Hifiman EF-5 Hybrid Tube Headphone Amp RCA, NICE, Powerful DY-1 Upper Line Power Supply,, RCA Vintage Tube, NICE - Black

Upper line Hifiman EF-5 Tube Hybrid Stereo headphone amp, with upgraded Hifiman Heavy Duty DY-1 Power supply. The amp is actually relabeled/rebadged Head Direct EF-1. It is an authentic Hifiman EF-5 amplifier section. Relabeling and rebadged components are common place with different manufacturers. The EF-5 is a powerful Hybrid tube solid state amp using the excellent 12au7/ECC82 tube. Included is an upgraded vintage "like new" RCA "Clear top 12AU7A, much improved sound over the original 12au7. This amp sounds superb and will drive virtually all headphones. It is open, detailed, quiet, dynamic, involving, spacious, transparent, smooth, natural and musical, impressive amp and hard to find. Read the rave reviews and recommendations for this amp. It is nice cosmetically and is ready to plug and play. It includes EF-5 Hybrid Tube Amplifier section, DY-1 Upgraded Heavy duty power supply, connecting cable, IEC power cable and upgraded vintage USA RCA 12au7a,115/220 volt. The insured carefully packed USPS shipping cost for domestic USA shipping, will be $24. See the impressive specs below. Buy with confidence, see my feedback. Good Listening, SonnY :) Specs/Description below:hybrid tube/solid state design uses a single 12AU7 dual triode vacuum tube input stage and OPA275 solid state opamp outputdual-chassis design with separate headphone amp and power supply blockshigh-output design ideal for high-performance headphones, including HiFiMAN HE-500 and HE-6 planar magnetic modelsstereo RCA audio inputfull-size stereo headphone outputcompatible with 2-2000 ohm headphonessignal-to-noise ratio: greater then 95dBfrequency response: 20-30,000 Hzoutput at 32 ohms: up to 15 VoltsTHD+N: less than 0.2%amp chassis: 4-3/8"W x 2-7/8"H (with tube) x 9-1/2"Dpower supply chassis: 4-3/8"W x 2-1/16"H x 9-1/2"DGet the most out of your high-performance headphonesJust like great speakers, top-notch headphones need high-quality power in abundance to perform their best. Give them what they crave with the HiFiMAN EF-5. This hybrid vacuum tube/solid state headphone amplifier dishes out the kind of juice that can drive even the most power-hungry cans. You'll hear dynamic, detailed sound with the warmth and clarity of tubes, plus the added bass punch and slam of solid state power. Its wide bandwidth, low distortion, and high signal-to-noise ratio make the EF5 the clear choice for discriminating music lovers.hifiman ef-5 backUnique two-box designThe EF-5's dual-chassis configuration uses a separate outboard power supply that helps isolate noise and interference from the amplification circuitry. The amplifier chassis sports a clear plexiglass top and solid state outputs while allowing you to admire its tidy, well-crafted interior. The two pieces can be placed side-by-side, or stacked to save space. Any way you use it, this is one cool-looking, fantastic-sounding headphone amp you'll be proud to show off.Includes:Hifiman EF-5 Hybrid Tube Amp, Hifiman DY-1 Upgraded Power Supply, Connecting cable, IEC power Cord, "Like New" vintage RCA 12AU7A tube