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Pass Labs


Amplifier, Power

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Main Details
Maker Pass Labs (Brand)
Nelson Pass (Designer)
Desmond Harrington (Designer)
Joe Sammut (Designer)
Function Amplifier, Power (Monoblock)
Signal Path Analog Hardware
Made In United States
Date Produced 1998-2005
Dimensions 11.5"x19"x28" (HxWxD)
Weight 200lbs
Frequency Response 0Hz-60kHz -3dB
External References Product Page
Notes Capable of being operated in arrays for upwards of 32kW of power into a 1Ω load.

Additional Specifications
Amplifier Topology Class A Class AB above 128W (Peak)
Type SuperSymmetry Low Power: Single Ended, High Power: Push-Pull, Two Gain Stage
Power Output (8/4Ω,1kHz) 1000W/2000W
Maximum Output Current ±30A
Maximum Output Voltage ±145V
Gain 30dB
Input Impedance (Balanced) 22kΩ
Input Impedance (Unbalanced) 11kΩ
Distortion (1000W, 8Ω, 1kHz) 1%
Damping Factor 60
Slew Rate ±40V/μs
Output Noise 500μV
Random Noise Foloor 2μV
Dynamic Range 155dB
Common Mode Rejection (Balanced, 1kHz) 85dB
DC Offset <100mV
Output Device Mosfet (x80)
Power Transformers 4kVA (x2)
Power Supply Capacitance 250,000μF 700 Joules
Power Consumption (Idle/Maximum) 600W/2400W

Bias Current Needle Meter Single-Ended Class A/Push-Pull

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

Power Rocker Switch
Page last updated 4 months ago by jpvanson
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