WSH-805

by Unitra


The WSH-805 is a high-fidelity integrated stereo amplifier that takes its design...

Read more

The WSH-805 is a high-fidelity integrated stereo amplifier that takes its design inspiration from the legendary Unitra WSH-205, an iconic amplifier model mostly exported for its superior quality and performance. Embodying the aesthetic and technological ethos of the 1970s golden stereo era, the WSH-805 combines a timeless look with state-of-the-art engineering to provide a sound experience that stays true to its all-analog roots.

Employing a dual-mono design, the WSH-805 ensures exceptional audio channel separation and minimizes crosstalk, thereby delivering pristine audio clarity. The dedicated use of current feedback topology in its circuits distinguishes the amplifier by enhancing its dynamic range and reducing the feedback delay, which is generally seen in traditional amplifier designs.

The WSH-805 features innovative technology such as a proprietary power block based on discrete circuits rather than standard integrated circuits. This unique construction contributes to a clear, distortion-free sound output marked by a signal-to-noise ratio exceeding 100 dB and impressively low total harmonic distortion (THD) of less than 0.0008% at 1 kHz. The amplifier is adept at handling a wide array of input signals with its multiple RCA and balanced XLR inputs, catering specifically to analog audio enthusiasts.

A standout feature of the WSH-805 is its class switching capability which allows toggling between Class A and Class AB operation. This flexibility facilitates audiophiles to choose between utmost efficiency and supreme linearity depending on the nature of their listening session. Additionally, it boasts a custom-designed phono preamplifier that supports both MM and MC cartridges, making it compatible with virtually any turntable setup.

The unit also includes a low-impedance headphone amplifier capable of driving high-end headphones, assuring an optimal personal listening environment without compromise. Built to endure, the WSH-805’s robust metal chassis houses 1586 parts, weighs 22 kilograms, and integrates beautifully engineered pivot indicators and bistable switches under its patented automated technology umbrella.

This 2023 Red Dot award-winner not only visually allures but also stands out as a testament to superior design merged with unparalleled audio engineering, making it one of the most desirable amplifiers on the market today. Whether for home audio enthusiasts or professional audiophiles, the WSH-805 sets a new standard in the realm of high-end, all-analog audio amplification.

Features

Power Amplification Specifications

  • RMS Output Power
    • Class AB, 8 Ω: 80 W
    • Class AB, 4 Ω: 125 W
    • Class A, 8 Ω: 8 W
    • Class A, 4 Ω: 16 W

Inputs

  • RCA Inputs:
    • Aux 1, Aux 2, Tuner, CD, Streamer, Phono + GND (MM / MC), Direct In
  • XLR:
    • Balanced

Outputs

  • Speaker Terminals:
    • A / B / AB
  • Other Outputs:
    • 6.3 mm Headphone Output
    • Pre Out

Audio Quality

  • Total Harmonic Distortion (THD): < 0.0008% (40 W)
  • Frequency Response: 6.3 Hz to 110 kHz (–3 dB)
  • Signal-to-Noise Ratio (SNR): SNR 102 dB
  • Channel Separation: > 100 dB (for 1 kHz)
  • Intermodulation Distortion: 19 + 20 kHz @ 10 W < 0.0015%

Adjustments

  • Bass
  • Treble
  • Contour (smart adaptive contour)
  • Linear (tone control bypass)
  • Balance

Physical Dimensions

  • Dimensions: 440 × 385 × 143 mm (17.3 × 15.2 × 5.6 in)
  • Weight: 22 kg (48.5 lbs)

Package Contents

  • Included: Power cord, remote controller with battery, owner’s manual, warranty card