HiFiMAN EF-100 Headphone Amplifier

The HiFiMAN EF100 is a powerful
hybrid headphone amplifier and integrated amplifier. Housed in its compact
chassis lie three independent amplifier sections: a vacuum tube input
stage works as a shared preamp, a Class AB headphone amplifier, and
a Class T speaker power amplifier.
Benefitting from vacuum tube technology, both headphone amplifier and
power amplifier sound warm, smooth, detailed and musical. Working as
a hybrid headphone amplifier, EF100 can produce a 2w output under a
32 ohm load so it can easily drive many high performance headphones.
In addition, EF100 can also serve as a hybrid power amplifier to drive
speakers of moderate to high efficiency. In power amplifier mode, the
amplifier output line is fully independent from the digital amplifier
line used in the headphone amplifier.
$499.00
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The HiFiMAN EF100 is a powerful hybrid
headphone amplifier and integrated amplifier. Housed in its compact
chassis lie three independent amplifier sections: a vacuum tube input
stage works as a shared preamp, a Class AB headphone amplifier, and
a Class T speaker power amplifier. Benefitting from vacuum tube technology,
both headphone amplifier and power amplifier sound warm, smooth, detailed
and musical.
Driven by front stages vacuum tubes,
EF100 combines the warmth vacuum tubes are known for with the high efficiency
of a digital amplifier. It is the best of both worlds. When EF100 is
used as a power amplifier, it can give 4.5 watts per channel so it can
drive HIFI speakers of moderate to high efficiency.
At last, with its versatile design EF100 can bring music to life from
a variety of sources for both headphones and speaker applications.
Specifications:
Voltage: 220V
Input impedance: 47k
Output impedance: 32-300 Ohm
Headphone Output:
Output voltage and output power under 30 ohm load: 7.8v, 2000 mw
Frequency response: 20-20khz +/- 0.2db
Power amplifier output:
Each channel: 4.5 w (4 ohm load)
Frequency response: 20-20khz +/- 1db
D/N(A): 95db
Tube: 6N3J
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