ESC
Aleph 0s

Aleph 0s

BrandPass Labs
DesignerNelson Pass
FunctionAmplifier, Power
Produced1993-1998
CountryUnited States
Form FactorStandard Width
Signal PathAnalog Hardware
Dimensions30.5 × 26.7 × 30.5 cm (W × H × D)
Weight63lbs
Frequency Response0Hz-100kHz -3dB
Amplifier TopologyClass A
TypeSingle Ended (Three Gain Stage)
Output DeviceMosfet
Power Output (8/4Ω)40W/80W
Maximum Output20A, 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 Noise600μV
Crosstalk (1kHz)-80dB
DC Offset<100mV
Operating Temperature50°C
Warm Up Time1 Hour
Power Consumption250W
Channels2 Channel
Connections
  • Input · RCA (Phono, Cinch) · Unbalanced, Stereo, Socket (Female)
  • Input · XLR · Balanced, Stereo, Socket (Female)
  • Output · Binding Post
  • Power · Other
Controls
  • Power · Rocker Switch
LinksProduct Page