HP4 Tube Headphone Amplifier By EAR
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Product Summary:
The EAR HP4 is the company’s only headphone amplifier and the perfect choice if you’re looking for a high-end, tube headphone amp with dazzling nuance and a liquid mid-range.
Click To Read MoreTrial Period
90 Days (Exchange)
Countries Shipped
North America
Burn-In Time
200 Hours
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Price:
EAR, Headphone, Headphone Amplifiers
HP4 Tube Headphone Amplifier By EAR
$5,895
The EAR HP4 is the company’s only headphone amplifier and the perfect choice if you’re looking for a high-end, tube headphone amp with dazzling nuance and a liquid mid-range.
Click To Read MoreAvailability: 1 in stock
Product Description
Note: We have one new EAR HP4 Tube Headphone Amp in stock as of November 2022. EAR makes only one headphone amp model and the HP4 is one of the best in the world. These units take up to 120 days to deliver but we have this one ready to ship immediately from the USA; please call to make sure it’s still available.
Jaguar is proud to offer EAR electronics, known for crafting some of the most musical and refined tube gear available. While many high-end tube amplifier brands exist, often priced far higher than EAR, we focus on amplifiers like EAR and Lamm — products from visionary designers that stand apart as truly unique and exceptional.
The EAR HP4 Headphone Amplifier is regarded as one of the finest in its class. Using four 6SL7 valves matched to a high-quality load through precision transformers, it delivers nearly 1 watt of clean, low-distortion power into both high and low-impedance headphones. The Enhanced Triode Mode circuit, inspired by the acclaimed V20 and 859 integrated amplifiers, ensures stunning audio performance, while the input stage is transformer-coupled for the flexibility to accept both balanced and unbalanced signals from your preamplifier.
Designed for ease of use, the HP4 features an integrated volume control, allowing for direct headphone or loudspeaker listening. Input signals can be independently switched, offering versatility in your audio setup. Built for durability, EAR’s HP4 is engineered to last with an expected valve life of over 10,000 hours.
With the ability to connect up to four pairs of headphones, the HP4 offers Low/High Impedance and Balanced/Single-Ended operation options, ensuring compatibility with virtually any headphone in your collection.
About EAR
EAR (Esoteric Audio Research), founded by legendary designer Tim de Paravicini, has been synonymous with high-fidelity audio since the 1970s. Renowned for his innovative designs, de Paravicini’s techniques have not only shaped EAR products, but also influenced some of the world’s most respected audio manufacturers. Many of his creations are still highly coveted by audiophiles, with their enduring appeal and unmatched performance.
Beyond consumer audio, Tim de Paravicini has made groundbreaking contributions to professional recording and mastering. His tape systems, microphones, and recording technology have been trusted by iconic artists like Pink Floyd and Lenny Kravitz, as well as prestigious labels such as Altarus and Water Lily Acoustics. Engineers like Robert Ludwig, Joe Gastwirt, and James Guthrie have relied on his designs, and The Exchange, one of the world’s top mastering facilities, uses EAR-designed equipment throughout its entire playback chain. Even Mobile Fidelity Sound Labs uses his LP cutting system and tape playback electronics.
EAR amplifiers are renowned for their ability to reproduce sound with unrivaled purity, free from the colorations and distortions that affect most amplifiers. Tim de Paravicini’s pioneering research into ultrasonic resonances and distortion has revolutionized amplifier design, allowing for a deeper understanding of how technical measurements relate to sonic quality. The result is clear: EAR amplifiers are some of the most accurate and musically engaging amplifiers ever made, providing an unmatched listening experience.
Reviews
Part-Time Audiophile
https://parttimeaudiophile.com/2014/09/26/review-ear-hp4-headphone-amplifier
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Product Description
Lehmann Black Cube SE II – Precision Phono Stage for True Audiophiles
The Black Cube SE II builds on the acclaimed SE circuit, upgraded with superior sockets and an adjustable bass filter, allowing you to fine-tune your system to your personal listening preferences. Designed for maximum musical engagement, it delivers the sensation that your favorite recordings were crafted just for you, bringing instruments and vocals closer than ever.
Tailored for Every System
Compatible with nearly all MM and MC cartridges, the Black Cube SE II includes solder-free slots for custom impedance adjustments, plus an extra hardwired plug-in location for immediate flexibility. Optional matching resistors can be provided with your order at no extra cost, making it easy to optimize the phono stage for your system.
Audiophile-Grade Audio Circuitry
At its core, a high-precision passive RIAA filter network sits between two linear gain stages, built with surge-proof, narrow-tolerance polypropylene capacitors. This design preserves transients, dynamics, and timbres with exceptional clarity. Professional-grade input stages reduce noise while enhancing precision and power. Additional modules handle hum, high-frequency interference, and random voltage suppression, and the double-sided audio board ensures a low-interference signal path.
Dependable PWX Power Supply
The external PWX power supply features a custom toroidal transformer with static shielding, providing stable, safe, and powerful operation. Gold-plated Neutrik XLR connectors maintain secure connections, while shielded cables and mechanically damped aluminum housings minimize vibrations and interference.
Elegant Design
With a choice of silver, black, or chrome-plated front panels, the Black Cube SE II combines audiophile-grade performance with a refined aesthetic that looks as good in your HiFi rack as it sounds in your system.
Professional Endorsement
Known for its neutral, natural sound, Lehmann equipment is trusted by professional recording studios and music experts worldwide. The Black Cube SE II offers a high-fidelity listening experience that reveals every nuance in your favorite recordings.
Note: The sonic profile of Lehmann gear is perhaps the most neutral we can find. This brand is quite popular with our professional music/recording studio clients.
Reviews
AUDIO
“Upgraded to the SE version by the PWX, it was definitely poking the fire again like almost no other phono pre in its price range. Merciless heavy rock by Vanilla Fudge or massive bigband attacks by Count Basie were just about to blaze through the listening room. Pimped in such a hot manner, the Lehmann Black Cube SE II is state-of-the-art.”
https://jaguaraudio.com/wp-content/uploads/2021/06/EN-2020_01-AUDIO-Black_Cube_II.pdf
Hifi News
“This is a true audiophile phono stage and, partnered with equipment of equal quality, the results are remarkable. Indeed, the SE II is difficult to fault even compared to the competition in a much higher price bracket. The exceptionally low background noise allied to a fabulous rhythmic and tonal rendition makes it worthy of consideration for those seeking the most detail from their vinyl without having to make a hyperspace price jump.”
https://jaguaraudio.com/wp-content/uploads/2021/06/EN_review_Hifi_News_02_2010_SEII_screen.pdf
Hifi News
“To ?nd more depth and detail in music I know so well was a remarkable experience and I warmed to this little gem of a phono stage all over again.”
Specifications
The impressing technical details of the Black Cube SE II.
Sensitivity for output level 775 mV/ 0 dB (with activated high gain switch): MM: 3.8 mV/1 kHz; MC: 0.38 mV/1 kHz
Gain 1 kHz: MM: 46 dB; MC: 66 dB
Maximum input level 1 kHz: MM: 45 mV; MC: 4,5 mV
Signal to noise ratio (RMS unweighted): MM: 71 dB; MC: 63 dB
Gain: 36 dB, 46 dB, 56 dB, 66 dB
Channel separation: > 80 dB at 10 kHz
Input impedance: 47 kohms, 1 kohm, 100 ohms, 1 x custom load, 1 x hardwire slot
Output impedance: 47 ohms
Input capacitance: 100 pF
Channel mismatch: typ. 0.5 dB
Bass filter: 16 settings between 7 Hz and app. 90 Hz
Power consumption: < 3 W
Outer dimensions W x D x H:
Audio section: 114 mm x 124 mm 50 mm
PWX power supply: 93 mm x 233 mm x 45 mm
Weight:
Audio section: 0.6 kg netto
PWX power supply: 1.0 kg netto
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