ESC
Aleph 4

Aleph 4

BrandPass Labs
DesignerNelson Pass
FunctionAmplifier, Power
Produced1997-1998
CountryUnited States
Form FactorStandard Width
Signal PathAnalog Hardware
Dimensions41.9 × 26.7 × 41.9 cm (W × H × D)
Weight110lbs
Frequency Response2Hz-100kHz -2dB
Amplifier TopologyClass A
TypeSingle Ended (Two Gain Stage)
Output DeviceMosfet
Power Output (8Ω)100W
Gain (Balanced)20dB
Gain (Unbalanced)20dB
Gain (Unbalanced, XLR Jumpered)26dB
Distortion (100W, 8Ω, 1kHz)1%
Input Impedance (Balanced)25kΩ
Input Impedance (Unbalanced)10kΩ
Output Impedance0.1Ω
Damping Factor80
Common Mode Rejection60dB
Output Noise600μV
DC Offset<100mV
Operating Temperature25°C Above Ambient
Warm Up Time1 Hour
Power Consumption500W
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