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EVH

Vacuum Tube Integrated Amplifier

The EVH implements EKCO’s signature valve amplification techniques into a headphones and pre amplifier system, for a beautifully intricate performance in its purest form. EVH is dedicated to achieving the best possible sound quality from any set of headphones connected to it. As a powerful headphone amplifier, the EVH uses 6SN7 vacuum tubes in triode mode for delightfully natural tonal characteristics.

The circuit has no overall loop feedback, and the Negative Feedback (NFB) technology lowers the output impedance, reduces distortion and improves the overall frequency response. This brings obvious benefits to sound reproduction.

A whole host of connections; 3-pin balanced, RCA, USB, coaxial, and optical inputs make it easy to listen to music without ever having to ponder on decoding different formats.

A smart toggle switch on the front panel switches the features from headphone amplifier to pre-amp system. EVH is perfect for enjoying music personally via your hi-fi system too as an integral pre-amp.


Specifications

  • Vacuum Tubes: 2x6SL7, 2x6SN7

  • Digital Input Sampling Frequencies: 44.1kHz-192kHz, 384kHz (USB), DSD256 (USB)

  • Input Jack: 3-pin balanced XLR, 1xRCA, 1xUSB, 1xCOAX, 1xOPT

  • Output: 1x6.35mm headphone jack, 4-pin balanced headphone jack, 1xRCA output

  • Size (WxDxH): 220mm x 300mm x 175mm

  • Net Weight: 5.5kg

  • Input Impedance: 50kΩ

  • Output Power: 500mW(32Ω )

  • Output Impedance: 32Ω~300Ω

  • Input Sensitivity: 500mV (500mW at 32 Ω)

  • Frequency Response: 20Hz~20kHz (+0dB,-0.5dB)

  • Distortion: 0.5% at 1kHz

  • Channel Balance: ±0.5dB

  • Ratio: 90dB

 

ANALOGUE CHARM, DIGITAL COMPATIBILITY

  • Redesigned internal valve circuitry with well-known EL84EH tube.

  • USB accepts digital signals to maximum resolution with PCM playback up to 384kHz and DSD256.


Retro Charm

The EVH's Chassis and protective grilles are finished with proprietary ‘EKCO’ high temperature black paint. The Chassis sides are fitted with matching pairs of hand crafted solid Deep Louro Preto wooden panels, using a multi-layer piano lacquer finish completing the elegant and vintage charm.