Sound Quality
The most crucial aspect of any audio component is its sound quality. The BHA-1 excels in its ability to deliver clean, transparent, and detailed sound. It reveals the full potential of headphones, allowing them to express themselves fully without adding or subtracting from the signal. The soundstage is wide and precise, with great depth of field.
Legendary 20-Year Warranty
The 20-year warranty offered by Bryston reflects the manufacturer’s confidence in the durability and reliability of its products. It provides true peace of mind for audiophiles looking to invest in a device designed to last. Each Bryston product is meticulously hand-assembled and individually tested.
What types of headphones can the BHA-1 drive effectively?
Thanks to its high power and low distortion levels, the BHA-1 can effectively drive a wide range of headphones, from the most sensitive to the most challenging to drive. Whether you’re using high-impedance headphones that require a lot of power or sensitive in-ear models, the BHA-1 adapts to provide optimal driving without background noise.
Is the BHA-1 compatible with balanced headphones?
Yes, the BHA-1 features balanced XLR headphone outputs in addition to standard unbalanced outputs. This allows you to fully enjoy the benefits of balanced headphones in terms of interference reduction and improved dynamics. Whether you’re using a balanced or unbalanced cable, the BHA-1 delivers optimal sound quality.
Can I use the BHA-1 as a preamplifier in my hi-fi system?
Absolutely. With its rear XLR outputs, the BHA-1 can serve as a high-quality analog preamplifier. Simply connect it to a power amplifier or active speakers via the XLR outputs, and you’ll benefit from its excellent performance to drive your speakers. This is a valuable advantage that extends the versatility of the BHA-1 beyond just a headphone amplifier.
Does the BHA-1 generate heat during operation?
The BHA-1 is entirely convection-cooled, meaning it doesn’t require noisy fans to dissipate heat. Even after long listening sessions, the device remains cool to the touch. This is a testament to its quality design and long-term reliability. You can leave the BHA-1 on continuously without fear of overheating.
Key Points to Remember about the Bryston BHA-1:
- Reference headphone amplifier offering exceptional performance
- Fully discrete Class A design with 6 operational amplifiers
- Great connectivity versatility with RCA, XLR, and mini-jack inputs
- Balanced and unbalanced headphone outputs for maximum compatibility
- Preamplifier function thanks to rear XLR outputs
- Low distortion and high power to drive any type of headphone
- Gain selector to adjust power to headphone sensitivity
- Silent convection cooling without fans
- Robust construction in machined and anodized aluminum
- Impeccable sound quality: transparency, detail, spatialization
- Legendary 20-year warranty attesting to the product’s reliability
Technical Specifications
Audio Performance
- Fully discrete Class A operational amplifiers
- Low distortion and high output power
- Balanced output and switchable gain
- Frequency response: 20 Hz - 20 kHz
- Total Harmonic Distortion + Noise (THD+N) (20 Hz - 20 kHz at rated power): < 0.005%
- Output power (per channel): 2 W at 32 Ω
Connectivity and Impedance
- 3 stereo inputs: RCA, XLR, 3.5 mm TRS mini-jack
- Input impedance:
- Unbalanced: 10 kΩ
- Balanced: +15 kΩ / -5 kΩ
- Sensitivity:
- High position (HI) (approximately 20 dB):
- 70 mV input = 100 mW output at 50 Ω
- 500 mV input = 5 V output
- Low position (LO) (approximately 14 dB):
- 140 mV input = 100 mW output at 50 Ω
- 500 mV input = 2.5 V output
- High position (HI) (approximately 20 dB):
Design and Construction
- Passive cooling through natural convection
- Machined anodized aluminum casing and front panel
- Dimensions:
- Width: 43.2 cm or 48.3 cm
- Height: 6.9 cm
- Depth: 28.2 cm
- Weight: 5.3 kg
- Eco-contribution included in the sale price.


