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HiFiMAN Susvara Headphones and EF1000 Amplifier Combo

HiFiMAN Susvara Headphones and EF1000 Amplifier, both crafted by HiFiMAN with each other in mind, are perfect compliments or what we call Planar Perfection.

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NANOMETER GRADE

The driver's incredible thinness, less than a millionth of a meter, and extremely low mass mean it can produce tremendously low distortion levels yet offer a highly dynamic response. By combining this diaphragm and "Stealth Magnet" technology each working in harmony, the audio produced is of a remarkable tonal quality and clarity. The "Window Shade" on the SUSVARA has been painstakingly optimized to avoid arty-resonant frequencies. This leads to superior aural purity, tonally clean and unadulterated yet provides practical protection for the ultra-fine diaphragm and additional offering an appealing visual aesthetic.

THE ULTIMATE COMPLEMENTS

The EF1000 is the SUSVARA's official amplifier, which utilizes a separate power supply design. Its SSRP circuit uses six 6922 vacuum tubes and six pairs of transmitters in parallel. The result is a perfect combination of the beautiful sound from the vacuum tubes and the powerful output of a solid-state amp.

HYBRID DESIGN

The headphone output is 20w, pure Class A. The amplifier output is 50w, pure Class A, and 110w, Class A/B. The SRPP circuit uses six 6922 vacuum tubes and six pairs of transmitters in parallel along with a separate power supply design. The EF1000 volume control uses the same relay-based attenuator technology as the SHANGRI-LA. This offers a silky smooth response and ultra-low distortion from its use of dedicated pathways.

FORM FOLLOWS FUNCTION

Special ergonomic design it01L for superb comfort and extended listening.

 

Specifications
EF1000:
Input Stage: Vacuum Tube SRPP Circuit
Headphone Output for 35Ω Load: 20w. pure Class A
Amplifier Output for 8Ω Load: 50w. pure Class A, 110w. Class A/B
SNR (A weight): 108dB
Dynamic Range: 111dB
Weight:
Main Unit: 13.45 kg (29.65lb)
Power Supply: 11.2 kg (24.69lb)
Dimensions:
Main Unit: L460x280x170 mm3 (18.11" x 11.02" x 6.69")
Power Supply: L360x 200x170 mm3 (14.17" x 7.87" x 6.69")
SUSVARA:
Frequency Response: 6Hz-75kHz
Impedance: 60Ω
Sensitivity: 83dB
Weight: 450g (15.9oz)

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