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Pass Labs XA100.8 Monoblock Amplifier (Pair)

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The middle sibling of the XA.8 series, the XA100.8's realize a muscular yet highly refined sonic profile. Like all Pass Laboratory's power amplifiers, they features both single-ended and balanced inputs, Furutech five-way binding posts and a convenient ground terminal for safe subwoofer connection. Improved constant-current sourcing, precise voltage references and current-feedback all represent new benchmarks in state-of-art amplifier design. The result is a larger, more realistic soundstage, sharper transient response and the prized ability to reach concert-hall dynamics and realism without strain.  


  • Class: A
  • Type: Mono
  • Gain (dB): 26
  • Full Pwr @ 26 dB gain (V): 1.41
  • Low Frequency Response: 1.5 Hz
  • High Frequency Response: 100 KHz
  • Power Output /ch (8 ohm): 100
  • Distortion (1 KHz, full power): 1%
  • Input Impedance (SE & BAL Kohms): 50/100
  • Damping Factor: 200
  • Output Noise (uV): 200
  • Current Draw @ Idle (Amps): 3.5
  • Power Consumption (Watts): 420
  • Temperature (deg C.): 53
  • Number of Chassis: 1
  • Unit Dimensions (W x D x H) (In.): 19 x 21.25 x 9
  • Unit Weight (LBS): 99