Pass Labs

Aleph 0s

Amplifier, Power

Main Details
Maker Pass Labs Brand Nelson Pass Designer
Function
Channels/Tracks
  • 2 × Channel
Form Factor Standard Width
Signal Path Analog Hardware
Made In United States
Date Produced 1993-1998
Dimensions
(H × W × D)
Weight 63lbs
Frequency Response 0Hz-100kHz -3dB
Additional Specifications
Amplifier Topology Class A
Type Single Ended Three Gain Stage
Output Device Mosfet
Power Output (8/4Ω) 40W/80W
Maximum Output 20A, 30V (Peak)
Gain (Balanced) 20dB
Gain (Unbalanced) 20dB
Gain (Unbalanced, XLR Jumpered) 26dB
Distortion (40W, 8Ω, 20Hz-20kHz) <1%
Input Impedance (Balanced) 26kΩ
Input Impedance (Unbalanced) 10kΩ
Output Impedance (1kHz, 8V, 8Ω) 0.025Ω
Common Mode Rejection (1kHz, 0.1V) 60dB
Output Noise 600μV
Crosstalk (1kHz) -80dB
DC Offset <100mV
Operating Temperature 50°C
Warm Up Time 1 Hour
Power Consumption 250W
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: Rocker Switch

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