Pass Labs

X250.5

Amplifier, Power

Main Details
Maker Pass Labs Brand Nelson Pass Designer Desmond Harrington Designer Joe Sammut Designer
Function
Channels/Tracks
  • 2 × Channel
Form Factor Standard Width
Signal Path Analog Hardware
Made In United States
Date Produced 2004-200?
Dimensions
(H × W × D)
Weight 88lbs
Frequency Response 1.5Hz-100kHz -3dB
Additional Specifications
Amplifier Topology Class AB Class A (Low Power)
Type SuperSymmetry Two Gain Stage
Power Output (8/4Ω, 1kHz) 250W/500W
Maximum Output Current ±20A
Maximum Output Voltage ±55V
Gain 30dB
Input Impedance (Balanced) 22kΩ
Input Impedance (Unbalanced) 11kΩ
Distortion (250W, 8Ω, 1kHz) 1%
Damping Factor 250
Slew Rate ±50V/μs
Output Noise 300μV
Random Noise Foloor 2μV
Dynamic Range 148dB
Common Mode Rejection (Balanced, 1kHz) 85dB
DC Offset <100mV
Power Consumption (Idle/Maximum) 270W/1000W
Connections
Input
Connector: RCA (Phono, Cinch)
Description: Unbalanced, Stereo, Socket (Female)
Input
Connector: XLR
Description: Balanced, Stereo, Socket (Female)
Output
Connector: Binding Post
Power
Connector: Other
Controls
Parameter: Power
Control Type: Toggle Switch

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