HiFiMAN EF-6 headphone amplifier
The audio company HiFiMAN says its headphone amp is designed to drive low-efficiency headphones to allow music fans to use a wider choice of headphone products.
The EF-6 headphone amplifier from HiFiMAN is designed to drive low-efficiency headphones and its MSRP is $1,500.
With headphones now one of the top selling categories in consumer electronics the market has adapted and the audiophile community has latched onto this trend, which was initially driven by neophyte audio listeners.
HiFiMAN, a manufacturer of headphones, high-performance portable audio devices and other components recently introduced its EF-6 headphone amplifier, which it says enables audiophiles and music fans in general to utilize low-efficiency headphones to listen to their favorite tunes.
The 24 pound, robustly built amplifier is made of brushed aluminum and steel with aluminum heat sinks, and internally it provides users with a 5 watt, Class A circuit and a hand-built step attenuator with matched resistors that contribute to its symmetrical output. The EF-6 is stated to produce a quiet 95dB signal-to-noise (s/n) ratio, and HiFiMAN says that as a result of the engineering behind the EF-6, users can enjoy a warm, relaxing sound with lots of detail no matter what headphone it is driving.
HiFiMAN, a manufacturer of headphones, high-performance portable audio devices and other components recently introduced its EF-6 headphone amplifier, which it says enables audiophiles and music fans in general to utilize low-efficiency headphones to listen to their favorite tunes.
The 24 pound, robustly built amplifier is made of brushed aluminum and steel with aluminum heat sinks, and internally it provides users with a 5 watt, Class A circuit and a hand-built step attenuator with matched resistors that contribute to its symmetrical output. The EF-6 is stated to produce a quiet 95dB signal-to-noise (s/n) ratio, and HiFiMAN says that as a result of the engineering behind the EF-6, users can enjoy a warm, relaxing sound with lots of detail no matter what headphone it is driving.
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Article Topics
Audio · Amplifiers · Accessories · Headphone Amp · Low-efficiency Headphones · Class A Circuit ·About the Author

Robert Archer, Senior Editor, CE Pro
Bob is an audio enthusiast who has written about consumer electronics for various publications within Massachusetts before joining the staff of CE Pro in 2000. Bob is THX Level I certified, and he's also taken classes from the Imaging Science Foundation (ISF) and Home Acoustics Alliance (HAA). In addition, he's studied guitar and music theory at Sarrin Music Studios in Wakefield, Mass.



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