ESC
Aleph 1

Aleph 1

BrandPass Labs
DesignerNelson Pass
FunctionAmplifier, Power (Monoblock)
Produced1994-1996
CountryUnited States
Form FactorStandard Width
Signal PathAnalog Hardware
Dimensions41.9 × 26.7 × 41.9 cm (W × H × D)
Weight122lbs
Frequency Response0Hz-100kHz -3dB
Amplifier TopologyClass A
TypeSingle Ended (Three-Stage)
Output DeviceMosfet
Power Output (8/4/2Ω)150W/300W/600W
Maximum Output50A, 50V (Peak)
Gain (Balanced)23.5dB
Gain (Unbalanced)20.9dB
Gain (Unbalanced, XLR Jumpered)28.9dB
Distortion (150W, 8Ω, 20Hz-20kHz)<1%
Input Impedance (Balanced)25kΩ
Input Impedance (Unbalanced)10kΩ
Output Impedance0.001Ω
Damping Factor100
Common Mode Rejection60dB
Output Noise600μV
DC Offset<50mV
Operating Temperature50°C
Warm Up Time1 Hour
Power Consumption500W
Channels1 Channel
Connections
  • Input · RCA (Phono, Cinch) · Unbalanced, Mono, Socket (Female)
  • Input · XLR · Balanced, Mono, Socket (Female)
  • Output · Binding Post
  • Power · Other
Controls
  • Power · Rocker Switch
LinksProduct Page