SLI-80HS

Cary Audio SLI-80HS — classic vacuum tube integrated amplifier. The SLI-80HS is the Heritage Series evolution of Cary Audio's celebrated SLI-80, delivering 80 watts per channel in ultralinear mode or 40 watts per channel in pure Class A triode — switchable from the front panel. Premium Mundorf coupling capacitors, an Alps motorized remote volume control, point-to-point hand wiring, and a built-in headphone amplifier are standard, while compatibility with KT90, KT120, EL34, and 6550 output tubes alongside KT88 allows the listener to tailor the sonic character to their taste. Handcrafted in Cary, North Carolina, the SLI-80HS remains one of the most adaptable and refined tube integrated amplifiers on the market.

Technical background

EL34 push-pull design with switchable Triode (40W) and Ultra-Linear (80W) modes. 2× 6SN7 + 2× 6922 driver tubes. KT88 compatible. 100kΩ input impedance. Proprietary auto-bias circuit for easy tube rolling.

Design story

The SLI-80HS (Heritage Signature) is Cary Audio's most beloved integrated — a refined evolution of the original SLI-80 that launched the brand's consumer fame. Handbuilt in Raleigh, NC.

Best for

Tube amplifier enthusiasts wanting switchable triode/ultralinear EL34 power; vinyl-focused systems; those wanting hand-wired American craftsmanship Tube amplifier enthusiasts; EL34/KT88 fans; audiophiles building a tube-based 2-channel system 2-channel hi-fi; tube listening room; integrated amp for bookshelf/standmount speakers

Awards & press

⭐ Stereophile Recommended Components; Stereophile cover feature – October 2019 "In triode mode, the SLI-80HS ranks near the top of all the many tube integrated amps that have passed through my door." — Ken Micallef, Stereophile, 2019