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SLI-80HS Integrated Amplifier

  • SLI-80HS Integrated Amplifier
  • SLI-80HS Integrated Amplifier
  • SLI-80HS Integrated Amplifier
  • SLI-80HS Integrated Amplifier
  • SLI-80HS Integrated Amplifier
  • SLI-80HS Integrated Amplifier
  • SLI-80HS Integrated Amplifier
  • SLI-80HS Integrated Amplifier
  • SLI-80HS Integrated Amplifier
  • SLI-80HS Integrated Amplifier
  • SLI-80HS Integrated Amplifier

About the SLI-80HS Integrated Amplifier

For over a decade, the SLI-80 has reigned supreme as the ultimate choice for discerning audiophiles seeking a vacuum tube-integrated amplifier blending power and aesthetics. Whether you crave pure Class A performance at 40 watts per channel or robust Class AB output at 80 watts per channel, the SLI-80HS envelops you in a mesmerizing soundscape of rich tones and deep bass. With endless tube rolling possibilities, tailor your listening experience to suit you.

Prepare to be captivated as the SLI-80HS effortlessly exceeds expectations, surpassing the performance of many separates. Its global bestseller status speaks volumes, a testament to its unrivaled quality. Elevate your setup with customizable wood side panels from Klipsch, a collaboration to match their Heritage Series loudspeakers perfectly, for a gorgeous aesthetic pleasing to the eye and the ear.

The Klipsch wood side panels, offered in Black Ash, Cherry, and Walnut, are additional accessories. Also, a removable cage cover is available at an extra cost. Contact your dealer or distributor to include these upgrades with your unit, or you can order them directly from our Cary Store.


The following section describes the SLI-80HS basic specifications. The specifications are subject to change without notice or obligation.

Circuit Type Push-Pull Ultra-Linear Amplification Pure Class AB1
Power Output 40 watts/channel – Triode
80 watts/channel – Ultra-Linear
Tube Complement 2 – 6922 Input Buffer Preamp
2 – 6SN7 Pre-Driver/Phase Inverter
4 – KT88 Output Tubes (or 6550, EL34, 6CA7, KT77, KT90, KT120)
Input Sensitivity .45 volts for full output
Input Impedance 100,000 ohms
Noise and Hum 82dB below rated output
Frequency Response 19Hz to 23KHz +/- .5 dB at full power output
Output Taps 8 Ohms, 4 Ohms
Maximum Gain 34dB
Power Consumption 166 watts – Operation
83 watts – Standby
Inputs 3 Pairs Single-ended RCA
Outputs 1 Pair Speaker Posts (Switch for 4 and 8 Ohm Selectable)
1 Pair RCA for Subwoofer, ¼” Headphone
Output Polarity Non-Inverting (any input)
Warn-Up Time Approximately 3 minutes
Break-In Period 100 hours of music playing time
Finish Black Powder Coated Matte Chassis with Silver or Black Aluminum Faceplate and Knobs
Weight 42 lbs.
Dimensions 7″ H x 17″ W x 16″ D

Resources

Owner's Manual
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AVAILABLE UPGRADES: Mundorf SilverGold Caps, Jensen Caps, Hexfreds, Greyhill Switch, WBT Speaker Binding Posts, Kimber Kable
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Cover of Stereophile Magazine's October 2019 Issue
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SLI-80HS Review by Ken Micallef on Stereophile
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SLI-80HS Review by Henry Clifford on Residential Tech Today
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SLI-80HS Review by Douglas Moore on The Sound Advocate
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SLI-80 Review by Dean Seislove on Positive Feedback Online
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SLI-80 Review by Graham Abbott on Positive Feedback Online
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SLI-80 Review by Gary Lea on The Sensible Sound
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SLI-80 Review by John Stafford on SoundStage!
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SLI-80 Review by Fabio Barbato on ReMusic
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SLI-80 Review by Calin Enache from District Sound Lab
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