Pass Lab XA-60.8 Monoblock Amplifiers - 120 Watts - Class A

The Pass Labs XA60.8 is a reference-grade, solid-state Class A monoblock power amplifier widely celebrated by audiophiles for delivering organic, tube-like warmth alongside immense bass grip and authority. These amplifiers are designed for high-end systems where musical intimacy and an expansive soundstage are top priorities. Key Architectural Design Pure Class A Topology: The output transistors remain fully powered through the entire waveform cycle, which minimizes crossover distortion and yields extremely high linearity. Massive Headroom: While rated at a modest 60 watts into 8 ohms, it doubles its power to 120 watts into 4 ohms. It can safely transition into Class AB territory to deliver well over 150 peak watts without clipping. True Monoblock Separation: Running independent chassis for each channel completely isolates the power supplies and circuits, eliminating crosstalk for optimal spatial tracking and deep low-level ambience. Signature Blue Circular Meter: The faceplate features a distinct current-bias indicator. The needle stays centered during Class A operation and shifts rightward only when pushed hard into Class AB. Core Technical Specifications Parameter Specification Output Power 60 Watts @ 8 Ohms | 120 Watts @ 4 Ohms Amplifier Class Pure Class A (leaves Class A at 122 Peak Watts) Gain 26 dB Damping Factor 150 (excellent speaker cone control) Frequency Response 1.5 Hz to 100 kHz Inputs Balanced XLR (100 kΩ) | Single-Ended RCA (50 kΩ) Power Consumption 370–400 Watts idle per chassis Dimensions (W x D x H) 19" x 21.25" x 7.5" (per chassis) Weight 88 lbs / 40 kg (per chassis) Details & Testing Notes Cosmetic Condition: 9/10: Excellent - Looks great and well maintained. Functional Notes: Functions as intended and sounds excellent. 1 XLR jumper for single-ended use is missing Voltage: 120V 60Hz Serial #: 28215 / 28216 Original Box: Yes Manual: No Remote: N/A Power Cord: Yes Additional Items: N/A Shipping Method: Freight Shipping Weight: 220lbs (48x39x22)