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User Manual for HIFIMAN EF100 Hybrid Headphone Amplifier Click to enlarge the picture
Contents of the user manual for the HIFIMAN EF100 Hybrid Headphone Amplifier
- Product category: Headphone Amplifiers HIFIMAN
- Brand: HIFIMAN
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for HIFIMAN Headphone Amplifiers
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User manual for the HIFIMAN EF100 Hybrid Headphone Amplifier contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any HIFIMAN product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official HIFIMAN user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a HIFIMAN product will considerably shorten its lifespan!
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Product description The HIFIMAN EF100 Headphone Amplifier is a powerful hybrid headphone amplifier and integrated amplifier. Housed in a compact chassis, it has three independent amplifier sections: a vacuum tube input stage that 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, and detailed.Working as a hybrid headphone amplifier, EF100 Amp produces a 2W output under a 32 ohm load, so it can easily drive many high-performance headphones. In addition, this amp can also serve as a hybrid power amplifier to drive speakers of moderate to high efficiency. In integrated/power amplifier mode, the amplifier output line is fully independent from the digital amplifier line used in the headphone amplifier.Driven by front stage’s vacuum tubes, the EF100 Amp combines the warmth of the vacuum tubes with the high efficiency of a digital amplifier. When the amp is used as a power amplifier, it can give 4.5W per channel, so it can drive HIFI speakers of moderate to high efficiency. With its versatile design, the EF100 Amp can deliver remarkable sound from a variety of sources for both headphones and speaker applications. In the Box HIFIMAN EF100 Hybrid Headphone Amplifier Limited 1-Year Warranty Table of Contents
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Technical parametersHIFIMAN EF100 Specs | | | Voltage | 110 / 220 VAC | | Input Impedance | 47 kOhms | | Output Impedance | 32 to 300 ohms | | | | Headphone Output | 7.8 V, 2000 mW (output voltage and output power under 30 ohms load) | | Frequency Response | 20 to 20 kHz +/- 0.2 dB | | | | Amplifier Output Power | Each Channel: 4.5 W (4 ohms load) | | Frequency Response | 20 to 20 KHz +/- 1 dB | | S/N | 95 dB | | Tube | 6N3J | | Dimensions | 13.4 x 10.2 x 2.55" (340 x 258 x 65.0 mm) | | Weight | 6.6 lb (3.0 kg) |
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