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 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 |
