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Power Amplifier Pass Labs XA100.8 Silver
Description
The Pass Labs XA100.8 is a high-performance monoblock power amplifier engineered to deliver 100 Watts into 8 Ohms in pure Class A operation. Combining rich tonal fidelity with substantial power reserves, it features a robust output topology, high damping factor of 200, and balanced circuit design for low noise and distortion. With 26 dB of gain and flexible input impedance settings (50 kΩ single-ended RCA, 100 kΩ balanced XLR), it smoothly drives challenging loudspeaker loads while maintaining structural bass articulation, fast transient speed, and expansive soundstaging. Weighing 99 lbs per channel and drawing 500 Watts continuous idle power, the XA100.8 represents an ideal balance of Class A refinement, dynamic headroom, and musical scale.
Specification
| Input impedance | 50 kΩ (Nesymetrický RCA) / 100 kΩ (Symetrický XLR) |
|---|---|
| Frequency range | 1,5 Hz – 100 000 Hz (1,5 Hz – 100 kHz) |
| Gain | 26 dB |
| Damping Factor | 200 |
| Dimensions per Unit (W × D × H) | 48,3 × 54,0 × 22,9 cm |
| Power Consumption @ Idle | 500 W |
| Amplifier Class | Trieda A (Class A) |
| Topology | Monoblok (Mono) |
| Output Power per Channel @ 8 Ω | 100 W |
| Input Sensitivity (Full Power @ 26 dB Gain) | 1,41 V |
| Unit Weight | 44,9 kg |
Pass Labs
Pass Labs is a high-end audio company based in Auburn, California, in the United States, founded by Nelson Pass in 1991. Pass Labs developed prototypes of Class A amplifiers with single-ended circuitry. Among the company’s first products was the ALEF range of amplifiers, featuring unique technology and design. Pass Labs developed Super-Symmetry technology, which it continues to use in its top-of-the-range products to this day. Pass Labs specialises in the conception, engineering and design of high-end amplifiers and preamplifiers.
Manufacturer information (GPSR)