Pass Labs

X250

Amplifier, Power

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Main Details
Maker Pass Labs (Brand)
Nelson Pass (Designer)
Desmond Harrington (Designer)
Joe Sammut (Designer)
Function Amplifier, Power
Signal Path Analog Hardware
Made In United States
Date Produced 2001-2004
Dimensions 9.5"x19"x22" (HxWxD)
Weight 100lbs
Frequency Response 0Hz-100kHz -3dB
External References Product Page

Additional Specifications
Amplifier Topology Class A Class AB at higher power
Type SuperSymmetry Two Gain Stage
Power Output (8/4Ω, 1kHz) 250W/500W
Maximum Output Current ±20A
Maximum Output Voltage ±65V
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/1200W

Connections
Input RCA (Phono, Cinch) , Unbalanced, Stereo, Socket (Female)
Input XLR , Balanced, Stereo, Socket (Female)
Output Binding Post
Power Other

Controls
Power Rocker Switch

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